Track your rides and runs via your iPhone, Android or GPS device, analyze your performance, and compare with friends.
If you try to win you might lose, but if you don't try to win you will certainly lose. A little insight into the hardest 1 day race in the US. http://www.duratatraining.com/community/?p=1933rel=
|Total Time||3849h 54m|
|Total Elev Gain||4,874,219ft|