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They’re dorky, antisocial, and dangerous. So should we outlaw them?

With in-person events and online campaigns, these six women are creating a new space for black women in the distance-running community

What do your $250 sneakers say about you?

Physiologist Alena Grabowski is studying whether prostheses give athletes a competitive advantage

Planning to pound out winter miles? Turn to these.

Apparel and accessories to get you through your chilliest runs

Apparel and accessories to get you through your chilliest runs

Finally, gearmakers are getting that not all female athletes are a size 6—and they’re designing performance apparel to reflect that

Your next event can tell us a lot about the warming planet

That run or bike commute might impact you more than you think

From Jaybird’s ‘Run Wild’ series, Chapter 4 profiles a group of female trail runners tackling the peaks around Chamonix.

Athletes break down their nutrition rituals.

Sunday’s race will be a treat for running fans

These favorites fit larger-busted women without squishing or bunching up

Embracing fringe season means preparing for everything

She won Olympic gold in a sport that chose her. Can she do the same in the one she truly loves?

There are a lot of obscure ingredients in Gu gels. Here's what they actually do for you.

Smear some on and hit the trail

Jakob Ingebrigtsen became a “professional” runner as a child. Is that a recipe for future success?

Hitting the trails with your pup is easier when you know what to pack. Five pro athletes share their favorite picks.

The man who raised the possibility of the feat back in 1991 takes another look into the crystal ball

Save yourself the aches and pains

Perform your best with these top picks

From dialed fits and soft, wicking materials to intelligently placed pockets, these vests have the features to carry (and offer up) your kit more comfortably

A cotton-alpaca wool blend gives this top the feel of your favorite everyday knit with the technical properties you need to run

From onesies to tanks, these performance delicates will keep you comfortable

Screaming quads don’t stand a chance

Things to consider when you head out in the dark

A stunning world record of 2:01:39 resets our understanding of what it means to run 26.2 miles.

Stephan Mulherin moved to Jackson Hole in 2017 and quickly set his sights on the fastest known time for summiting the Grand Teton.

Aziza Raji grew up running with her brothers, but when they refused to actually race her, she shifted her focus toward marathons.

U.S. women runners are on fire right now. Why are most of them coached by men?

New research zeroes in on an unlikely culprit for why running gets less efficient as you fatigue.

He’ll win anyway, but we should also hope that Eliud "Boss Man" Kipchoge runs a world record

Because running doesn’t have to be dorky

Sue Johnston has been setting FKTs for decades and inspired a generation of ultrarunners along the way. If you've never heard her name before, that's by design.

These organizations want to help you tick that big once-in-a-lifetime trip off your list

Here's the secret to a long life: keep moving

‘Is This Fun’ follows ultrarunners John Ellis and Jo Kyaw as they compete in the 9 Dragons Ultra race in Hong Kong.

Our running columnist is an expert in the track and road running scenes, but the ultra world isn’t exactly his beat. He dove in head first at UTMB.

Most sports aren't that complicated. You can usually boil them down into one simple rule. (OK, maybe two.)

Support your girls with some of our staff favorites

The best runs, rides, climbs, and places to refuel in the city of eternal summer

The best way to raise capable kids is to fuel their love of games—and stop forcing them to compete against each other

When we truly let our children run free, the only guarantee is that they will surprise us

The Ultra Trail du Mont Blanc, one of the biggest 100-mile races in the world, kicks off Friday at noon ET. Pro runners showed us some of the gear they’ll be using.

This time, the globetrotting ultrarunner is keeping things local

Karel Sabbe set a new record of 41 days, 7 hours, and 39 minutes. And he did it without much money or fanfare, proving that you just gotta run like hell.

Testing 59 pairs of running socks, we ran everywhere from the French Alps to the sunny beach paths of California. Here’s what we found.

See and be seen on evening runs, rides, and hikes

Bucket List FKT, from Columbia Sportswear, follows McConaughy as he set his sights on Ireland’s Wicklow Round.

Up at 4 a.m., then run the equivalent of two marathons before dusk. Now repeat that for 45 days.

Like any good piece of gear, you shouldn't have to think about your first-aid kit until you need it

A massive new study confirms the mental health benefits of exercise. Don’t let the negative spin get you down.

Struggles with anxiety and depression can affect anyone—even the greatest performers in sports

And it's about to get even better.

The Charles are fashionable yet built for play, with a durable frame designed to stay put

With two years until the Tokyo Olympics, organizers are preparing for what could be a brutally warm race

Devon Yanko was sexually abused as a teenager. It took hundreds of miles for her to run away from the trauma.

Exactly how much power can a human produce? Scientists want to know.

High-mileage trail-running tackle

The consumer-friendly iteration of the bestselling S/Lab Ultra shoe is comfortable without added bulk

We asked a group of professional athletes about the oldest pieces of gear they still use every day

What if you don’t do it to stay healthy, but to stay sane?

Amid a frenzied conversation over shrinking public lands, Native Americans run hundreds of miles to honor—and take back—the land that's sacred to them

Using machine learning to recognize who’s a serious competitive runner and who’s not could teach us something useful about avoiding injuries

A group of tribes came together to run 800 miles to protect their sacred land at Bears Ears––and to send a message of unity.

These tights and skirts each have one ingenious pocket big enough to stash all your essentials

Athletes share their favorite tools for staying hydrated on the move

Eating for endurance can be tricky, but it doesn't have to be

An in-depth biomechanical analysis of nearly everyone at the world track championships yields unexpected results

American sprinting, Shelby Houlihan, Caster Semenya. The list goes on.

It's not just for the views

After years of making some of our favorite running hydration packs, Salomon is launching the Advanced Skin 8 Set

Pulling back the curtain on the industry’s biggest product launches

They might seem arbitrary, but benchmarks help define the sport

The Spanish ultra-athlete has spent the past decade crushing a generation of elite rivals and redefining the limits of human endurance. But when he notched back-to-back speed ascents of Everest in 2017, critics pounced on the claims.

Advice from one very fun runner on how to make every run a good time

With ripstop fabric, drain holes, and a water-resistant phone pouch, this endurance-racing vest is ready to get messy

Elite runners often compete in shoe prototypes. Should the practice be banned?