A British woman has been withdrawn from an ultramarathon after receiving online threats to behead her. Sarah Porter was 30 miles through the 108-mile Montane Winter Spine Challenger South endurance ...

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," ...

Anna Troup completes the 268-mile (430km) race in 106 hours, 19 minutes and 12 seconds.

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 ...

Sarah Porter was running 108-mile Montane Winter Spine Challenger South race when security team had to disable tracking device ...

"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 ...

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 ...

Ready to run an ultramarathon? Intrigued, but terrified? Ultra running might sound intimidating, but with a little ...

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, ...