Five questions with the Santa Fe–based ultrarunner about coaching high schoolers, running backyard ultras, and staying focused while out on the trail

In an exclusive excerpt from the book by the men who led the quest to solve the mystery of George Mallory's disappearance, the authors for the first time reveal the evidence they uncovered—and offer their chilling re-creation of Mallory and Irvine's last hours.

The tragedy offers some sobering lessons for anyone who spends time outdoors

This new thru-hike has no beginning or end—but it does have everything else, from deep wilderness to late-night parties.

Successful ascents of the Moonwalk Traverse and Saraghrar’s Northwest Face, as well as Annapurna III’s Southeast Ridge, were recognized in Briançon, France, in November 2022

Recovery from substance use disorder, for Gregory Gourdet, involves running. Here’s how he nourishes himself before hitting the trail.

In this free-to-read feature from Ascent, one lifelong climber reflects on mortality and the opportunity for renewal

Or at least the nickel in iPads and other gadgets

Whether you’re hiking over rough terrain or going for a walk around the block, rucking is an easy way to add in resistance training

Short workouts can make you stronger, but longer workouts are better for building muscle, according to new research