Only one runner, Michael Wardian, a 51-year-old from Arlington, Virginia, holds the record for the fastest time accomplishing the feat.

We bet you didn't expect ramen and Cheetos to make the list.

Find ultramarathon training plans and guidance from beginners to advanced. Learn how, when, and where to train to make the ...

Camille Herron, 42, is one of the world's top ultramarathon runners, having set 12 world records and becoming the youngest woman to reach 100,000 lifetime running miles. But now, the American athlete ...

Hey! I'm Elizabeth; an Olympic skier, a semi-competitive runner, and a third-time Burning Man participant. Burning Man, held in Nevada's Black Rock City, transforms a desert into a vibrant city each ...

Scientists have released a study on world-record holding ultramarathoner Juan López García that aimed to understand how he’s ...

"I guess I gotta keep going or else it'll probably come back for me," Dean Karnazes told his followers in a video taken just moments after being attacked by a coyote on a 150-mile run Charmaine ...

Discover what ultramarathon runners eat to run 100 miles. This ultra runner enjoys avocados and bison bars, and follows a ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

Stephanie Case won an ultramarathon race in Wales, running more than 60 miles over rough terrain — and stopping three times to breastfeed her 6-month-old baby, Pepper. In the sport of ultrarunning, ...

ALBUQUERQUE, N.M. (KRQE) – When this Santa Fe Public School teacher talks to her students about dedication and going the extra mile, she’s not just talking the talk; she’s also walking the walk. This ...