As events as big as the Olympic Trials get rescheduled because of heat, we went to the science to find out how you should decide when it is too hot to run safely
The Australian WorldTour pro bikepacked the route from Brest to Paris
After two more star runners have been excluded by World Athletics’ policy, the governing body will have to reap what it has sown
Amid a national conversation about race, colonialism, and justice, Native mappers and runners are reclaiming Indigenous cartography, names, and land
A new study shows measurable gains in strength from a purely imaginary training program
On June 20, adaptive athletes Vasu Sojitra and Pete McAfee pulled off what is believed to be a historic first in ski mountaineering
With Rule 40 restrictions looming, this is the time for athletes to tout their sponsors
Despite their differences, climbing’s most famous besties get along because they share the same convictions, support each other’s harebrained schemes, and, of course, engage in some good-natured smack talk
We asked movers and shakers in different corners of the outdoor world about what people can do to make certain spaces and sports more welcoming for all
The multiple American record holder is a huge fan favorite—does that give us a biased view of her case?
Mason Earle was scaling iconic rock faces when he was diagnosed with a chronic illness. Now he faces his greatest test of endurance.
The former Harvard rower is making the most of a six-month sabbatical from his new job at Zwift
Exercise causes pain, but it also dulls it. Researchers are still trying to understand how that works.
After 21 ultrarunners died in a trail race in May, the Chinese government responded dramatically, and many are worried about the future of the adventure sports boom that’s been taking place there
Hobbs Kessler is taking the running world by storm
A new study tests how much cycling it takes to maximize cognitive function in endurance athletes
How the climbing phenom works to equalize entry for young climbers
Incorporating steep inclines into your training can help improve strength, agility, endurance, and more