Track your rides and runs via your iPhone, Android or GPS device, analyze your performance, and compare with friends.
Very impressive. Massive effort. You can have the rest of the day off!
Great thanks. Trust me I will be barely moving for the rest of the day no matter what.
What a pro!! Such big big hills too. Must have legs of steal
Good on you too Nat!
Only people who hate themselves could possibly endure this.
But for real this is mindblowing.