For Sarah Porter, a human rights advocate and ultrarunner drawn to extreme physical and mental tests, participation in ...

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

A British woman has been withdrawn from an ultramarathon after receiving death threats. Sarah Porter was 30 miles through the ...

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 ...

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," ...

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, ...