The human body is capable of amazing physical deeds. If we could just free ourselves from our perceived limitations and tap into our internal fire, the possibilities are endless.

When I ran across America, for 75 days I ate 10,000 calories a day. I still lost about five pounds.

A lot of ultramarathoners are soloists. They're single and live lives off the grid.

I'm not trying to take more of the pie for myself. I'm trying to make the pie larger for everyone.

Want a strong, solid relationship that is willing to go the distance? Get to know your running shoes.

Struggling and suffering are the essence of a life worth living. If you're not pushing yourself beyond the comfort zone, if you're not demanding more from yourself - expanding and learning as you go - you're choosing a numb existence. You're denying yourself an extraordinary trip.

I've raced on all seven continents at least twice. I've probably run thousands of races. But the single race that I'm most proud is a 10K. Yes, a 10K. I ran it with my daughter on her 10th birthday.