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
The collegiate champion and Canadian record holder reveals why he’s stronger than ever after a year without racing, how his training has changed, and some go-to workouts.
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
Hobbs Kessler is taking the running world by storm
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 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
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
‘Girls Gotta Eat Dirt’ isn’t your typical #inspirational stoke video
A hard carrying case is being issued to solve potential issues with DSP beacons switching modes accidentally
He’s not only one of the fastest cyclists in the country—he’s also one of the sport’s most outspoken champions for diversity. But his mission has morphed into the greatest moon shot of all: to bring bike racing to the American masses.
The legendary skier anoints a successor, Breezy Johnson, to the title she held for years
It’s like mountain biking—except on skates without brakes
After 2020, holding the event at all will be a victory in itself
You’re actively running and cycling, but your partner’s on the sidelines. Here are tips on coping with this challenging dynamic.
This view is mind-blowing, but one wrong move could send most riders careening down hundreds of feet
In a new documentary from director Caroline Treadway, athletes like Emily Harrington and Kai Lightner open up about their path to recovery
At the 2019 World Championships, researchers gave marathoners and racewalkers swallowable thermometer pills and used thermal cameras to assess the effectiveness of hydration and cooling techniques in the heat of competition
A new study explores how inner monologue varies between sports, situations, and experience levels
When faced with the decision to take racing to the next level, Colin Strickland chose his own path