evergreen

It might not just be training fatigue, and a simple test can help you get back to your best.

During a chaotic week of high-octane racing, this 300-kilometer event over glaciers and via ferratas remains refreshingly true to the mountain spirit. Chamonix resident and 2025 PTL racer Doug Mayer explains.

Just signed up for a half marathon? Panic training for one you registered for months ago? Here’s how to race 13.1 miles at the last minute.

It’s the golden era of electrolytes. But do you need special products or just a balanced (and salty) diet?

Using a patient approach and a major push through the second half of a brutal day (and night) of racing, Ruth Croft of New Zealand has won the 2025 UTMB, dethroning three-time champion Courtney Dauwalter. Read how it all played out.

Tom Evans has won the 2025 UTMB men's race, and Ruth Croft has won the women's event. Outside Run is on location in Chamonix, France, with behind-the-scenes coverage.

Hoka’s latest super shoe trail racer delivers a responsive, comfortable, stable, and speedy ride—just keep it on smooth, hard-packed dirt.

We tapped three expert coaches to learn about their most creative, unusual, yet effective training sessions.

A play-by-play of the iconic course from our European correspondent Doug Mayer, plus tips from some of the best American ultrarunners to race it.

Avoid fatigue, boost recovery, and run your best with an optimized long run nutrition strategy.