I Ran 31 Marathons in 31 Days With Prosthetic Legs

On November 11, six years after losing both of his legs to an IED in Afghanistan, Rob Jones completed his latest mission: Run 31 marathons…

I Ran 50 Marathons in 50 Days, and I Can’t Imagine Ever Slowing Down

Ultra-runner Dean Karnazes, the second of our four gluttons for punishment, explains why he’ll never hang up his running shoes