Barefooting around an indoor track

It was wayyy too cold on Saturday morning to run, so Jessica and I went to an indoor track in North Haven. 1 lap = 1/13 of a mile. I ran a couple of miles in socks only. My feet and lower legs are still pretty sore, especially the bottoms of my feet from the friction. I never get this soreness running in Nike Frees. Hmmm. False advertisement?