New research fine-tunes the details of heat adaptation

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

When an elite cyclist attempts to ride a bike as far as possible in an hour, one thing is guaranteed: they will hurt like never before

Amid a national conversation about race, colonialism, and justice, Native mappers and runners are reclaiming Indigenous cartography, names, and land

The 44-year-old is ready to take on the world’s best marathoners at the Tokyo Olympics.

A new study shows measurable gains in strength from a purely imaginary training program

Elevate your strength routine with this effective, versatile tool

On June 20, adaptive athletes Vasu Sojitra and Pete McAfee pulled off what is believed to be a historic first in ski mountaineering

We may be closer to answering lingering questions around concussions. Plus, we provide a rundown of the most common head injuries—and what you need to know about them.

Amity Rockwell says, “Cycling is this thing I’m never going to figure out,” which helps remove the pressure of winning Unbound

With Rule 40 restrictions looming, this is the time for athletes to tout their sponsors

Jordan Cannon found the courage to share his true self in an unlikely place: on the face of Yosemite’s El Capitan, with his hero

Instead of focusing on joint angles and limb movements, a new study takes a holistic approach to the biomechanics of elite runners

Dealing with discomfort isn’t a magical gift. It’s a skill, and you can improve at it.

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

Tuliamuk had secured her spot in the Tokyo Olympics—then 2020 happened. Fortunately, she’s always run for more than just the medals.

New research sifts through the evidence to figure what types of intervals make you fastest

The multiple American record holder is a huge fan favorite—does that give us a biased view of her case?

Will Trials of Miles’ scrappy approach work after COVID? 

The mile isn’t just another race distance. It’s almost its own sport.

All types of athletes can benefit from quicker instincts

A DIY almond—or cashew, or sunflower—spread should be a staple in any kitchen

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

In a new event for Outside+ members, meet and train with the stars of Team USA

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

A special 30-day series celebrating nonprofits working for LGBTQ+ inclusivity

A new study tests how much cycling it takes to maximize cognitive function in endurance athletes

Since Mary Cain spoke out about the Nike Oregon Project in 2019, a growing wave of young runners have come forward with their own allegations of negligent coaching and toxic team cultures across the sport

How the climbing phenom works to equalize entry for young climbers

Choosing whether or not to have children can be difficult for many women. For Amelia Boone, an elite athletic career and her ongoing eating disorder recovery have made it even more complicated.

Incorporating steep inclines into your training can help improve strength, agility, endurance, and more

Long-distance running has exploded there, but responsible oversight of trail races has been extremely inconsistent—including, it seems, at the event last weekend in Gansu Province, where 21 runners died in a sudden storm

Outdoor athlete Alex Showerman spent years trying to escape a secret about herself, only to crash headlong into it

‘Nike’s Big Bet’ argues that the banned coach is too important to the company’s image

Why you should perfect the humble plank before programming sport-specific core exercises

A new study looks for adaptations in the placenta, and finds positive effects from exercise during pregnancy

The North Face’s new Explore Fund Council, led by Jimmy Chin and Lena Waithe, has big plans—and a big budget—to make the outdoors more inclusive

Researchers are searching for telltale clues in your strength, flexibility, or body position that signal an impending injury. It’s harder than you think.

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