An interview with Chris McDougall about his latest book, "Natural Born Heroes."
An in-depth film documenting the lives of the Tarahumara Indian tribe that inspired a barefoot running movement in the U.S.
The company's aim is to broaden the scope of endurance sports event coverage while providing race directors a new level of safety.
These eight are always at the start line.
The major motion picture could start production this year.
It's her second age-group record in 2015 alone.
Bernard Lagat sets the masters world record at the 5K road distance.
Two-time defending champions Chris Mocko and Elle Pishny finish third and second, respectively.
New online tool provides the most up-to-date information on current and past drug cheats.
After a blazing U.S. Half Marathon Championship, Estrada seeks a record-setting time at the Carlsbad 5000.