Ultrarunning

Outdoor adventurer Paddy O’Connel made a goal for himself when he turned 40: run an ultramarathon. Can he do it? Watch to find out.

Vomiting, exhaustion, pain—for most of the 2,800 runners toeing the start line, completing UTMB under the 46.5-hour cutoff is no small feat. Here’s how some American age-group runners got it done.

The strangest and most distinct snacks we can’t live without when we’re on the trail all day

After being backed by a partial ambassador athlete deal, Rod Farvard signs a full sponsorship contract with Hoka

After dropping out of OCC last year, Sullivan has rebounded by adding mileage to her training and racing longer distances

With the Ultra-Trail du Mont-Blanc (UTMB) events on the horizon, the Super Bowl of ultraunnning, we look at eight notable elite-level triathletes who made the switch to ultra

'A Team Sport' highlights how the 39-year-old athlete from Leadville, Colorado, is redefining the boundaries of trail running and inspiring a new generation of athletes.

All eyes will be on three-time winner Jim Walmsley, but he'll face stiff competition in his first American ultra in two years from a deep field of veterans and newcomers

How Diana Fitzpatrick, president of the Western States Endurance Run Board, guides the oldest 100-miler

There are three uber-competitive races, a new 18K race, a bevy of top-tier athletes, and nearly 3,000 total entrants at this action-packed weekend