Another Tace Bell-fuelled 50K ultramarathon is now set for Washington, DC, and hundreds of fast-food athletes are already ...

An ultramarathon runner has broken the women's record at a race in the United States where she ran almost 400 miles in 95 ...

The race cancellation was another example of the impact of the federal shutdown on national parks in the Bay Area.

If you—like me—have absolutely nothing to do on November 29 and feel desperate to ruin both your stomach and legs, then local ...

The 8th edition of the International Taco Bell 50k Ultramarathon took place in Denver on Saturday, Oct. 4, 2025.

Scientists have long hypothesized about a theoretical limit to human energy use. The research, published today in Current ...

Joe Goodkin, a full-time musician and ultra-endurance runner, is preparing for his first 100-mile race, the Tunnel Hill Ultra ...

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," ...

Here are five stories you might have missed this week. An attempt to retrieve a goat, stranded at the bottom of a bridge arch ...

Six weeks after her Valentine’s Day run, Renee did another 50-mile fundraising ultramarathon in her neighborhood, this time for research into a rare disease affecting a friend. Over the last 42 years, ...