One of the world's most rigorous − and bizarre − athletic competitions happens in East Tennessee. Those closest to it see it ...

There's little official information online about the Barkley Marathons, including when they are. That made reporting on the event tricky.

Every year, 40 of the world's most seasoned endurance athletes gather at Frozen Head State Park in Tennessee for what many consider the most punishing race on the planet. The Barkley Marathons spans ...

For the second straight year, no one conquered Tennessee's Barkley Marathons, the cult ultrarace designed to break even the sport's elite. Some 40 runners from 15 states and 15 countries set out ...

The Barkley Marathon is a brutal race in which runners have 60 hours to cover 100 miles of unmarked terrain in Frozen Head ...

The Barkley Marathons is a brutal race in which runners have 60 hours to cover 100 miles of unmarked terrain in Frozen Head ...