One of the fastest growing race series in triathlon, TOUGHMAN has been gaining popularity fo...

Tony Kanaan does more than drive a racecar fast and drink milk at the finish line--he also s...

By Michael Nystrom

Check out 25 of the most unique off-road runs in the U.S.

By Nancy Hobbs

Build your endurance in 20 minutes by adding short workouts to your training.

By Davina Lewis

Make sure the transitions don't break you on race day. Here's how to incorporate brick worko...

By Davina Lewis

If you want to see your running times improve, it's time to get familiar with interval worko...

By Davina Lewis