The Olympic track star attempted the tough obstacle course on the NBC game show.
We asked Olympian Nick Symmonds a simple question: Why do you run?
This exercise will engage, activate, stabilize and strengthen the muscles behind you.
The Olympian moves on to his next (and surprisingly non-running related) venture.
Chris Kimbrough breaks the first women's beer mile world record in 17 years.
The two-time Olympian describes his experience qualifying for a second Olympic team.
Mary Cain wins women's 1500m final for second-straight year.
The outspoken athlete and activist ran and wrote all winter, and will release his first book about his life in track and field this summer.
See what some of the best athletes from the track, roads and trail want to accomplish this year.