Growing Bolder Community

When Tony Mixon learned he suffered from a rare genetic disease that causes tumors to grow throughout his body, he didn't feel sorry for himself. He decided to put himself on the line to run for what he couldn't run from.

What drives an extreme athlete? Find out from Ellyn Brown, a 54-year-old Alaskan who is the U.S. mountain running champ and one of the best snow shoe racers alive.

A former Olympic marathon runner says he can turn anyone -- even you! -- into a marathoner. Find out how you could be crossing the finish line in just a few months.

Ray Zahab is one of the most amazing people you've probably never heard of. Find out how he went from coach potato to setting a world record in the world's most extreme place.

Why is triathlon one of the fastest growing sports in the U.S.? And why is the 40-plus crowd the fastest-growing segment? It's the Growing Bolder spirit.

Liz Palmer has one message for you -- erase the phrase "I'm too old" from your vocabulary forever. She took that message to heart and returned to track and field after a 25-year layoff. She's now the fastest female sprinter over 50 in human history.