GPS Accuracy-breakdown

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1 Devices then Condition

Device Condition Count Trueness
(Average Distance Error) 		Standard Deviation
(From mean) 		Standard Deviation
(From true) 		Pace Error (95%) Distance Error
(from 9:00 min/mile) (from 5:30 min/Km) (20 miles) (30 Km)
Footpod (calibrated) Normal 3143 0.09% (5.0 Ft/Mile, 0.9 m/Km) 2.35% (124.1 Ft/Mile, 23.5 m/Km) 2.35% (124.2 Ft/Mile, 23.5 m/Km) 0:25 0:16 0.02 0.03
Under Bridge 149 1.25% (65.8 Ft/Mile, 12.5 m/Km) 1.85% (97.9 Ft/Mile, 18.5 m/Km) 2.24% (118.1 Ft/Mile, 22.4 m/Km) 0:24 0:15 0.25 0.37
Post Bridge 176 0.32% (16.7 Ft/Mile, 3.2 m/Km) 1.99% (104.8 Ft/Mile, 19.9 m/Km) 2.01% (106.2 Ft/Mile, 20.1 m/Km) 0:22 0:13 0.06 0.09
Turn Around 198 0.43% (22.7 Ft/Mile, 4.3 m/Km) 2.31% (122.2 Ft/Mile, 23.1 m/Km) 2.35% (124.3 Ft/Mile, 23.5 m/Km) 0:25 0:16 0.09 0.13
Straight 671 0.30% (15.9 Ft/Mile, 3.0 m/Km) 2.35% (124.1 Ft/Mile, 23.5 m/Km) 2.37% (125.1 Ft/Mile, 23.7 m/Km) 0:26 0:16 0.06 0.09
Power Line 487 0.16% (8.7 Ft/Mile, 1.6 m/Km) 2.33% (123.3 Ft/Mile, 23.3 m/Km) 2.34% (123.6 Ft/Mile, 23.4 m/Km) 0:25 0:15 0.03 0.05
Mixed 3666 0.14% (7.5 Ft/Mile, 1.4 m/Km) 2.25% (119.0 Ft/Mile, 22.5 m/Km) 2.34% (123.5 Ft/Mile, 23.4 m/Km) 0:25 0:15 0.03 0.04
Polar V800 Normal 1604 0.27% (14.1 Ft/Mile, 2.7 m/Km) 2.12% (111.9 Ft/Mile, 21.2 m/Km) 2.14% (112.7 Ft/Mile, 21.4 m/Km) 0:23 0:14 0.05 0.08
Under Bridge 108 2.93% (154.7 Ft/Mile, 29.3 m/Km) 3.55% (187.7 Ft/Mile, 35.5 m/Km) 4.62% (243.7 Ft/Mile, 46.2 m/Km) 0:50 0:30 0.59 0.88
Post Bridge 108 1.34% (70.7 Ft/Mile, 13.4 m/Km) 2.68% (141.6 Ft/Mile, 26.8 m/Km) 3.00% (158.4 Ft/Mile, 30.0 m/Km) 0:32 0:20 0.27 0.40
Turn Around 122 4.19% (221.1 Ft/Mile, 41.9 m/Km) 3.02% (159.6 Ft/Mile, 30.2 m/Km) 5.18% (273.5 Ft/Mile, 51.8 m/Km) 0:56 0:34 0.84 1.26
Straight 330 0.63% (33.4 Ft/Mile, 6.3 m/Km) 1.50% (79.2 Ft/Mile, 15.0 m/Km) 1.63% (86.0 Ft/Mile, 16.3 m/Km) 0:18 0:11 0.13 0.19
Power Line 222 0.94% (49.7 Ft/Mile, 9.4 m/Km) 1.93% (101.7 Ft/Mile, 19.3 m/Km) 2.15% (113.3 Ft/Mile, 21.5 m/Km) 0:23 0:14 0.19 0.28
Mixed 1942 0.40% (21.2 Ft/Mile, 4.0 m/Km) 1.92% (101.6 Ft/Mile, 19.2 m/Km) 2.70% (142.5 Ft/Mile, 27.0 m/Km) 0:29 0:18 0.08 0.12
iPhone 5s Normal 435 0.42% (22.2 Ft/Mile, 4.2 m/Km) 2.34% (123.5 Ft/Mile, 23.4 m/Km) 2.38% (125.5 Ft/Mile, 23.8 m/Km) 0:26 0:16 0.08 0.13
Under Bridge 25 2.28% (120.4 Ft/Mile, 22.8 m/Km) 3.20% (168.8 Ft/Mile, 32.0 m/Km) 3.95% (208.8 Ft/Mile, 39.5 m/Km) 0:43 0:26 0.46 0.68
Post Bridge 22 2.16% (114.0 Ft/Mile, 21.6 m/Km) 2.06% (108.8 Ft/Mile, 20.6 m/Km) 3.02% (159.5 Ft/Mile, 30.2 m/Km) 0:33 0:20 0.43 0.65
Turn Around 32 3.66% (193.4 Ft/Mile, 36.6 m/Km) 5.24% (276.7 Ft/Mile, 52.4 m/Km) 6.43% (339.4 Ft/Mile, 64.3 m/Km) 1:09 0:42 0.73 1.10
Straight 89 0.49% (25.9 Ft/Mile, 4.9 m/Km) 1.77% (93.7 Ft/Mile, 17.7 m/Km) 1.84% (97.3 Ft/Mile, 18.4 m/Km) 0:20 0:12 0.10 0.15
Power Line 60 0.70% (37.1 Ft/Mile, 7.0 m/Km) 2.10% (111.1 Ft/Mile, 21.0 m/Km) 2.22% (117.2 Ft/Mile, 22.2 m/Km) 0:24 0:15 0.14 0.21
Mixed 514 0.17% (8.9 Ft/Mile, 1.7 m/Km) 2.35% (123.8 Ft/Mile, 23.5 m/Km) 3.00% (158.3 Ft/Mile, 30.0 m/Km) 0:32 0:20 0.03 0.05
Garmin 205 Normal 920 0.46% (24.2 Ft/Mile, 4.6 m/Km) 2.56% (135.4 Ft/Mile, 25.6 m/Km) 2.61% (137.6 Ft/Mile, 26.1 m/Km) 0:28 0:17 0.09 0.14
Under Bridge 65 2.78% (146.8 Ft/Mile, 27.8 m/Km) 7.03% (371.2 Ft/Mile, 70.3 m/Km) 7.57% (399.6 Ft/Mile, 75.7 m/Km) 1:22 0:50 0.56 0.83
Post Bridge 66 1.21% (64.0 Ft/Mile, 12.1 m/Km) 2.37% (125.0 Ft/Mile, 23.7 m/Km) 2.66% (140.7 Ft/Mile, 26.6 m/Km) 0:29 0:18 0.24 0.36
Turn Around 73 2.87% (151.3 Ft/Mile, 28.7 m/Km) 2.34% (123.3 Ft/Mile, 23.4 m/Km) 3.71% (196.0 Ft/Mile, 37.1 m/Km) 0:40 0:25 0.57 0.86
Straight 198 0.35% (18.4 Ft/Mile, 3.5 m/Km) 1.63% (86.2 Ft/Mile, 16.3 m/Km) 1.67% (88.2 Ft/Mile, 16.7 m/Km) 0:18 0:11 0.07 0.10
Power Line 127 0.52% (27.3 Ft/Mile, 5.2 m/Km) 2.30% (121.3 Ft/Mile, 23.0 m/Km) 2.36% (124.4 Ft/Mile, 23.6 m/Km) 0:25 0:16 0.10 0.16
Mixed 1124 0.49% (26.1 Ft/Mile, 4.9 m/Km) 2.91% (153.7 Ft/Mile, 29.1 m/Km) 3.31% (175.0 Ft/Mile, 33.1 m/Km) 0:36 0:22 0.10 0.15
iPhone 4s Normal 781 1.10% (58.2 Ft/Mile, 11.0 m/Km) 2.88% (152.1 Ft/Mile, 28.8 m/Km) 3.08% (162.9 Ft/Mile, 30.8 m/Km) 0:33 0:20 0.22 0.33
Under Bridge 55 2.65% (139.9 Ft/Mile, 26.5 m/Km) 3.38% (178.7 Ft/Mile, 33.8 m/Km) 4.31% (227.8 Ft/Mile, 43.1 m/Km) 0:47 0:28 0.53 0.80
Post Bridge 54 0.21% (11.0 Ft/Mile, 2.1 m/Km) 2.60% (137.1 Ft/Mile, 26.0 m/Km) 2.61% (137.6 Ft/Mile, 26.1 m/Km) 0:28 0:17 0.04 0.06
Turn Around 62 2.27% (119.7 Ft/Mile, 22.7 m/Km) 4.00% (211.0 Ft/Mile, 40.0 m/Km) 4.60% (243.1 Ft/Mile, 46.0 m/Km) 0:50 0:30 0.45 0.68
Straight 166 1.87% (98.8 Ft/Mile, 18.7 m/Km) 2.23% (117.9 Ft/Mile, 22.3 m/Km) 2.92% (154.0 Ft/Mile, 29.2 m/Km) 0:31 0:19 0.37 0.56
Power Line 110 1.35% (71.1 Ft/Mile, 13.5 m/Km) 2.52% (133.0 Ft/Mile, 25.2 m/Km) 2.86% (150.9 Ft/Mile, 28.6 m/Km) 0:31 0:19 0.27 0.40
Mixed 952 0.89% (47.1 Ft/Mile, 8.9 m/Km) 2.81% (148.5 Ft/Mile, 28.1 m/Km) 3.38% (178.3 Ft/Mile, 33.8 m/Km) 0:36 0:22 0.18 0.27
Garmin 310XT with Footpod Normal 3143 0.27% (14.2 Ft/Mile, 2.7 m/Km) 3.12% (164.9 Ft/Mile, 31.2 m/Km) 3.13% (165.5 Ft/Mile, 31.3 m/Km) 0:34 0:21 0.05 0.08
Under Bridge 149 1.84% (97.1 Ft/Mile, 18.4 m/Km) 3.89% (205.3 Ft/Mile, 38.9 m/Km) 4.30% (227.3 Ft/Mile, 43.0 m/Km) 0:46 0:28 0.37 0.55
Post Bridge 176 2.48% (131.0 Ft/Mile, 24.8 m/Km) 3.32% (175.3 Ft/Mile, 33.2 m/Km) 4.15% (219.1 Ft/Mile, 41.5 m/Km) 0:45 0:27 0.50 0.74
Turn Around 198 3.64% (192.3 Ft/Mile, 36.4 m/Km) 3.54% (186.8 Ft/Mile, 35.4 m/Km) 5.08% (268.5 Ft/Mile, 50.8 m/Km) 0:55 0:34 0.73 1.09
Straight 671 0.97% (51.1 Ft/Mile, 9.7 m/Km) 2.29% (121.1 Ft/Mile, 22.9 m/Km) 2.49% (131.5 Ft/Mile, 24.9 m/Km) 0:27 0:16 0.19 0.29
Power Line 487 0.61% (32.3 Ft/Mile, 6.1 m/Km) 3.06% (161.5 Ft/Mile, 30.6 m/Km) 3.12% (164.7 Ft/Mile, 31.2 m/Km) 0:34 0:21 0.12 0.18
Mixed 3666 0.76% (40.0 Ft/Mile, 7.6 m/Km) 2.99% (157.6 Ft/Mile, 29.9 m/Km) 3.52% (186.0 Ft/Mile, 35.2 m/Km) 0:38 0:23 0.15 0.23
Garmin 910XT with Footpod Normal 600 0.95% (50.0 Ft/Mile, 9.5 m/Km) 2.76% (145.5 Ft/Mile, 27.6 m/Km) 2.91% (153.9 Ft/Mile, 29.1 m/Km) 0:31 0:19 0.19 0.28
Under Bridge 42 0.16% (8.4 Ft/Mile, 1.6 m/Km) 3.16% (166.8 Ft/Mile, 31.6 m/Km) 3.16% (167.1 Ft/Mile, 31.6 m/Km) 0:34 0:21 0.03 0.05
Post Bridge 40 3.81% (201.2 Ft/Mile, 38.1 m/Km) 2.01% (105.9 Ft/Mile, 20.1 m/Km) 4.35% (229.7 Ft/Mile, 43.5 m/Km) 0:47 0:29 0.76 1.14
Turn Around 43 4.73% (249.8 Ft/Mile, 47.3 m/Km) 2.55% (134.4 Ft/Mile, 25.5 m/Km) 5.42% (286.2 Ft/Mile, 54.2 m/Km) 0:59 0:36 0.95 1.42
Straight 122 0.25% (13.0 Ft/Mile, 2.5 m/Km) 1.74% (91.8 Ft/Mile, 17.4 m/Km) 1.76% (92.8 Ft/Mile, 17.6 m/Km) 0:19 0:12 0.05 0.07
Power Line 90 1.58% (83.5 Ft/Mile, 15.8 m/Km) 2.17% (114.4 Ft/Mile, 21.7 m/Km) 2.69% (141.9 Ft/Mile, 26.9 m/Km) 0:29 0:18 0.32 0.47
Mixed 725 1.38% (72.9 Ft/Mile, 13.8 m/Km) 2.41% (127.3 Ft/Mile, 24.1 m/Km) 3.39% (179.2 Ft/Mile, 33.9 m/Km) 0:37 0:22 0.28 0.41
Garmin 610 Normal 1727 1.42% (75.0 Ft/Mile, 14.2 m/Km) 3.02% (159.5 Ft/Mile, 30.2 m/Km) 3.34% (176.2 Ft/Mile, 33.4 m/Km) 0:36 0:22 0.28 0.43
Under Bridge 112 0.90% (47.4 Ft/Mile, 9.0 m/Km) 2.80% (147.6 Ft/Mile, 28.0 m/Km) 2.94% (155.1 Ft/Mile, 29.4 m/Km) 0:32 0:19 0.18 0.27
Post Bridge 112 3.75% (197.8 Ft/Mile, 37.5 m/Km) 2.53% (133.5 Ft/Mile, 25.3 m/Km) 4.53% (239.4 Ft/Mile, 45.3 m/Km) 0:49 0:30 0.75 1.12
Turn Around 134 5.32% (281.1 Ft/Mile, 53.2 m/Km) 2.49% (131.6 Ft/Mile, 24.9 m/Km) 5.90% (311.3 Ft/Mile, 59.0 m/Km) 1:04 0:39 1.06 1.60
Straight 375 0.56% (29.5 Ft/Mile, 5.6 m/Km) 2.03% (106.9 Ft/Mile, 20.3 m/Km) 2.10% (110.9 Ft/Mile, 21.0 m/Km) 0:23 0:14 0.11 0.17
Power Line 231 1.74% (92.0 Ft/Mile, 17.4 m/Km) 2.14% (112.8 Ft/Mile, 21.4 m/Km) 2.76% (145.7 Ft/Mile, 27.6 m/Km) 0:30 0:18 0.35 0.52
Mixed 2085 1.83% (96.7 Ft/Mile, 18.3 m/Km) 2.27% (119.9 Ft/Mile, 22.7 m/Km) 3.63% (191.7 Ft/Mile, 36.3 m/Km) 0:39 0:24 0.37 0.55
Garmin 310XT no Footpod Normal 1605 0.70% (36.9 Ft/Mile, 7.0 m/Km) 3.67% (194.0 Ft/Mile, 36.7 m/Km) 3.74% (197.4 Ft/Mile, 37.4 m/Km) 0:40 0:25 0.14 0.21
Under Bridge 108 0.88% (46.4 Ft/Mile, 8.8 m/Km) 4.21% (222.3 Ft/Mile, 42.1 m/Km) 4.30% (227.1 Ft/Mile, 43.0 m/Km) 0:46 0:28 0.18 0.26
Post Bridge 106 3.19% (168.6 Ft/Mile, 31.9 m/Km) 3.30% (174.3 Ft/Mile, 33.0 m/Km) 4.60% (243.1 Ft/Mile, 46.0 m/Km) 0:50 0:30 0.64 0.96
Turn Around 123 3.60% (190.3 Ft/Mile, 36.0 m/Km) 4.80% (253.4 Ft/Mile, 48.0 m/Km) 6.01% (317.4 Ft/Mile, 60.1 m/Km) 1:05 0:40 0.72 1.08
Straight 326 0.42% (22.2 Ft/Mile, 4.2 m/Km) 2.82% (149.1 Ft/Mile, 28.2 m/Km) 2.85% (150.7 Ft/Mile, 28.5 m/Km) 0:31 0:19 0.08 0.13
Power Line 229 1.23% (64.8 Ft/Mile, 12.3 m/Km) 3.20% (169.1 Ft/Mile, 32.0 m/Km) 3.43% (181.2 Ft/Mile, 34.3 m/Km) 0:37 0:23 0.25 0.37
Mixed 1942 0.97% (51.0 Ft/Mile, 9.7 m/Km) 3.61% (190.7 Ft/Mile, 36.1 m/Km) 4.06% (214.6 Ft/Mile, 40.6 m/Km) 0:44 0:27 0.19 0.29
Garmin 620 (3.30) Normal 950 1.47% (77.5 Ft/Mile, 14.7 m/Km) 3.09% (163.0 Ft/Mile, 30.9 m/Km) 3.42% (180.5 Ft/Mile, 34.2 m/Km) 0:37 0:23 0.29 0.44
Under Bridge 52 0.87% (45.7 Ft/Mile, 8.7 m/Km) 3.66% (193.2 Ft/Mile, 36.6 m/Km) 3.76% (198.6 Ft/Mile, 37.6 m/Km) 0:41 0:25 0.17 0.26
Post Bridge 52 3.85% (203.5 Ft/Mile, 38.5 m/Km) 3.06% (161.5 Ft/Mile, 30.6 m/Km) 4.95% (261.4 Ft/Mile, 49.5 m/Km) 0:53 0:33 0.77 1.16
Turn Around 76 4.60% (242.8 Ft/Mile, 46.0 m/Km) 3.59% (189.5 Ft/Mile, 35.9 m/Km) 5.86% (309.3 Ft/Mile, 58.6 m/Km) 1:03 0:39 0.92 1.38
Straight 231 0.17% (9.2 Ft/Mile, 1.7 m/Km) 2.30% (121.5 Ft/Mile, 23.0 m/Km) 2.31% (121.8 Ft/Mile, 23.1 m/Km) 0:25 0:15 0.03 0.05
Power Line 104 1.70% (89.7 Ft/Mile, 17.0 m/Km) 2.50% (132.1 Ft/Mile, 25.0 m/Km) 3.03% (159.9 Ft/Mile, 30.3 m/Km) 0:33 0:20 0.34 0.51
Mixed 1130 1.92% (101.6 Ft/Mile, 19.2 m/Km) 2.82% (148.7 Ft/Mile, 28.2 m/Km) 3.90% (206.0 Ft/Mile, 39.0 m/Km) 0:42 0:26 0.38 0.58
Suunto Ambit2 R 2.0.7 Normal 856 0.98% (51.7 Ft/Mile, 9.8 m/Km) 3.32% (175.2 Ft/Mile, 33.2 m/Km) 3.46% (182.7 Ft/Mile, 34.6 m/Km) 0:37 0:23 0.20 0.29
Under Bridge 50 4.65% (245.7 Ft/Mile, 46.5 m/Km) 5.64% (297.6 Ft/Mile, 56.4 m/Km) 7.34% (387.5 Ft/Mile, 73.4 m/Km) 1:19 0:48 0.93 1.40
Post Bridge 49 2.14% (113.1 Ft/Mile, 21.4 m/Km) 2.70% (142.3 Ft/Mile, 27.0 m/Km) 3.46% (182.5 Ft/Mile, 34.6 m/Km) 0:37 0:23 0.43 0.64
Turn Around 68 6.50% (343.1 Ft/Mile, 65.0 m/Km) 4.24% (223.7 Ft/Mile, 42.4 m/Km) 7.80% (411.7 Ft/Mile, 78.0 m/Km) 1:24 0:51 1.30 1.95
Straight 200 0.71% (37.7 Ft/Mile, 7.1 m/Km) 2.49% (131.7 Ft/Mile, 24.9 m/Km) 2.59% (137.0 Ft/Mile, 25.9 m/Km) 0:28 0:17 0.14 0.21
Power Line 98 2.89% (152.6 Ft/Mile, 28.9 m/Km) 2.60% (137.5 Ft/Mile, 26.0 m/Km) 3.90% (206.0 Ft/Mile, 39.0 m/Km) 0:42 0:26 0.58 0.87
Mixed 1023 1.16% (61.3 Ft/Mile, 11.6 m/Km) 2.79% (147.3 Ft/Mile, 27.9 m/Km) 4.29% (226.7 Ft/Mile, 42.9 m/Km) 0:46 0:28 0.23 0.35
Samsung Galaxy S3 Normal 701 0.85% (45.0 Ft/Mile, 8.5 m/Km) 3.69% (194.8 Ft/Mile, 36.9 m/Km) 3.79% (199.9 Ft/Mile, 37.9 m/Km) 0:41 0:25 0.17 0.26
Under Bridge 38 1.31% (69.0 Ft/Mile, 13.1 m/Km) 3.14% (165.6 Ft/Mile, 31.4 m/Km) 3.41% (179.8 Ft/Mile, 34.1 m/Km) 0:37 0:22 0.26 0.39
Post Bridge 36 3.87% (204.6 Ft/Mile, 38.7 m/Km) 3.26% (172.2 Ft/Mile, 32.6 m/Km) 5.11% (269.6 Ft/Mile, 51.1 m/Km) 0:55 0:34 0.77 1.16
Turn Around 57 6.66% (351.6 Ft/Mile, 66.6 m/Km) 3.73% (197.1 Ft/Mile, 37.3 m/Km) 7.69% (405.9 Ft/Mile, 76.9 m/Km) 1:23 0:51 1.33 2.00
Straight 179 0.63% (33.1 Ft/Mile, 6.3 m/Km) 2.56% (135.3 Ft/Mile, 25.6 m/Km) 2.64% (139.3 Ft/Mile, 26.4 m/Km) 0:28 0:17 0.13 0.19
Power Line 70 2.13% (112.5 Ft/Mile, 21.3 m/Km) 3.49% (184.1 Ft/Mile, 34.9 m/Km) 4.09% (216.2 Ft/Mile, 40.9 m/Km) 0:44 0:27 0.43 0.64
Mixed 832 1.51% (79.7 Ft/Mile, 15.1 m/Km) 3.00% (158.7 Ft/Mile, 30.0 m/Km) 4.37% (231.0 Ft/Mile, 43.7 m/Km) 0:47 0:29 0.30 0.45
Garmin 920XT Normal 632 2.07% (109.5 Ft/Mile, 20.7 m/Km) 2.77% (146.4 Ft/Mile, 27.7 m/Km) 3.46% (182.9 Ft/Mile, 34.6 m/Km) 0:37 0:23 0.41 0.62
Under Bridge 37 1.14% (60.1 Ft/Mile, 11.4 m/Km) 2.43% (128.2 Ft/Mile, 24.3 m/Km) 2.69% (142.0 Ft/Mile, 26.9 m/Km) 0:29 0:18 0.23 0.34
Post Bridge 37 5.07% (267.7 Ft/Mile, 50.7 m/Km) 2.94% (155.0 Ft/Mile, 29.4 m/Km) 5.92% (312.6 Ft/Mile, 59.2 m/Km) 1:04 0:39 1.01 1.52
Turn Around 49 6.83% (360.9 Ft/Mile, 68.3 m/Km) 3.39% (178.8 Ft/Mile, 33.9 m/Km) 7.69% (406.1 Ft/Mile, 76.9 m/Km) 1:23 0:51 1.37 2.05
Straight 142 0.48% (25.6 Ft/Mile, 4.8 m/Km) 2.20% (116.3 Ft/Mile, 22.0 m/Km) 2.26% (119.1 Ft/Mile, 22.6 m/Km) 0:24 0:15 0.10 0.15
Power Line 76 2.69% (142.2 Ft/Mile, 26.9 m/Km) 2.44% (128.7 Ft/Mile, 24.4 m/Km) 3.64% (192.5 Ft/Mile, 36.4 m/Km) 0:39 0:24 0.54 0.81
Mixed 755 2.58% (136.2 Ft/Mile, 25.8 m/Km) 2.41% (127.1 Ft/Mile, 24.1 m/Km) 4.13% (218.1 Ft/Mile, 41.3 m/Km) 0:45 0:27 0.52 0.77
Footpod (uncalibrated) Normal 3143 2.45% (129.5 Ft/Mile, 24.5 m/Km) 3.80% (200.8 Ft/Mile, 38.0 m/Km) 4.53% (239.0 Ft/Mile, 45.3 m/Km) 0:49 0:30 0.49 0.74
Under Bridge 149 2.44% (128.8 Ft/Mile, 24.4 m/Km) 3.35% (176.7 Ft/Mile, 33.5 m/Km) 4.15% (218.9 Ft/Mile, 41.5 m/Km) 0:45 0:27 0.49 0.73
Post Bridge 176 2.17% (114.7 Ft/Mile, 21.7 m/Km) 3.53% (186.1 Ft/Mile, 35.3 m/Km) 4.14% (218.8 Ft/Mile, 41.4 m/Km) 0:45 0:27 0.43 0.65
Turn Around 198 1.81% (95.7 Ft/Mile, 18.1 m/Km) 3.67% (193.6 Ft/Mile, 36.7 m/Km) 4.09% (216.1 Ft/Mile, 40.9 m/Km) 0:44 0:27 0.36 0.54
Straight 671 2.64% (139.3 Ft/Mile, 26.4 m/Km) 3.69% (194.9 Ft/Mile, 36.9 m/Km) 4.54% (239.6 Ft/Mile, 45.4 m/Km) 0:49 0:30 0.53 0.79
Power Line 487 2.57% (135.7 Ft/Mile, 25.7 m/Km) 3.91% (206.4 Ft/Mile, 39.1 m/Km) 4.68% (247.1 Ft/Mile, 46.8 m/Km) 0:51 0:31 0.51 0.77
Mixed 3666 2.36% (124.5 Ft/Mile, 23.6 m/Km) 3.70% (195.4 Ft/Mile, 37.0 m/Km) 4.44% (234.5 Ft/Mile, 44.4 m/Km) 0:48 0:29 0.47 0.71
Polar RC3 GPS Normal 920 0.91% (47.9 Ft/Mile, 9.1 m/Km) 3.85% (203.3 Ft/Mile, 38.5 m/Km) 3.96% (208.8 Ft/Mile, 39.6 m/Km) 0:43 0:26 0.18 0.27
Under Bridge 67 4.68% (247.2 Ft/Mile, 46.8 m/Km) 6.75% (356.4 Ft/Mile, 67.5 m/Km) 8.23% (434.8 Ft/Mile, 82.3 m/Km) 1:29 0:54 0.94 1.40
Post Bridge 66 6.97% (367.8 Ft/Mile, 69.7 m/Km) 5.22% (275.4 Ft/Mile, 52.2 m/Km) 8.74% (461.7 Ft/Mile, 87.4 m/Km) 1:34 0:58 1.39 2.09
Turn Around 73 5.37% (283.6 Ft/Mile, 53.7 m/Km) 4.85% (256.2 Ft/Mile, 48.5 m/Km) 7.27% (383.7 Ft/Mile, 72.7 m/Km) 1:18 0:48 1.07 1.61
Straight 190 0.18% (9.3 Ft/Mile, 1.8 m/Km) 2.94% (155.3 Ft/Mile, 29.4 m/Km) 2.95% (155.6 Ft/Mile, 29.5 m/Km) 0:32 0:19 0.04 0.05
Power Line 136 1.35% (71.5 Ft/Mile, 13.5 m/Km) 3.80% (200.9 Ft/Mile, 38.0 m/Km) 4.04% (213.3 Ft/Mile, 40.4 m/Km) 0:44 0:27 0.27 0.41
Mixed 1126 1.85% (97.8 Ft/Mile, 18.5 m/Km) 3.81% (201.3 Ft/Mile, 38.1 m/Km) 5.09% (268.8 Ft/Mile, 50.9 m/Km) 0:55 0:34 0.37 0.56
TomTom Cardio Runner (1.8.5) Normal 787 2.94% (155.3 Ft/Mile, 29.4 m/Km) 2.86% (150.8 Ft/Mile, 28.6 m/Km) 4.10% (216.6 Ft/Mile, 41.0 m/Km) 0:44 0:27 0.59 0.88
Under Bridge 61 4.81% (253.9 Ft/Mile, 48.1 m/Km) 5.33% (281.3 Ft/Mile, 53.3 m/Km) 7.20% (380.4 Ft/Mile, 72.0 m/Km) 1:18 0:48 0.96 1.44
Post Bridge 58 4.19% (221.4 Ft/Mile, 41.9 m/Km) 2.74% (144.9 Ft/Mile, 27.4 m/Km) 5.04% (266.2 Ft/Mile, 50.4 m/Km) 0:54 0:33 0.84 1.26
Turn Around 54 7.11% (375.3 Ft/Mile, 71.1 m/Km) 3.00% (158.4 Ft/Mile, 30.0 m/Km) 7.78% (410.6 Ft/Mile, 77.8 m/Km) 1:24 0:51 1.42 2.13
Straight 144 1.21% (63.7 Ft/Mile, 12.1 m/Km) 2.07% (109.4 Ft/Mile, 20.7 m/Km) 2.40% (126.7 Ft/Mile, 24.0 m/Km) 0:26 0:16 0.24 0.36
Power Line 123 3.62% (191.3 Ft/Mile, 36.2 m/Km) 1.72% (91.0 Ft/Mile, 17.2 m/Km) 4.03% (212.5 Ft/Mile, 40.3 m/Km) 0:43 0:27 0.72 1.09
Mixed 960 3.37% (177.8 Ft/Mile, 33.7 m/Km) 2.53% (133.7 Ft/Mile, 25.3 m/Km) 4.75% (250.8 Ft/Mile, 47.5 m/Km) 0:51 0:31 0.67 1.01
Garmin Fenix 2 (3.30) Normal 929 2.31% (121.8 Ft/Mile, 23.1 m/Km) 3.65% (192.7 Ft/Mile, 36.5 m/Km) 4.32% (228.0 Ft/Mile, 43.2 m/Km) 0:47 0:28 0.46 0.69
Under Bridge 54 5.25% (277.3 Ft/Mile, 52.5 m/Km) 4.43% (233.9 Ft/Mile, 44.3 m/Km) 6.91% (364.8 Ft/Mile, 69.1 m/Km) 1:15 0:46 1.05 1.58
Post Bridge 54 7.82% (412.8 Ft/Mile, 78.2 m/Km) 4.30% (226.8 Ft/Mile, 43.0 m/Km) 8.98% (474.4 Ft/Mile, 89.8 m/Km) 1:37 0:59 1.56 2.35
Turn Around 74 9.38% (495.2 Ft/Mile, 93.8 m/Km) 3.55% (187.5 Ft/Mile, 35.5 m/Km) 10.09% (532.7 Ft/Mile, 100.9 m/Km) 1:49 1:07 1.88 2.81
Straight 222 0.26% (13.6 Ft/Mile, 2.6 m/Km) 2.41% (127.2 Ft/Mile, 24.1 m/Km) 2.42% (127.9 Ft/Mile, 24.2 m/Km) 0:26 0:16 0.05 0.08
Power Line 107 1.97% (104.1 Ft/Mile, 19.7 m/Km) 3.85% (203.2 Ft/Mile, 38.5 m/Km) 4.33% (228.5 Ft/Mile, 43.3 m/Km) 0:47 0:29 0.39 0.59
Mixed 1111 2.86% (150.9 Ft/Mile, 28.6 m/Km) 2.86% (151.2 Ft/Mile, 28.6 m/Km) 5.64% (297.8 Ft/Mile, 56.4 m/Km) 1:01 0:37 0.57 0.86
Garmin 920XT (GLONASS) Normal 594 2.92% (154.4 Ft/Mile, 29.2 m/Km) 3.44% (181.7 Ft/Mile, 34.4 m/Km) 4.52% (238.5 Ft/Mile, 45.2 m/Km) 0:49 0:30 0.58 0.88
Under Bridge 36 1.04% (55.1 Ft/Mile, 10.4 m/Km) 2.47% (130.6 Ft/Mile, 24.7 m/Km) 2.69% (142.1 Ft/Mile, 26.9 m/Km) 0:29 0:18 0.21 0.31
Post Bridge 36 7.15% (377.4 Ft/Mile, 71.5 m/Km) 3.29% (173.5 Ft/Mile, 32.9 m/Km) 7.96% (420.3 Ft/Mile, 79.6 m/Km) 1:26 0:53 1.43 2.14
Turn Around 46 8.02% (423.7 Ft/Mile, 80.2 m/Km) 3.96% (209.1 Ft/Mile, 39.6 m/Km) 9.03% (476.7 Ft/Mile, 90.3 m/Km) 1:38 0:60 1.60 2.41
Straight 137 0.76% (40.0 Ft/Mile, 7.6 m/Km) 2.52% (133.2 Ft/Mile, 25.2 m/Km) 2.63% (139.1 Ft/Mile, 26.3 m/Km) 0:28 0:17 0.15 0.23
Power Line 71 2.85% (150.3 Ft/Mile, 28.5 m/Km) 3.39% (178.8 Ft/Mile, 33.9 m/Km) 4.44% (234.3 Ft/Mile, 44.4 m/Km) 0:48 0:29 0.57 0.85
Mixed 712 3.51% (185.1 Ft/Mile, 35.1 m/Km) 2.77% (146.0 Ft/Mile, 27.7 m/Km) 5.32% (280.7 Ft/Mile, 53.2 m/Km) 0:57 0:35 0.70 1.05
Garmin Epix Normal 484 2.68% (141.5 Ft/Mile, 26.8 m/Km) 3.90% (206.0 Ft/Mile, 39.0 m/Km) 4.73% (250.0 Ft/Mile, 47.3 m/Km) 0:51 0:31 0.54 0.80
Under Bridge 35 2.13% (112.5 Ft/Mile, 21.3 m/Km) 5.81% (306.8 Ft/Mile, 58.1 m/Km) 6.20% (327.4 Ft/Mile, 62.0 m/Km) 1:07 0:41 0.43 0.64
Post Bridge 35 7.11% (375.3 Ft/Mile, 71.1 m/Km) 3.95% (208.3 Ft/Mile, 39.5 m/Km) 8.22% (434.1 Ft/Mile, 82.2 m/Km) 1:29 0:54 1.42 2.13
Turn Around 38 9.16% (483.8 Ft/Mile, 91.6 m/Km) 4.19% (221.4 Ft/Mile, 41.9 m/Km) 10.19% (538.0 Ft/Mile, 101.9 m/Km) 1:50 1:07 1.83 2.75
Straight 98 1.22% (64.3 Ft/Mile, 12.2 m/Km) 2.27% (119.7 Ft/Mile, 22.7 m/Km) 2.58% (136.1 Ft/Mile, 25.8 m/Km) 0:28 0:17 0.24 0.37
Power Line 70 2.50% (131.9 Ft/Mile, 25.0 m/Km) 3.05% (161.2 Ft/Mile, 30.5 m/Km) 3.96% (208.9 Ft/Mile, 39.6 m/Km) 0:43 0:26 0.50 0.75
Mixed 592 3.36% (177.6 Ft/Mile, 33.6 m/Km) 3.22% (170.1 Ft/Mile, 32.2 m/Km) 5.74% (303.2 Ft/Mile, 57.4 m/Km) 1:02 0:38 0.67 1.01
Garmin 620 (pre-v3.30) Normal 2737 2.84% (150.1 Ft/Mile, 28.4 m/Km) 4.71% (248.8 Ft/Mile, 47.1 m/Km) 5.50% (290.6 Ft/Mile, 55.0 m/Km) 0:59 0:36 0.57 0.85
Under Bridge 160 0.98% (51.7 Ft/Mile, 9.8 m/Km) 4.80% (253.6 Ft/Mile, 48.0 m/Km) 4.90% (258.9 Ft/Mile, 49.0 m/Km) 0:53 0:32 0.20 0.29
Post Bridge 159 6.21% (327.7 Ft/Mile, 62.1 m/Km) 6.14% (324.1 Ft/Mile, 61.4 m/Km) 8.74% (461.7 Ft/Mile, 87.4 m/Km) 1:34 0:58 1.24 1.86
Turn Around 205 8.73% (460.7 Ft/Mile, 87.3 m/Km) 6.27% (331.3 Ft/Mile, 62.7 m/Km) 10.76% (568.4 Ft/Mile, 107.6 m/Km) 1:56 1:11 1.75 2.62
Straight 585 0.44% (23.0 Ft/Mile, 4.4 m/Km) 3.20% (168.9 Ft/Mile, 32.0 m/Km) 3.23% (170.5 Ft/Mile, 32.3 m/Km) 0:35 0:21 0.09 0.13
Power Line 378 2.79% (147.2 Ft/Mile, 27.9 m/Km) 4.30% (227.3 Ft/Mile, 43.0 m/Km) 5.13% (270.9 Ft/Mile, 51.3 m/Km) 0:55 0:34 0.56 0.84
Mixed 3261 3.33% (175.9 Ft/Mile, 33.3 m/Km) 4.54% (239.9 Ft/Mile, 45.4 m/Km) 6.20% (327.6 Ft/Mile, 62.0 m/Km) 1:07 0:41 0.67 1.00
Garmin 10 Normal 854 3.41% (179.8 Ft/Mile, 34.1 m/Km) 3.77% (199.2 Ft/Mile, 37.7 m/Km) 5.08% (268.4 Ft/Mile, 50.8 m/Km) 0:55 0:34 0.68 1.02
Under Bridge 61 0.48% (25.3 Ft/Mile, 4.8 m/Km) 2.52% (133.2 Ft/Mile, 25.2 m/Km) 2.57% (135.7 Ft/Mile, 25.7 m/Km) 0:28 0:17 0.10 0.14
Post Bridge 62 9.11% (481.0 Ft/Mile, 91.1 m/Km) 4.01% (211.6 Ft/Mile, 40.1 m/Km) 10.02% (529.1 Ft/Mile, 100.2 m/Km) 1:48 1:06 1.82 2.73
Turn Around 63 9.21% (486.4 Ft/Mile, 92.1 m/Km) 3.96% (208.9 Ft/Mile, 39.6 m/Km) 10.09% (533.0 Ft/Mile, 100.9 m/Km) 1:49 1:07 1.84 2.76
Straight 170 0.95% (50.4 Ft/Mile, 9.5 m/Km) 2.54% (134.0 Ft/Mile, 25.4 m/Km) 2.71% (143.2 Ft/Mile, 27.1 m/Km) 0:29 0:18 0.19 0.29
Power Line 129 3.25% (171.7 Ft/Mile, 32.5 m/Km) 3.47% (183.3 Ft/Mile, 34.7 m/Km) 4.77% (251.7 Ft/Mile, 47.7 m/Km) 0:51 0:31 0.65 0.98
Mixed 1040 3.89% (205.4 Ft/Mile, 38.9 m/Km) 3.08% (162.4 Ft/Mile, 30.8 m/Km) 5.92% (312.3 Ft/Mile, 59.2 m/Km) 1:04 0:39 0.78 1.17
Garmin Fenix 2 (pre-v3.30) Normal 3600 2.31% (122.1 Ft/Mile, 23.1 m/Km) 5.50% (290.6 Ft/Mile, 55.0 m/Km) 5.97% (315.2 Ft/Mile, 59.7 m/Km) 1:04 0:39 0.46 0.69
Under Bridge 227 3.84% (203.0 Ft/Mile, 38.4 m/Km) 5.11% (269.8 Ft/Mile, 51.1 m/Km) 6.40% (337.9 Ft/Mile, 64.0 m/Km) 1:09 0:42 0.77 1.15
Post Bridge 222 7.97% (420.7 Ft/Mile, 79.7 m/Km) 5.53% (291.8 Ft/Mile, 55.3 m/Km) 9.71% (512.8 Ft/Mile, 97.1 m/Km) 1:45 1:04 1.59 2.39
Turn Around 270 10.18% (537.4 Ft/Mile, 101.8 m/Km) 5.66% (298.7 Ft/Mile, 56.6 m/Km) 11.66% (615.7 Ft/Mile, 116.6 m/Km) 2:06 1:17 2.04 3.05
Straight 747 0.66% (35.0 Ft/Mile, 6.6 m/Km) 4.43% (234.1 Ft/Mile, 44.3 m/Km) 4.48% (236.7 Ft/Mile, 44.8 m/Km) 0:48 0:30 0.13 0.20
Power Line 493 1.47% (77.9 Ft/Mile, 14.7 m/Km) 5.57% (294.1 Ft/Mile, 55.7 m/Km) 5.76% (304.2 Ft/Mile, 57.6 m/Km) 1:02 0:38 0.29 0.44
Mixed 4319 2.81% (148.3 Ft/Mile, 28.1 m/Km) 4.64% (244.9 Ft/Mile, 46.4 m/Km) 6.80% (359.0 Ft/Mile, 68.0 m/Km) 1:13 0:45 0.56 0.84
Garmin Epix with GLONAS+WAAS (provisional) Normal 76 2.91% (153.7 Ft/Mile, 29.1 m/Km) 3.70% (195.3 Ft/Mile, 37.0 m/Km) 4.72% (249.2 Ft/Mile, 47.2 m/Km) 0:51 0:31 0.58 0.87
Under Bridge 6 0.97% (51.2 Ft/Mile, 9.7 m/Km) 9.90% (522.9 Ft/Mile, 99.0 m/Km) 9.96% (525.9 Ft/Mile, 99.6 m/Km) 1:48 1:06 0.19 0.29
Post Bridge 6 7.19% (379.7 Ft/Mile, 71.9 m/Km) 4.04% (213.1 Ft/Mile, 40.4 m/Km) 8.85% (467.4 Ft/Mile, 88.5 m/Km) 1:36 0:58 1.44 2.16
Turn Around 6 10.67% (563.4 Ft/Mile, 106.7 m/Km) 2.07% (109.2 Ft/Mile, 20.7 m/Km) 11.87% (626.7 Ft/Mile, 118.7 m/Km) 2:08 1:18 2.13 3.20
Straight 14 0.17% (9.0 Ft/Mile, 1.7 m/Km) 1.55% (81.9 Ft/Mile, 15.5 m/Km) 1.56% (82.4 Ft/Mile, 15.6 m/Km) 0:17 0:10 0.03 0.05
Power Line 12 2.00% (105.4 Ft/Mile, 20.0 m/Km) 3.70% (195.2 Ft/Mile, 37.0 m/Km) 4.24% (224.1 Ft/Mile, 42.4 m/Km) 0:46 0:28 0.40 0.60
Mixed 94 3.41% (179.9 Ft/Mile, 34.1 m/Km) 3.39% (179.0 Ft/Mile, 33.9 m/Km) 7.19% (379.8 Ft/Mile, 71.9 m/Km) 1:18 0:47 0.68 1.02
Polar M400 Normal 1120 4.08% (215.4 Ft/Mile, 40.8 m/Km) 4.27% (225.5 Ft/Mile, 42.7 m/Km) 5.91% (311.9 Ft/Mile, 59.1 m/Km) 1:04 0:39 0.82 1.22
Under Bridge 78 0.22% (11.5 Ft/Mile, 2.2 m/Km) 2.91% (153.4 Ft/Mile, 29.1 m/Km) 2.91% (153.8 Ft/Mile, 29.1 m/Km) 0:31 0:19 0.04 0.07
Post Bridge 77 9.33% (492.7 Ft/Mile, 93.3 m/Km) 5.53% (291.7 Ft/Mile, 55.3 m/Km) 10.90% (575.3 Ft/Mile, 109.0 m/Km) 1:58 1:12 1.87 2.80
Turn Around 82 13.29% (701.6 Ft/Mile, 132.9 m/Km) 4.82% (254.6 Ft/Mile, 48.2 m/Km) 14.21% (750.4 Ft/Mile, 142.1 m/Km) 2:33 1:34 2.66 3.99
Straight 231 1.09% (57.6 Ft/Mile, 10.9 m/Km) 3.01% (159.0 Ft/Mile, 30.1 m/Km) 3.20% (169.2 Ft/Mile, 32.0 m/Km) 0:35 0:21 0.22 0.33
Power Line 150 4.20% (221.9 Ft/Mile, 42.0 m/Km) 3.78% (199.5 Ft/Mile, 37.8 m/Km) 5.66% (298.9 Ft/Mile, 56.6 m/Km) 1:01 0:37 0.84 1.26
Mixed 1357 4.80% (253.2 Ft/Mile, 48.0 m/Km) 3.30% (174.0 Ft/Mile, 33.0 m/Km) 7.08% (373.8 Ft/Mile, 70.8 m/Km) 1:16 0:47 0.96 1.44

2 Condition then Devices

Condition Device Count Trueness
(Average Distance Error) 		Standard Deviation
(From mean) 		Standard Deviation
(From true) 		Pace Error (95%) Distance Error
(from 9:00 min/mile) (from 5:30 min/Km) (20 miles) (30 Km)
Normal Footpod (calibrated) 3143 0.09% (5.0 Ft/Mile, 0.9 m/Km) 2.35% (124.1 Ft/Mile, 23.5 m/Km) 2.35% (124.2 Ft/Mile, 23.5 m/Km) 0:25 0:16 0.02 0.03
Polar V800 1604 0.27% (14.1 Ft/Mile, 2.7 m/Km) 2.12% (111.9 Ft/Mile, 21.2 m/Km) 2.14% (112.7 Ft/Mile, 21.4 m/Km) 0:23 0:14 0.05 0.08
iPhone 5s 435 0.42% (22.2 Ft/Mile, 4.2 m/Km) 2.34% (123.5 Ft/Mile, 23.4 m/Km) 2.38% (125.5 Ft/Mile, 23.8 m/Km) 0:26 0:16 0.08 0.13
Garmin 205 920 0.46% (24.2 Ft/Mile, 4.6 m/Km) 2.56% (135.4 Ft/Mile, 25.6 m/Km) 2.61% (137.6 Ft/Mile, 26.1 m/Km) 0:28 0:17 0.09 0.14
iPhone 4s 781 1.10% (58.2 Ft/Mile, 11.0 m/Km) 2.88% (152.1 Ft/Mile, 28.8 m/Km) 3.08% (162.9 Ft/Mile, 30.8 m/Km) 0:33 0:20 0.22 0.33
Garmin 310XT with Footpod 3143 0.27% (14.2 Ft/Mile, 2.7 m/Km) 3.12% (164.9 Ft/Mile, 31.2 m/Km) 3.13% (165.5 Ft/Mile, 31.3 m/Km) 0:34 0:21 0.05 0.08
Garmin 910XT with Footpod 600 0.95% (50.0 Ft/Mile, 9.5 m/Km) 2.76% (145.5 Ft/Mile, 27.6 m/Km) 2.91% (153.9 Ft/Mile, 29.1 m/Km) 0:31 0:19 0.19 0.28
Garmin 610 1727 1.42% (75.0 Ft/Mile, 14.2 m/Km) 3.02% (159.5 Ft/Mile, 30.2 m/Km) 3.34% (176.2 Ft/Mile, 33.4 m/Km) 0:36 0:22 0.28 0.43
Garmin 310XT no Footpod 1605 0.70% (36.9 Ft/Mile, 7.0 m/Km) 3.67% (194.0 Ft/Mile, 36.7 m/Km) 3.74% (197.4 Ft/Mile, 37.4 m/Km) 0:40 0:25 0.14 0.21
Garmin 620 (3.30) 950 1.47% (77.5 Ft/Mile, 14.7 m/Km) 3.09% (163.0 Ft/Mile, 30.9 m/Km) 3.42% (180.5 Ft/Mile, 34.2 m/Km) 0:37 0:23 0.29 0.44
Suunto Ambit2 R 2.0.7 856 0.98% (51.7 Ft/Mile, 9.8 m/Km) 3.32% (175.2 Ft/Mile, 33.2 m/Km) 3.46% (182.7 Ft/Mile, 34.6 m/Km) 0:37 0:23 0.20 0.29
Samsung Galaxy S3 701 0.85% (45.0 Ft/Mile, 8.5 m/Km) 3.69% (194.8 Ft/Mile, 36.9 m/Km) 3.79% (199.9 Ft/Mile, 37.9 m/Km) 0:41 0:25 0.17 0.26
Garmin 920XT 632 2.07% (109.5 Ft/Mile, 20.7 m/Km) 2.77% (146.4 Ft/Mile, 27.7 m/Km) 3.46% (182.9 Ft/Mile, 34.6 m/Km) 0:37 0:23 0.41 0.62
Footpod (uncalibrated) 3143 2.45% (129.5 Ft/Mile, 24.5 m/Km) 3.80% (200.8 Ft/Mile, 38.0 m/Km) 4.53% (239.0 Ft/Mile, 45.3 m/Km) 0:49 0:30 0.49 0.74
Polar RC3 GPS 920 0.91% (47.9 Ft/Mile, 9.1 m/Km) 3.85% (203.3 Ft/Mile, 38.5 m/Km) 3.96% (208.8 Ft/Mile, 39.6 m/Km) 0:43 0:26 0.18 0.27
TomTom Cardio Runner (1.8.5) 787 2.94% (155.3 Ft/Mile, 29.4 m/Km) 2.86% (150.8 Ft/Mile, 28.6 m/Km) 4.10% (216.6 Ft/Mile, 41.0 m/Km) 0:44 0:27 0.59 0.88
Garmin Fenix 2 (3.30) 929 2.31% (121.8 Ft/Mile, 23.1 m/Km) 3.65% (192.7 Ft/Mile, 36.5 m/Km) 4.32% (228.0 Ft/Mile, 43.2 m/Km) 0:47 0:28 0.46 0.69
Garmin 920XT (GLONASS) 594 2.92% (154.4 Ft/Mile, 29.2 m/Km) 3.44% (181.7 Ft/Mile, 34.4 m/Km) 4.52% (238.5 Ft/Mile, 45.2 m/Km) 0:49 0:30 0.58 0.88
Garmin Epix 484 2.68% (141.5 Ft/Mile, 26.8 m/Km) 3.90% (206.0 Ft/Mile, 39.0 m/Km) 4.73% (250.0 Ft/Mile, 47.3 m/Km) 0:51 0:31 0.54 0.80
Garmin 620 (pre-v3.30) 2737 2.84% (150.1 Ft/Mile, 28.4 m/Km) 4.71% (248.8 Ft/Mile, 47.1 m/Km) 5.50% (290.6 Ft/Mile, 55.0 m/Km) 0:59 0:36 0.57 0.85
Garmin 10 854 3.41% (179.8 Ft/Mile, 34.1 m/Km) 3.77% (199.2 Ft/Mile, 37.7 m/Km) 5.08% (268.4 Ft/Mile, 50.8 m/Km) 0:55 0:34 0.68 1.02
Garmin Fenix 2 (pre-v3.30) 3600 2.31% (122.1 Ft/Mile, 23.1 m/Km) 5.50% (290.6 Ft/Mile, 55.0 m/Km) 5.97% (315.2 Ft/Mile, 59.7 m/Km) 1:04 0:39 0.46 0.69
Garmin Epix with GLONAS+WAAS (provisional) 76 2.91% (153.7 Ft/Mile, 29.1 m/Km) 3.70% (195.3 Ft/Mile, 37.0 m/Km) 4.72% (249.2 Ft/Mile, 47.2 m/Km) 0:51 0:31 0.58 0.87
Polar M400 1120 4.08% (215.4 Ft/Mile, 40.8 m/Km) 4.27% (225.5 Ft/Mile, 42.7 m/Km) 5.91% (311.9 Ft/Mile, 59.1 m/Km) 1:04 0:39 0.82 1.22
All 32341 1.02% (54.0 Ft/Mile, 10.2 m/Km) 4.05% (213.7 Ft/Mile, 40.5 m/Km) 4.17% (220.4 Ft/Mile, 41.7 m/Km) 0:45 0:28 0.20 0.31
Under Bridge Footpod (calibrated) 149 1.25% (65.8 Ft/Mile, 12.5 m/Km) 1.85% (97.9 Ft/Mile, 18.5 m/Km) 2.24% (118.1 Ft/Mile, 22.4 m/Km) 0:24 0:15 0.25 0.37
Polar V800 108 2.93% (154.7 Ft/Mile, 29.3 m/Km) 3.55% (187.7 Ft/Mile, 35.5 m/Km) 4.62% (243.7 Ft/Mile, 46.2 m/Km) 0:50 0:30 0.59 0.88
iPhone 5s 25 2.28% (120.4 Ft/Mile, 22.8 m/Km) 3.20% (168.8 Ft/Mile, 32.0 m/Km) 3.95% (208.8 Ft/Mile, 39.5 m/Km) 0:43 0:26 0.46 0.68
Garmin 205 65 2.78% (146.8 Ft/Mile, 27.8 m/Km) 7.03% (371.2 Ft/Mile, 70.3 m/Km) 7.57% (399.6 Ft/Mile, 75.7 m/Km) 1:22 0:50 0.56 0.83
iPhone 4s 55 2.65% (139.9 Ft/Mile, 26.5 m/Km) 3.38% (178.7 Ft/Mile, 33.8 m/Km) 4.31% (227.8 Ft/Mile, 43.1 m/Km) 0:47 0:28 0.53 0.80
Garmin 310XT with Footpod 149 1.84% (97.1 Ft/Mile, 18.4 m/Km) 3.89% (205.3 Ft/Mile, 38.9 m/Km) 4.30% (227.3 Ft/Mile, 43.0 m/Km) 0:46 0:28 0.37 0.55
Garmin 910XT with Footpod 42 0.16% (8.4 Ft/Mile, 1.6 m/Km) 3.16% (166.8 Ft/Mile, 31.6 m/Km) 3.16% (167.1 Ft/Mile, 31.6 m/Km) 0:34 0:21 0.03 0.05
Garmin 610 112 0.90% (47.4 Ft/Mile, 9.0 m/Km) 2.80% (147.6 Ft/Mile, 28.0 m/Km) 2.94% (155.1 Ft/Mile, 29.4 m/Km) 0:32 0:19 0.18 0.27
Garmin 310XT no Footpod 108 0.88% (46.4 Ft/Mile, 8.8 m/Km) 4.21% (222.3 Ft/Mile, 42.1 m/Km) 4.30% (227.1 Ft/Mile, 43.0 m/Km) 0:46 0:28 0.18 0.26
Garmin 620 (3.30) 52 0.87% (45.7 Ft/Mile, 8.7 m/Km) 3.66% (193.2 Ft/Mile, 36.6 m/Km) 3.76% (198.6 Ft/Mile, 37.6 m/Km) 0:41 0:25 0.17 0.26
Suunto Ambit2 R 2.0.7 50 4.65% (245.7 Ft/Mile, 46.5 m/Km) 5.64% (297.6 Ft/Mile, 56.4 m/Km) 7.34% (387.5 Ft/Mile, 73.4 m/Km) 1:19 0:48 0.93 1.40
Samsung Galaxy S3 38 1.31% (69.0 Ft/Mile, 13.1 m/Km) 3.14% (165.6 Ft/Mile, 31.4 m/Km) 3.41% (179.8 Ft/Mile, 34.1 m/Km) 0:37 0:22 0.26 0.39
Garmin 920XT 37 1.14% (60.1 Ft/Mile, 11.4 m/Km) 2.43% (128.2 Ft/Mile, 24.3 m/Km) 2.69% (142.0 Ft/Mile, 26.9 m/Km) 0:29 0:18 0.23 0.34
Footpod (uncalibrated) 149 2.44% (128.8 Ft/Mile, 24.4 m/Km) 3.35% (176.7 Ft/Mile, 33.5 m/Km) 4.15% (218.9 Ft/Mile, 41.5 m/Km) 0:45 0:27 0.49 0.73
Polar RC3 GPS 67 4.68% (247.2 Ft/Mile, 46.8 m/Km) 6.75% (356.4 Ft/Mile, 67.5 m/Km) 8.23% (434.8 Ft/Mile, 82.3 m/Km) 1:29 0:54 0.94 1.40
TomTom Cardio Runner (1.8.5) 61 4.81% (253.9 Ft/Mile, 48.1 m/Km) 5.33% (281.3 Ft/Mile, 53.3 m/Km) 7.20% (380.4 Ft/Mile, 72.0 m/Km) 1:18 0:48 0.96 1.44
Garmin Fenix 2 (3.30) 54 5.25% (277.3 Ft/Mile, 52.5 m/Km) 4.43% (233.9 Ft/Mile, 44.3 m/Km) 6.91% (364.8 Ft/Mile, 69.1 m/Km) 1:15 0:46 1.05 1.58
Garmin 920XT (GLONASS) 36 1.04% (55.1 Ft/Mile, 10.4 m/Km) 2.47% (130.6 Ft/Mile, 24.7 m/Km) 2.69% (142.1 Ft/Mile, 26.9 m/Km) 0:29 0:18 0.21 0.31
Garmin Epix 35 2.13% (112.5 Ft/Mile, 21.3 m/Km) 5.81% (306.8 Ft/Mile, 58.1 m/Km) 6.20% (327.4 Ft/Mile, 62.0 m/Km) 1:07 0:41 0.43 0.64
Garmin 620 (pre-v3.30) 160 0.98% (51.7 Ft/Mile, 9.8 m/Km) 4.80% (253.6 Ft/Mile, 48.0 m/Km) 4.90% (258.9 Ft/Mile, 49.0 m/Km) 0:53 0:32 0.20 0.29
Garmin 10 61 0.48% (25.3 Ft/Mile, 4.8 m/Km) 2.52% (133.2 Ft/Mile, 25.2 m/Km) 2.57% (135.7 Ft/Mile, 25.7 m/Km) 0:28 0:17 0.10 0.14
Garmin Fenix 2 (pre-v3.30) 227 3.84% (203.0 Ft/Mile, 38.4 m/Km) 5.11% (269.8 Ft/Mile, 51.1 m/Km) 6.40% (337.9 Ft/Mile, 64.0 m/Km) 1:09 0:42 0.77 1.15
Garmin Epix with GLONAS+WAAS (provisional) 6 0.97% (51.2 Ft/Mile, 9.7 m/Km) 9.90% (522.9 Ft/Mile, 99.0 m/Km) 9.96% (525.9 Ft/Mile, 99.6 m/Km) 1:48 1:06 0.19 0.29
Polar M400 78 0.22% (11.5 Ft/Mile, 2.2 m/Km) 2.91% (153.4 Ft/Mile, 29.1 m/Km) 2.91% (153.8 Ft/Mile, 29.1 m/Km) 0:31 0:19 0.04 0.07
All 1924 0.76% (40.0 Ft/Mile, 7.6 m/Km) 4.89% (258.1 Ft/Mile, 48.9 m/Km) 4.95% (261.2 Ft/Mile, 49.5 m/Km) 0:53 0:33 0.15 0.23
Post Bridge Footpod (calibrated) 176 0.32% (16.7 Ft/Mile, 3.2 m/Km) 1.99% (104.8 Ft/Mile, 19.9 m/Km) 2.01% (106.2 Ft/Mile, 20.1 m/Km) 0:22 0:13 0.06 0.09
Polar V800 108 1.34% (70.7 Ft/Mile, 13.4 m/Km) 2.68% (141.6 Ft/Mile, 26.8 m/Km) 3.00% (158.4 Ft/Mile, 30.0 m/Km) 0:32 0:20 0.27 0.40
iPhone 5s 22 2.16% (114.0 Ft/Mile, 21.6 m/Km) 2.06% (108.8 Ft/Mile, 20.6 m/Km) 3.02% (159.5 Ft/Mile, 30.2 m/Km) 0:33 0:20 0.43 0.65
Garmin 205 66 1.21% (64.0 Ft/Mile, 12.1 m/Km) 2.37% (125.0 Ft/Mile, 23.7 m/Km) 2.66% (140.7 Ft/Mile, 26.6 m/Km) 0:29 0:18 0.24 0.36
iPhone 4s 54 0.21% (11.0 Ft/Mile, 2.1 m/Km) 2.60% (137.1 Ft/Mile, 26.0 m/Km) 2.61% (137.6 Ft/Mile, 26.1 m/Km) 0:28 0:17 0.04 0.06
Garmin 310XT with Footpod 176 2.48% (131.0 Ft/Mile, 24.8 m/Km) 3.32% (175.3 Ft/Mile, 33.2 m/Km) 4.15% (219.1 Ft/Mile, 41.5 m/Km) 0:45 0:27 0.50 0.74
Garmin 910XT with Footpod 40 3.81% (201.2 Ft/Mile, 38.1 m/Km) 2.01% (105.9 Ft/Mile, 20.1 m/Km) 4.35% (229.7 Ft/Mile, 43.5 m/Km) 0:47 0:29 0.76 1.14
Garmin 610 112 3.75% (197.8 Ft/Mile, 37.5 m/Km) 2.53% (133.5 Ft/Mile, 25.3 m/Km) 4.53% (239.4 Ft/Mile, 45.3 m/Km) 0:49 0:30 0.75 1.12
Garmin 310XT no Footpod 106 3.19% (168.6 Ft/Mile, 31.9 m/Km) 3.30% (174.3 Ft/Mile, 33.0 m/Km) 4.60% (243.1 Ft/Mile, 46.0 m/Km) 0:50 0:30 0.64 0.96
Garmin 620 (3.30) 52 3.85% (203.5 Ft/Mile, 38.5 m/Km) 3.06% (161.5 Ft/Mile, 30.6 m/Km) 4.95% (261.4 Ft/Mile, 49.5 m/Km) 0:53 0:33 0.77 1.16
Suunto Ambit2 R 2.0.7 49 2.14% (113.1 Ft/Mile, 21.4 m/Km) 2.70% (142.3 Ft/Mile, 27.0 m/Km) 3.46% (182.5 Ft/Mile, 34.6 m/Km) 0:37 0:23 0.43 0.64
Samsung Galaxy S3 36 3.87% (204.6 Ft/Mile, 38.7 m/Km) 3.26% (172.2 Ft/Mile, 32.6 m/Km) 5.11% (269.6 Ft/Mile, 51.1 m/Km) 0:55 0:34 0.77 1.16
Garmin 920XT 37 5.07% (267.7 Ft/Mile, 50.7 m/Km) 2.94% (155.0 Ft/Mile, 29.4 m/Km) 5.92% (312.6 Ft/Mile, 59.2 m/Km) 1:04 0:39 1.01 1.52
Footpod (uncalibrated) 176 2.17% (114.7 Ft/Mile, 21.7 m/Km) 3.53% (186.1 Ft/Mile, 35.3 m/Km) 4.14% (218.8 Ft/Mile, 41.4 m/Km) 0:45 0:27 0.43 0.65
Polar RC3 GPS 66 6.97% (367.8 Ft/Mile, 69.7 m/Km) 5.22% (275.4 Ft/Mile, 52.2 m/Km) 8.74% (461.7 Ft/Mile, 87.4 m/Km) 1:34 0:58 1.39 2.09
TomTom Cardio Runner (1.8.5) 58 4.19% (221.4 Ft/Mile, 41.9 m/Km) 2.74% (144.9 Ft/Mile, 27.4 m/Km) 5.04% (266.2 Ft/Mile, 50.4 m/Km) 0:54 0:33 0.84 1.26
Garmin Fenix 2 (3.30) 54 7.82% (412.8 Ft/Mile, 78.2 m/Km) 4.30% (226.8 Ft/Mile, 43.0 m/Km) 8.98% (474.4 Ft/Mile, 89.8 m/Km) 1:37 0:59 1.56 2.35
Garmin 920XT (GLONASS) 36 7.15% (377.4 Ft/Mile, 71.5 m/Km) 3.29% (173.5 Ft/Mile, 32.9 m/Km) 7.96% (420.3 Ft/Mile, 79.6 m/Km) 1:26 0:53 1.43 2.14
Garmin Epix 35 7.11% (375.3 Ft/Mile, 71.1 m/Km) 3.95% (208.3 Ft/Mile, 39.5 m/Km) 8.22% (434.1 Ft/Mile, 82.2 m/Km) 1:29 0:54 1.42 2.13
Garmin 620 (pre-v3.30) 159 6.21% (327.7 Ft/Mile, 62.1 m/Km) 6.14% (324.1 Ft/Mile, 61.4 m/Km) 8.74% (461.7 Ft/Mile, 87.4 m/Km) 1:34 0:58 1.24 1.86
Garmin 10 62 9.11% (481.0 Ft/Mile, 91.1 m/Km) 4.01% (211.6 Ft/Mile, 40.1 m/Km) 10.02% (529.1 Ft/Mile, 100.2 m/Km) 1:48 1:06 1.82 2.73
Garmin Fenix 2 (pre-v3.30) 222 7.97% (420.7 Ft/Mile, 79.7 m/Km) 5.53% (291.8 Ft/Mile, 55.3 m/Km) 9.71% (512.8 Ft/Mile, 97.1 m/Km) 1:45 1:04 1.59 2.39
Garmin Epix with GLONAS+WAAS (provisional) 6 7.19% (379.7 Ft/Mile, 71.9 m/Km) 4.04% (213.1 Ft/Mile, 40.4 m/Km) 8.85% (467.4 Ft/Mile, 88.5 m/Km) 1:36 0:58 1.44 2.16
Polar M400 77 9.33% (492.7 Ft/Mile, 93.3 m/Km) 5.53% (291.7 Ft/Mile, 55.3 m/Km) 10.90% (575.3 Ft/Mile, 109.0 m/Km) 1:58 1:12 1.87 2.80
All 1985 3.80% (200.5 Ft/Mile, 38.0 m/Km) 5.17% (272.9 Ft/Mile, 51.7 m/Km) 6.41% (338.7 Ft/Mile, 64.1 m/Km) 1:09 0:42 0.76 1.14
Turn Around Footpod (calibrated) 198 0.43% (22.7 Ft/Mile, 4.3 m/Km) 2.31% (122.2 Ft/Mile, 23.1 m/Km) 2.35% (124.3 Ft/Mile, 23.5 m/Km) 0:25 0:16 0.09 0.13
Polar V800 122 4.19% (221.1 Ft/Mile, 41.9 m/Km) 3.02% (159.6 Ft/Mile, 30.2 m/Km) 5.18% (273.5 Ft/Mile, 51.8 m/Km) 0:56 0:34 0.84 1.26
iPhone 5s 32 3.66% (193.4 Ft/Mile, 36.6 m/Km) 5.24% (276.7 Ft/Mile, 52.4 m/Km) 6.43% (339.4 Ft/Mile, 64.3 m/Km) 1:09 0:42 0.73 1.10
Garmin 205 73 2.87% (151.3 Ft/Mile, 28.7 m/Km) 2.34% (123.3 Ft/Mile, 23.4 m/Km) 3.71% (196.0 Ft/Mile, 37.1 m/Km) 0:40 0:25 0.57 0.86
iPhone 4s 62 2.27% (119.7 Ft/Mile, 22.7 m/Km) 4.00% (211.0 Ft/Mile, 40.0 m/Km) 4.60% (243.1 Ft/Mile, 46.0 m/Km) 0:50 0:30 0.45 0.68
Garmin 310XT with Footpod 198 3.64% (192.3 Ft/Mile, 36.4 m/Km) 3.54% (186.8 Ft/Mile, 35.4 m/Km) 5.08% (268.5 Ft/Mile, 50.8 m/Km) 0:55 0:34 0.73 1.09
Garmin 910XT with Footpod 43 4.73% (249.8 Ft/Mile, 47.3 m/Km) 2.55% (134.4 Ft/Mile, 25.5 m/Km) 5.42% (286.2 Ft/Mile, 54.2 m/Km) 0:59 0:36 0.95 1.42
Garmin 610 134 5.32% (281.1 Ft/Mile, 53.2 m/Km) 2.49% (131.6 Ft/Mile, 24.9 m/Km) 5.90% (311.3 Ft/Mile, 59.0 m/Km) 1:04 0:39 1.06 1.60
Garmin 310XT no Footpod 123 3.60% (190.3 Ft/Mile, 36.0 m/Km) 4.80% (253.4 Ft/Mile, 48.0 m/Km) 6.01% (317.4 Ft/Mile, 60.1 m/Km) 1:05 0:40 0.72 1.08
Garmin 620 (3.30) 76 4.60% (242.8 Ft/Mile, 46.0 m/Km) 3.59% (189.5 Ft/Mile, 35.9 m/Km) 5.86% (309.3 Ft/Mile, 58.6 m/Km) 1:03 0:39 0.92 1.38
Suunto Ambit2 R 2.0.7 68 6.50% (343.1 Ft/Mile, 65.0 m/Km) 4.24% (223.7 Ft/Mile, 42.4 m/Km) 7.80% (411.7 Ft/Mile, 78.0 m/Km) 1:24 0:51 1.30 1.95
Samsung Galaxy S3 57 6.66% (351.6 Ft/Mile, 66.6 m/Km) 3.73% (197.1 Ft/Mile, 37.3 m/Km) 7.69% (405.9 Ft/Mile, 76.9 m/Km) 1:23 0:51 1.33 2.00
Garmin 920XT 49 6.83% (360.9 Ft/Mile, 68.3 m/Km) 3.39% (178.8 Ft/Mile, 33.9 m/Km) 7.69% (406.1 Ft/Mile, 76.9 m/Km) 1:23 0:51 1.37 2.05
Footpod (uncalibrated) 198 1.81% (95.7 Ft/Mile, 18.1 m/Km) 3.67% (193.6 Ft/Mile, 36.7 m/Km) 4.09% (216.1 Ft/Mile, 40.9 m/Km) 0:44 0:27 0.36 0.54
Polar RC3 GPS 73 5.37% (283.6 Ft/Mile, 53.7 m/Km) 4.85% (256.2 Ft/Mile, 48.5 m/Km) 7.27% (383.7 Ft/Mile, 72.7 m/Km) 1:18 0:48 1.07 1.61
TomTom Cardio Runner (1.8.5) 54 7.11% (375.3 Ft/Mile, 71.1 m/Km) 3.00% (158.4 Ft/Mile, 30.0 m/Km) 7.78% (410.6 Ft/Mile, 77.8 m/Km) 1:24 0:51 1.42 2.13
Garmin Fenix 2 (3.30) 74 9.38% (495.2 Ft/Mile, 93.8 m/Km) 3.55% (187.5 Ft/Mile, 35.5 m/Km) 10.09% (532.7 Ft/Mile, 100.9 m/Km) 1:49 1:07 1.88 2.81
Garmin 920XT (GLONASS) 46 8.02% (423.7 Ft/Mile, 80.2 m/Km) 3.96% (209.1 Ft/Mile, 39.6 m/Km) 9.03% (476.7 Ft/Mile, 90.3 m/Km) 1:38 0:60 1.60 2.41
Garmin Epix 38 9.16% (483.8 Ft/Mile, 91.6 m/Km) 4.19% (221.4 Ft/Mile, 41.9 m/Km) 10.19% (538.0 Ft/Mile, 101.9 m/Km) 1:50 1:07 1.83 2.75
Garmin 620 (pre-v3.30) 205 8.73% (460.7 Ft/Mile, 87.3 m/Km) 6.27% (331.3 Ft/Mile, 62.7 m/Km) 10.76% (568.4 Ft/Mile, 107.6 m/Km) 1:56 1:11 1.75 2.62
Garmin 10 63 9.21% (486.4 Ft/Mile, 92.1 m/Km) 3.96% (208.9 Ft/Mile, 39.6 m/Km) 10.09% (533.0 Ft/Mile, 100.9 m/Km) 1:49 1:07 1.84 2.76
Garmin Fenix 2 (pre-v3.30) 270 10.18% (537.4 Ft/Mile, 101.8 m/Km) 5.66% (298.7 Ft/Mile, 56.6 m/Km) 11.66% (615.7 Ft/Mile, 116.6 m/Km) 2:06 1:17 2.04 3.05
Garmin Epix with GLONAS+WAAS (provisional) 6 10.67% (563.4 Ft/Mile, 106.7 m/Km) 2.07% (109.2 Ft/Mile, 20.7 m/Km) 11.87% (626.7 Ft/Mile, 118.7 m/Km) 2:08 1:18 2.13 3.20
Polar M400 82 13.29% (701.6 Ft/Mile, 132.9 m/Km) 4.82% (254.6 Ft/Mile, 48.2 m/Km) 14.21% (750.4 Ft/Mile, 142.1 m/Km) 2:33 1:34 2.66 3.99
All 2344 5.44% (287.2 Ft/Mile, 54.4 m/Km) 5.68% (299.8 Ft/Mile, 56.8 m/Km) 7.86% (415.2 Ft/Mile, 78.6 m/Km) 1:25 0:52 1.09 1.63
Straight Footpod (calibrated) 671 0.30% (15.9 Ft/Mile, 3.0 m/Km) 2.35% (124.1 Ft/Mile, 23.5 m/Km) 2.37% (125.1 Ft/Mile, 23.7 m/Km) 0:26 0:16 0.06 0.09
Polar V800 330 0.63% (33.4 Ft/Mile, 6.3 m/Km) 1.50% (79.2 Ft/Mile, 15.0 m/Km) 1.63% (86.0 Ft/Mile, 16.3 m/Km) 0:18 0:11 0.13 0.19
iPhone 5s 89 0.49% (25.9 Ft/Mile, 4.9 m/Km) 1.77% (93.7 Ft/Mile, 17.7 m/Km) 1.84% (97.3 Ft/Mile, 18.4 m/Km) 0:20 0:12 0.10 0.15
Garmin 205 198 0.35% (18.4 Ft/Mile, 3.5 m/Km) 1.63% (86.2 Ft/Mile, 16.3 m/Km) 1.67% (88.2 Ft/Mile, 16.7 m/Km) 0:18 0:11 0.07 0.10
iPhone 4s 166 1.87% (98.8 Ft/Mile, 18.7 m/Km) 2.23% (117.9 Ft/Mile, 22.3 m/Km) 2.92% (154.0 Ft/Mile, 29.2 m/Km) 0:31 0:19 0.37 0.56
Garmin 310XT with Footpod 671 0.97% (51.1 Ft/Mile, 9.7 m/Km) 2.29% (121.1 Ft/Mile, 22.9 m/Km) 2.49% (131.5 Ft/Mile, 24.9 m/Km) 0:27 0:16 0.19 0.29
Garmin 910XT with Footpod 122 0.25% (13.0 Ft/Mile, 2.5 m/Km) 1.74% (91.8 Ft/Mile, 17.4 m/Km) 1.76% (92.8 Ft/Mile, 17.6 m/Km) 0:19 0:12 0.05 0.07
Garmin 610 375 0.56% (29.5 Ft/Mile, 5.6 m/Km) 2.03% (106.9 Ft/Mile, 20.3 m/Km) 2.10% (110.9 Ft/Mile, 21.0 m/Km) 0:23 0:14 0.11 0.17
Garmin 310XT no Footpod 326 0.42% (22.2 Ft/Mile, 4.2 m/Km) 2.82% (149.1 Ft/Mile, 28.2 m/Km) 2.85% (150.7 Ft/Mile, 28.5 m/Km) 0:31 0:19 0.08 0.13
Garmin 620 (3.30) 231 0.17% (9.2 Ft/Mile, 1.7 m/Km) 2.30% (121.5 Ft/Mile, 23.0 m/Km) 2.31% (121.8 Ft/Mile, 23.1 m/Km) 0:25 0:15 0.03 0.05
Suunto Ambit2 R 2.0.7 200 0.71% (37.7 Ft/Mile, 7.1 m/Km) 2.49% (131.7 Ft/Mile, 24.9 m/Km) 2.59% (137.0 Ft/Mile, 25.9 m/Km) 0:28 0:17 0.14 0.21
Samsung Galaxy S3 179 0.63% (33.1 Ft/Mile, 6.3 m/Km) 2.56% (135.3 Ft/Mile, 25.6 m/Km) 2.64% (139.3 Ft/Mile, 26.4 m/Km) 0:28 0:17 0.13 0.19
Garmin 920XT 142 0.48% (25.6 Ft/Mile, 4.8 m/Km) 2.20% (116.3 Ft/Mile, 22.0 m/Km) 2.26% (119.1 Ft/Mile, 22.6 m/Km) 0:24 0:15 0.10 0.15
Footpod (uncalibrated) 671 2.64% (139.3 Ft/Mile, 26.4 m/Km) 3.69% (194.9 Ft/Mile, 36.9 m/Km) 4.54% (239.6 Ft/Mile, 45.4 m/Km) 0:49 0:30 0.53 0.79
Polar RC3 GPS 190 0.18% (9.3 Ft/Mile, 1.8 m/Km) 2.94% (155.3 Ft/Mile, 29.4 m/Km) 2.95% (155.6 Ft/Mile, 29.5 m/Km) 0:32 0:19 0.04 0.05
TomTom Cardio Runner (1.8.5) 144 1.21% (63.7 Ft/Mile, 12.1 m/Km) 2.07% (109.4 Ft/Mile, 20.7 m/Km) 2.40% (126.7 Ft/Mile, 24.0 m/Km) 0:26 0:16 0.24 0.36
Garmin Fenix 2 (3.30) 222 0.26% (13.6 Ft/Mile, 2.6 m/Km) 2.41% (127.2 Ft/Mile, 24.1 m/Km) 2.42% (127.9 Ft/Mile, 24.2 m/Km) 0:26 0:16 0.05 0.08
Garmin 920XT (GLONASS) 137 0.76% (40.0 Ft/Mile, 7.6 m/Km) 2.52% (133.2 Ft/Mile, 25.2 m/Km) 2.63% (139.1 Ft/Mile, 26.3 m/Km) 0:28 0:17 0.15 0.23
Garmin Epix 98 1.22% (64.3 Ft/Mile, 12.2 m/Km) 2.27% (119.7 Ft/Mile, 22.7 m/Km) 2.58% (136.1 Ft/Mile, 25.8 m/Km) 0:28 0:17 0.24 0.37
Garmin 620 (pre-v3.30) 585 0.44% (23.0 Ft/Mile, 4.4 m/Km) 3.20% (168.9 Ft/Mile, 32.0 m/Km) 3.23% (170.5 Ft/Mile, 32.3 m/Km) 0:35 0:21 0.09 0.13
Garmin 10 170 0.95% (50.4 Ft/Mile, 9.5 m/Km) 2.54% (134.0 Ft/Mile, 25.4 m/Km) 2.71% (143.2 Ft/Mile, 27.1 m/Km) 0:29 0:18 0.19 0.29
Garmin Fenix 2 (pre-v3.30) 747 0.66% (35.0 Ft/Mile, 6.6 m/Km) 4.43% (234.1 Ft/Mile, 44.3 m/Km) 4.48% (236.7 Ft/Mile, 44.8 m/Km) 0:48 0:30 0.13 0.20
Garmin Epix with GLONAS+WAAS (provisional) 14 0.17% (9.0 Ft/Mile, 1.7 m/Km) 1.55% (81.9 Ft/Mile, 15.5 m/Km) 1.56% (82.4 Ft/Mile, 15.6 m/Km) 0:17 0:10 0.03 0.05
Polar M400 231 1.09% (57.6 Ft/Mile, 10.9 m/Km) 3.01% (159.0 Ft/Mile, 30.1 m/Km) 3.20% (169.2 Ft/Mile, 32.0 m/Km) 0:35 0:21 0.22 0.33
All 6909 0.50% (26.2 Ft/Mile, 5.0 m/Km) 3.01% (158.7 Ft/Mile, 30.1 m/Km) 3.05% (160.8 Ft/Mile, 30.5 m/Km) 0:33 0:20 0.10 0.15
Power Line Footpod (calibrated) 487 0.16% (8.7 Ft/Mile, 1.6 m/Km) 2.33% (123.3 Ft/Mile, 23.3 m/Km) 2.34% (123.6 Ft/Mile, 23.4 m/Km) 0:25 0:15 0.03 0.05
Polar V800 222 0.94% (49.7 Ft/Mile, 9.4 m/Km) 1.93% (101.7 Ft/Mile, 19.3 m/Km) 2.15% (113.3 Ft/Mile, 21.5 m/Km) 0:23 0:14 0.19 0.28
iPhone 5s 60 0.70% (37.1 Ft/Mile, 7.0 m/Km) 2.10% (111.1 Ft/Mile, 21.0 m/Km) 2.22% (117.2 Ft/Mile, 22.2 m/Km) 0:24 0:15 0.14 0.21
Garmin 205 127 0.52% (27.3 Ft/Mile, 5.2 m/Km) 2.30% (121.3 Ft/Mile, 23.0 m/Km) 2.36% (124.4 Ft/Mile, 23.6 m/Km) 0:25 0:16 0.10 0.16
iPhone 4s 110 1.35% (71.1 Ft/Mile, 13.5 m/Km) 2.52% (133.0 Ft/Mile, 25.2 m/Km) 2.86% (150.9 Ft/Mile, 28.6 m/Km) 0:31 0:19 0.27 0.40
Garmin 310XT with Footpod 487 0.61% (32.3 Ft/Mile, 6.1 m/Km) 3.06% (161.5 Ft/Mile, 30.6 m/Km) 3.12% (164.7 Ft/Mile, 31.2 m/Km) 0:34 0:21 0.12 0.18
Garmin 910XT with Footpod 90 1.58% (83.5 Ft/Mile, 15.8 m/Km) 2.17% (114.4 Ft/Mile, 21.7 m/Km) 2.69% (141.9 Ft/Mile, 26.9 m/Km) 0:29 0:18 0.32 0.47
Garmin 610 231 1.74% (92.0 Ft/Mile, 17.4 m/Km) 2.14% (112.8 Ft/Mile, 21.4 m/Km) 2.76% (145.7 Ft/Mile, 27.6 m/Km) 0:30 0:18 0.35 0.52
Garmin 310XT no Footpod 229 1.23% (64.8 Ft/Mile, 12.3 m/Km) 3.20% (169.1 Ft/Mile, 32.0 m/Km) 3.43% (181.2 Ft/Mile, 34.3 m/Km) 0:37 0:23 0.25 0.37
Garmin 620 (3.30) 104 1.70% (89.7 Ft/Mile, 17.0 m/Km) 2.50% (132.1 Ft/Mile, 25.0 m/Km) 3.03% (159.9 Ft/Mile, 30.3 m/Km) 0:33 0:20 0.34 0.51
Suunto Ambit2 R 2.0.7 98 2.89% (152.6 Ft/Mile, 28.9 m/Km) 2.60% (137.5 Ft/Mile, 26.0 m/Km) 3.90% (206.0 Ft/Mile, 39.0 m/Km) 0:42 0:26 0.58 0.87
Samsung Galaxy S3 70 2.13% (112.5 Ft/Mile, 21.3 m/Km) 3.49% (184.1 Ft/Mile, 34.9 m/Km) 4.09% (216.2 Ft/Mile, 40.9 m/Km) 0:44 0:27 0.43 0.64
Garmin 920XT 76 2.69% (142.2 Ft/Mile, 26.9 m/Km) 2.44% (128.7 Ft/Mile, 24.4 m/Km) 3.64% (192.5 Ft/Mile, 36.4 m/Km) 0:39 0:24 0.54 0.81
Footpod (uncalibrated) 487 2.57% (135.7 Ft/Mile, 25.7 m/Km) 3.91% (206.4 Ft/Mile, 39.1 m/Km) 4.68% (247.1 Ft/Mile, 46.8 m/Km) 0:51 0:31 0.51 0.77
Polar RC3 GPS 136 1.35% (71.5 Ft/Mile, 13.5 m/Km) 3.80% (200.9 Ft/Mile, 38.0 m/Km) 4.04% (213.3 Ft/Mile, 40.4 m/Km) 0:44 0:27 0.27 0.41
TomTom Cardio Runner (1.8.5) 123 3.62% (191.3 Ft/Mile, 36.2 m/Km) 1.72% (91.0 Ft/Mile, 17.2 m/Km) 4.03% (212.5 Ft/Mile, 40.3 m/Km) 0:43 0:27 0.72 1.09
Garmin Fenix 2 (3.30) 107 1.97% (104.1 Ft/Mile, 19.7 m/Km) 3.85% (203.2 Ft/Mile, 38.5 m/Km) 4.33% (228.5 Ft/Mile, 43.3 m/Km) 0:47 0:29 0.39 0.59
Garmin 920XT (GLONASS) 71 2.85% (150.3 Ft/Mile, 28.5 m/Km) 3.39% (178.8 Ft/Mile, 33.9 m/Km) 4.44% (234.3 Ft/Mile, 44.4 m/Km) 0:48 0:29 0.57 0.85
Garmin Epix 70 2.50% (131.9 Ft/Mile, 25.0 m/Km) 3.05% (161.2 Ft/Mile, 30.5 m/Km) 3.96% (208.9 Ft/Mile, 39.6 m/Km) 0:43 0:26 0.50 0.75
Garmin 620 (pre-v3.30) 378 2.79% (147.2 Ft/Mile, 27.9 m/Km) 4.30% (227.3 Ft/Mile, 43.0 m/Km) 5.13% (270.9 Ft/Mile, 51.3 m/Km) 0:55 0:34 0.56 0.84
Garmin 10 129 3.25% (171.7 Ft/Mile, 32.5 m/Km) 3.47% (183.3 Ft/Mile, 34.7 m/Km) 4.77% (251.7 Ft/Mile, 47.7 m/Km) 0:51 0:31 0.65 0.98
Garmin Fenix 2 (pre-v3.30) 493 1.47% (77.9 Ft/Mile, 14.7 m/Km) 5.57% (294.1 Ft/Mile, 55.7 m/Km) 5.76% (304.2 Ft/Mile, 57.6 m/Km) 1:02 0:38 0.29 0.44
Garmin Epix with GLONAS+WAAS (provisional) 12 2.00% (105.4 Ft/Mile, 20.0 m/Km) 3.70% (195.2 Ft/Mile, 37.0 m/Km) 4.24% (224.1 Ft/Mile, 42.4 m/Km) 0:46 0:28 0.40 0.60
Polar M400 150 4.20% (221.9 Ft/Mile, 42.0 m/Km) 3.78% (199.5 Ft/Mile, 37.8 m/Km) 5.66% (298.9 Ft/Mile, 56.6 m/Km) 1:01 0:37 0.84 1.26
All 4547 1.05% (55.3 Ft/Mile, 10.5 m/Km) 3.88% (204.8 Ft/Mile, 38.8 m/Km) 4.02% (212.1 Ft/Mile, 40.2 m/Km) 0:43 0:27 0.21 0.31
Mixed Footpod (calibrated) 3666 0.14% (7.5 Ft/Mile, 1.4 m/Km) 2.25% (119.0 Ft/Mile, 22.5 m/Km) 2.34% (123.5 Ft/Mile, 23.4 m/Km) 0:25 0:15 0.03 0.04
Polar V800 1942 0.40% (21.2 Ft/Mile, 4.0 m/Km) 1.92% (101.6 Ft/Mile, 19.2 m/Km) 2.70% (142.5 Ft/Mile, 27.0 m/Km) 0:29 0:18 0.08 0.12
iPhone 5s 514 0.17% (8.9 Ft/Mile, 1.7 m/Km) 2.35% (123.8 Ft/Mile, 23.5 m/Km) 3.00% (158.3 Ft/Mile, 30.0 m/Km) 0:32 0:20 0.03 0.05
Garmin 205 1124 0.49% (26.1 Ft/Mile, 4.9 m/Km) 2.91% (153.7 Ft/Mile, 29.1 m/Km) 3.31% (175.0 Ft/Mile, 33.1 m/Km) 0:36 0:22 0.10 0.15
iPhone 4s 952 0.89% (47.1 Ft/Mile, 8.9 m/Km) 2.81% (148.5 Ft/Mile, 28.1 m/Km) 3.38% (178.3 Ft/Mile, 33.8 m/Km) 0:36 0:22 0.18 0.27
Garmin 310XT with Footpod 3666 0.76% (40.0 Ft/Mile, 7.6 m/Km) 2.99% (157.6 Ft/Mile, 29.9 m/Km) 3.52% (186.0 Ft/Mile, 35.2 m/Km) 0:38 0:23 0.15 0.23
Garmin 910XT with Footpod 725 1.38% (72.9 Ft/Mile, 13.8 m/Km) 2.41% (127.3 Ft/Mile, 24.1 m/Km) 3.39% (179.2 Ft/Mile, 33.9 m/Km) 0:37 0:22 0.28 0.41
Garmin 610 2085 1.83% (96.7 Ft/Mile, 18.3 m/Km) 2.27% (119.9 Ft/Mile, 22.7 m/Km) 3.63% (191.7 Ft/Mile, 36.3 m/Km) 0:39 0:24 0.37 0.55
Garmin 310XT no Footpod 1942 0.97% (51.0 Ft/Mile, 9.7 m/Km) 3.61% (190.7 Ft/Mile, 36.1 m/Km) 4.06% (214.6 Ft/Mile, 40.6 m/Km) 0:44 0:27 0.19 0.29
Garmin 620 (3.30) 1130 1.92% (101.6 Ft/Mile, 19.2 m/Km) 2.82% (148.7 Ft/Mile, 28.2 m/Km) 3.90% (206.0 Ft/Mile, 39.0 m/Km) 0:42 0:26 0.38 0.58
Suunto Ambit2 R 2.0.7 1023 1.16% (61.3 Ft/Mile, 11.6 m/Km) 2.79% (147.3 Ft/Mile, 27.9 m/Km) 4.29% (226.7 Ft/Mile, 42.9 m/Km) 0:46 0:28 0.23 0.35
Samsung Galaxy S3 832 1.51% (79.7 Ft/Mile, 15.1 m/Km) 3.00% (158.7 Ft/Mile, 30.0 m/Km) 4.37% (231.0 Ft/Mile, 43.7 m/Km) 0:47 0:29 0.30 0.45
Garmin 920XT 755 2.58% (136.2 Ft/Mile, 25.8 m/Km) 2.41% (127.1 Ft/Mile, 24.1 m/Km) 4.13% (218.1 Ft/Mile, 41.3 m/Km) 0:45 0:27 0.52 0.77
Footpod (uncalibrated) 3666 2.36% (124.5 Ft/Mile, 23.6 m/Km) 3.70% (195.4 Ft/Mile, 37.0 m/Km) 4.44% (234.5 Ft/Mile, 44.4 m/Km) 0:48 0:29 0.47 0.71
Polar RC3 GPS 1126 1.85% (97.8 Ft/Mile, 18.5 m/Km) 3.81% (201.3 Ft/Mile, 38.1 m/Km) 5.09% (268.8 Ft/Mile, 50.9 m/Km) 0:55 0:34 0.37 0.56
TomTom Cardio Runner (1.8.5) 960 3.37% (177.8 Ft/Mile, 33.7 m/Km) 2.53% (133.7 Ft/Mile, 25.3 m/Km) 4.75% (250.8 Ft/Mile, 47.5 m/Km) 0:51 0:31 0.67 1.01
Garmin Fenix 2 (3.30) 1111 2.86% (150.9 Ft/Mile, 28.6 m/Km) 2.86% (151.2 Ft/Mile, 28.6 m/Km) 5.64% (297.8 Ft/Mile, 56.4 m/Km) 1:01 0:37 0.57 0.86
Garmin 920XT (GLONASS) 712 3.51% (185.1 Ft/Mile, 35.1 m/Km) 2.77% (146.0 Ft/Mile, 27.7 m/Km) 5.32% (280.7 Ft/Mile, 53.2 m/Km) 0:57 0:35 0.70 1.05
Garmin Epix 592 3.36% (177.6 Ft/Mile, 33.6 m/Km) 3.22% (170.1 Ft/Mile, 32.2 m/Km) 5.74% (303.2 Ft/Mile, 57.4 m/Km) 1:02 0:38 0.67 1.01
Garmin 620 (pre-v3.30) 3261 3.33% (175.9 Ft/Mile, 33.3 m/Km) 4.54% (239.9 Ft/Mile, 45.4 m/Km) 6.20% (327.6 Ft/Mile, 62.0 m/Km) 1:07 0:41 0.67 1.00
Garmin 10 1040 3.89% (205.4 Ft/Mile, 38.9 m/Km) 3.08% (162.4 Ft/Mile, 30.8 m/Km) 5.92% (312.3 Ft/Mile, 59.2 m/Km) 1:04 0:39 0.78 1.17
Garmin Fenix 2 (pre-v3.30) 4319 2.81% (148.3 Ft/Mile, 28.1 m/Km) 4.64% (244.9 Ft/Mile, 46.4 m/Km) 6.80% (359.0 Ft/Mile, 68.0 m/Km) 1:13 0:45 0.56 0.84
Garmin Epix with GLONAS+WAAS (provisional) 94 3.41% (179.9 Ft/Mile, 34.1 m/Km) 3.39% (179.0 Ft/Mile, 33.9 m/Km) 7.19% (379.8 Ft/Mile, 71.9 m/Km) 1:18 0:47 0.68 1.02
Polar M400 1357 4.80% (253.2 Ft/Mile, 48.0 m/Km) 3.30% (174.0 Ft/Mile, 33.0 m/Km) 7.08% (373.8 Ft/Mile, 70.8 m/Km) 1:16 0:47 0.96 1.44
All 38594 1.43% (75.7 Ft/Mile, 14.3 m/Km) 4.11% (217.2 Ft/Mile, 41.1 m/Km) 4.76% (251.2 Ft/Mile, 47.6 m/Km) 0:51 0:31 0.29 0.43
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