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* I did not get on well with the 3.75 mile course. That distance was far longer than the other 24 hour races I've done, and probably needed more adaption of my logistics. I never felt that I hit a rhythm in the race. Only hydrating once per lap did not work as well as it would have on a shorter course, but it did not seem long enough to justify carrying a drink with me. I stayed reasonably well hydrated on my [[Fellrnr's Go Juice|Go Juice]], drinking somewhere between 2.5 and 5 gallons over the 13 hours as one or two 16oz bottles per lap. (I also ate two Oreo cookies and 5-6 Gel packs in the race.)
* For some of the race, I noticed that I was breathing a little more deeply than was normal for my heart rate, and on walking breaks I felt a little light headed, as if my blood pressure was low. I'm not sure what the cause of this would be.
* I took less caffeine [[Caffeine]] during the race than I would have on a normal work day, and I may have suffered from some caffeine withdrawal. Sometimes I will come off caffeine in the two weeks before a race to avoid this, but not this time. There is conflicting research on how exercise changes the rate of caffeine metabolism, but I think that at low intensity the clearance rate is higher than normal and at high intensities, it is lower than normal.
* I had some pain around my Achilles (actually [http://emedicine.medscape.com/article/86297-overview Retrocalcaneal Bursitis]) that might be due to wear on my [[Modified Nike Free]] shoes which have around 1,000 miles on them. Some slight wear on the heels may have created a 'negative drop' shoe that puts extra stress on the Achilles.
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