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

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

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

One of the joys of running is how much you can control. Sometimes letting go is even better.

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

If you came in search of motivation today then you have come to the right place. David Park started running around 450 days ago and worked out like David ...

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

The research, published today in Current Biology, showed that ultramarathoners can burn an astounding 11,000 calories per day ...

Sometime in the past couple of decades, the idea of running a marathon became less crazy. Since Oprah Winfrey finished the Marine Corps Marathon in 1994, millions of average Joes and Janes have ...

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

An ultramarathon runner has "unboxed her feet" after one of her gruelling 100-mile races – and the footage has gone viral.

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," ...