GPS Accuracy-statistics
From Fellrnr.com, Running tips
Revision as of 19:49, 6 August 2015 by User:Fellrnr (User talk:Fellrnr | contribs)
| Device | Count | Trueness (Average Distance Error) |
Standard Deviation (From mean) |
Standard Deviation (From true) |
Repeatability | Pace Error (95%) | Distance Error | ||
|---|---|---|---|---|---|---|---|---|---|
| (from 9:00 min/mile) | (from 5:30 min/Km) | (20 miles) | (30 Km) | ||||||
| Footpod (calibrated) | 3724 | 0.13% (6.8 Ft/Mile, 1.3 m/Km) | 2.33% (123.2 Ft/Mile, 23.3 m/Km) | 2.34% (123.4 Ft/Mile, 23.4 m/Km) | 2.26% (119.5 Ft/Mile, 22.6 m/Km) | 0:25 | 0:15 | 0.03 | 0.04 |
| Polar V800 | 1943 | 0.39% (20.8 Ft/Mile, 3.9 m/Km) | 2.64% (139.2 Ft/Mile, 26.4 m/Km) | 2.67% (140.7 Ft/Mile, 26.7 m/Km) | 1.79% (94.4 Ft/Mile, 17.9 m/Km) | 0:29 | 0:18 | 0.08 | 0.12 |
| iPhone 5s | 516 | 0.14% (7.6 Ft/Mile, 1.4 m/Km) | 2.89% (152.4 Ft/Mile, 28.9 m/Km) | 2.89% (152.6 Ft/Mile, 28.9 m/Km) | 2.10% (110.8 Ft/Mile, 21.0 m/Km) | 0:31 | 0:19 | 0.03 | 0.04 |
| Suunto Ambit2 R new | 547 | 1.03% (54.2 Ft/Mile, 10.3 m/Km) | 2.73% (144.3 Ft/Mile, 27.3 m/Km) | 2.92% (154.2 Ft/Mile, 29.2 m/Km) | 2.22% (117.0 Ft/Mile, 22.2 m/Km) | 0:32 | 0:19 | 0.21 | 0.31 |
| Garmin 205 | 1125 | 0.47% (24.9 Ft/Mile, 4.7 m/Km) | 3.14% (166.0 Ft/Mile, 31.4 m/Km) | 3.18% (167.9 Ft/Mile, 31.8 m/Km) | 2.43% (128.1 Ft/Mile, 24.3 m/Km) | 0:34 | 0:21 | 0.09 | 0.14 |
| Garmin 910XT with Footpod | 725 | 1.28% (67.8 Ft/Mile, 12.8 m/Km) | 2.94% (155.4 Ft/Mile, 29.4 m/Km) | 3.21% (169.6 Ft/Mile, 32.1 m/Km) | 2.26% (119.5 Ft/Mile, 22.6 m/Km) | 0:35 | 0:21 | 0.26 | 0.39 |
| iPhone 4s | 956 | 0.90% (47.3 Ft/Mile, 9.0 m/Km) | 3.12% (164.9 Ft/Mile, 31.2 m/Km) | 3.25% (171.6 Ft/Mile, 32.5 m/Km) | 2.56% (135.4 Ft/Mile, 25.6 m/Km) | 0:35 | 0:21 | 0.18 | 0.27 |
| Garmin 310XT with Footpod | 3724 | 0.62% (33.0 Ft/Mile, 6.2 m/Km) | 3.30% (174.1 Ft/Mile, 33.0 m/Km) | 3.36% (177.2 Ft/Mile, 33.6 m/Km) | 2.84% (149.7 Ft/Mile, 28.4 m/Km) | 0:36 | 0:22 | 0.12 | 0.19 |
| iPhone 5s (Alt) | 657 | 1.31% (69.2 Ft/Mile, 13.1 m/Km) | 3.11% (164.0 Ft/Mile, 31.1 m/Km) | 3.37% (178.0 Ft/Mile, 33.7 m/Km) | 2.28% (120.5 Ft/Mile, 22.8 m/Km) | 0:36 | 0:22 | 0.26 | 0.39 |
| Garmin 610 | 2085 | 1.77% (93.3 Ft/Mile, 17.7 m/Km) | 3.14% (165.9 Ft/Mile, 31.4 m/Km) | 3.61% (190.3 Ft/Mile, 36.1 m/Km) | 2.19% (115.7 Ft/Mile, 21.9 m/Km) | 0:39 | 0:24 | 0.35 | 0.53 |
| Garmin 620 (3.30) | 1130 | 1.76% (92.9 Ft/Mile, 17.6 m/Km) | 3.28% (173.1 Ft/Mile, 32.8 m/Km) | 3.72% (196.5 Ft/Mile, 37.2 m/Km) | 2.72% (143.9 Ft/Mile, 27.2 m/Km) | 0:40 | 0:25 | 0.35 | 0.53 |
| TomTom Cardio Runner (1.8.42) (provisional) | 189 | 2.38% (125.7 Ft/Mile, 23.8 m/Km) | 3.16% (166.9 Ft/Mile, 31.6 m/Km) | 3.96% (209.1 Ft/Mile, 39.6 m/Km) | 1.61% (85.1 Ft/Mile, 16.1 m/Km) | 0:43 | 0:26 | 0.48 | 0.71 |
| Garmin 920XT | 755 | 2.48% (131.2 Ft/Mile, 24.8 m/Km) | 3.11% (164.0 Ft/Mile, 31.1 m/Km) | 3.98% (210.1 Ft/Mile, 39.8 m/Km) | 2.30% (121.7 Ft/Mile, 23.0 m/Km) | 0:43 | 0:26 | 0.50 | 0.75 |
| Garmin 310XT no Footpod | 1944 | 0.93% (49.0 Ft/Mile, 9.3 m/Km) | 3.89% (205.3 Ft/Mile, 38.9 m/Km) | 4.00% (211.1 Ft/Mile, 40.0 m/Km) | 3.48% (183.7 Ft/Mile, 34.8 m/Km) | 0:43 | 0:26 | 0.19 | 0.28 |
| Suunto Ambit2 R old | 1023 | 1.13% (59.4 Ft/Mile, 11.3 m/Km) | 3.98% (210.4 Ft/Mile, 39.8 m/Km) | 4.14% (218.6 Ft/Mile, 41.4 m/Km) | 2.62% (138.1 Ft/Mile, 26.2 m/Km) | 0:45 | 0:27 | 0.23 | 0.34 |
| Samsung Galaxy S3 | 832 | 1.28% (67.7 Ft/Mile, 12.8 m/Km) | 4.00% (211.4 Ft/Mile, 40.0 m/Km) | 4.20% (222.0 Ft/Mile, 42.0 m/Km) | 2.91% (153.5 Ft/Mile, 29.1 m/Km) | 0:45 | 0:28 | 0.26 | 0.38 |
| Footpod (uncalibrated) | 3724 | 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) | 3.75% (198.1 Ft/Mile, 37.5 m/Km) | 0:49 | 0:30 | 0.49 | 0.74 |
| TomTom Cardio Runner (1.8.5) | 960 | 3.37% (178.0 Ft/Mile, 33.7 m/Km) | 3.24% (171.3 Ft/Mile, 32.4 m/Km) | 4.68% (247.1 Ft/Mile, 46.8 m/Km) | 2.26% (119.3 Ft/Mile, 22.6 m/Km) | 0:51 | 0:31 | 0.67 | 1.01 |
| Polar RC3 GPS | 1127 | 1.78% (93.9 Ft/Mile, 17.8 m/Km) | 4.62% (244.1 Ft/Mile, 46.2 m/Km) | 4.95% (261.6 Ft/Mile, 49.5 m/Km) | 3.55% (187.4 Ft/Mile, 35.5 m/Km) | 0:54 | 0:33 | 0.36 | 0.53 |
| Garmin 920XT (GLONASS) | 712 | 3.37% (178.0 Ft/Mile, 33.7 m/Km) | 3.78% (199.4 Ft/Mile, 37.8 m/Km) | 5.06% (267.4 Ft/Mile, 50.6 m/Km) | 2.64% (139.4 Ft/Mile, 26.4 m/Km) | 0:55 | 0:33 | 0.67 | 1.01 |
| Garmin Fenix 2 (3.30) | 1111 | 2.68% (141.4 Ft/Mile, 26.8 m/Km) | 4.61% (243.3 Ft/Mile, 46.1 m/Km) | 5.33% (281.4 Ft/Mile, 53.3 m/Km) | 2.77% (146.1 Ft/Mile, 27.7 m/Km) | 0:58 | 0:35 | 0.54 | 0.80 |
| Epix | 686 | 3.34% (176.4 Ft/Mile, 33.4 m/Km) | 4.50% (237.7 Ft/Mile, 45.0 m/Km) | 5.61% (296.1 Ft/Mile, 56.1 m/Km) | 3.01% (158.8 Ft/Mile, 30.1 m/Km) | 1:01 | 0:37 | 0.67 | 1.00 |
| Garmin 10 | 1041 | 3.87% (204.2 Ft/Mile, 38.7 m/Km) | 4.31% (227.6 Ft/Mile, 43.1 m/Km) | 5.79% (305.8 Ft/Mile, 57.9 m/Km) | 2.87% (151.4 Ft/Mile, 28.7 m/Km) | 1:03 | 0:38 | 0.77 | 1.16 |
| Garmin 620 (pre-v3.30) | 3262 | 3.28% (173.4 Ft/Mile, 32.8 m/Km) | 5.17% (273.1 Ft/Mile, 51.7 m/Km) | 6.13% (323.5 Ft/Mile, 61.3 m/Km) | 4.29% (226.7 Ft/Mile, 42.9 m/Km) | 1:06 | 0:40 | 0.66 | 0.99 |
| Garmin Fenix 2 (pre-v3.30) | 4321 | 2.77% (146.3 Ft/Mile, 27.7 m/Km) | 6.12% (323.1 Ft/Mile, 61.2 m/Km) | 6.72% (354.7 Ft/Mile, 67.2 m/Km) | 4.57% (241.3 Ft/Mile, 45.7 m/Km) | 1:13 | 0:44 | 0.55 | 0.83 |
| Polar M400 | 1358 | 4.71% (248.8 Ft/Mile, 47.1 m/Km) | 5.08% (268.0 Ft/Mile, 50.8 m/Km) | 6.93% (365.7 Ft/Mile, 69.3 m/Km) | 3.01% (159.1 Ft/Mile, 30.1 m/Km) | 1:15 | 0:46 | 0.94 | 1.41 |
