Dean Karnazes, known for extreme ultrarunning feats, shares insights into mental toughness and redefining success in ...

An ultramarathon runner overcame an early injury, sleep deprivation and steep terrain to complete an astounding 2,189-mile (3,523 kilometers) run along the Appalachian Trail in 46 days and 8 hours, ...

About 70 runners and volunteers were stranded overnight on a remote Utah ultramarathon course as heavy rain and worsening ...

High-altitude marathon? Not for Wesley Lavender. Lavender, 36, lives in Colorado Springs, average elevation some 6,000 feet above sea level. Sunday morning in Albuquerque, average elevation about ...

If you ever wanted to know what it's like to combine Taco Bell with an ultramarathon, you're in luck.

A one-inch desert creek swelled into a dangerous torrent in 10 minutes.

Please provide your email address to receive an email when new articles are posted on . Ultramarathon running in combination with restricted energy intake can impact reproduction. But ultramarathon ...