Dierdre Wolownick gives us an inside look at what it was like to raise the 'Free Solo' climber in 'The Sharp End of Life'

But the everyday athlete can learn a thing or two from him

Plus, should you take someone else's spot in a race if you know you won't finish?

'Hood to Trail,' from Yak Media and Stance, features three urban running crews as they figure out what it takes to be a trail runner

Why the top American in Monday’s Boston Marathon is all about training transparency

Rickey Gates ran 1,303 miles on the streets of San Francisco over 46 days, from November through December

After a string of injuries, Jordan Hasay and Dathan Ritzenhein are itching to race again

No external flourish can match the thrill of pushing your body to its limit

A website from the snack company highlights the sweeteners that often fly under the radar on nutrition labels, and shows the percentage of sugar in other brands' offerings

The Consumer Product Safety Commission tried to recall strollers it claimed were defective, but the newly appointed chair stopped it

These babies keep you warm, block wind, and shout from the depths of your closet, “Let’s go already!”

Laird Hamilton's rules for preventive maintenance

A getup that won't weigh you down

The athleisure company is branching out from its mainstay apparel and yoga accessories

Signs that your coffee habit is doing more harm than good

The IAAF’s decision to phase out the 5k isn’t necessarily bad, and the pro running landscape needs to evolve all around.

What kind of sadist creates the hardest race in the world? We sent our writer to find out.

Yes, the physiology and biomechanics of treadmill running are a little different. But how you feel about it is probably more important.

'Running the Oregon Trail' is an ode to running and goes to prove that sometimes the best way to see a landscape is on foot

Tune in to the highly anticipated race on April 15

In the past few years, trail runners from the French gear company have started showing up on runways. Why?

Epic ultras in the Alps. An urban loop in running's most beloved city. High desert treks through the American Southwest. These are without a doubt the best runs on the planet.

When my wife tried to kill me, when I went to jail for battery, and when I finally tried to take my own life, there was one thing that kept me from unraveling

Companies like Outdoor Voices and Nike have already signed up for the new in-app shopping platform

If Belay Tilahun was good enough to win the country’s most prestigious half marathon, why wasn’t he listed in the elite field? 

A free weekly 5K? What’s not to love.

I'm tired of doubling up old sports bras—aren't you?

In an excerpted chapter from his new memoir, '26 Marathons,' the road racing legend recalls the first time he ran America’s most famous race

At the 2019 Los Angeles Marathon, Adam Gorlitsky will set out to become the first American paraplegic to walk 26.2 miles—and bust his British rival's 36-hour time in the process. But his real dream is to bring assisted mobility to people with disabilities.

With a new line of premium watches, Garmin aims upmarket

Apparently, misery does love company (in a way). So gather your friends and go have some miserable fun!

Our favorite puffies and shells for men and women, whether you’re riding lifts or out for a tour

Runner Dylan Bowman​​​​​​ recounts a harrowing tale in which he faced off with a yellow Lab in the midst of a 100-mile race

The new running standards are ridiculously complex. Here's what that means.

A new statistical approach brings sophisticated probability analysis to the future of marathoning

In the wake of a bizarre physical attack and the death of her father, Katie Arnold felt paralyzed by the anxieties of parenthood and being a woman alone in the wilderness. She got through it the same way she’d always done, by lacing up and hitting the trail. An exclusive excerpt from her new memoir, Running Home.

‘Grit,’ from Camp4 Collective and Jaybird, profiles the Black Roses—a New York City–based running crew

A new model reinterprets those pretty graphs that seemed to show minimalist shoes reducing impact forces

What’s worse than missing a world record by one-hundredth of a second?

If a pro runner gets hurt during competition, should meet organizers foot the bill?

It was mostly trial and error

The Spaniard posted an absurd 78,274 feet

Thanks to its dominant women’s squad, the BTC has supplanted the Oregon Project

The coach, NOLS employee, and professional ultrarunner attributes part of her success to her hectic schedule

We all know what the dogs do—they run—but the person driving the sled has to get ready for a brutal challenge, too. The labor required to manage and train a team is like CrossFit on ice.

The books, movies, podcasts, music, and more that our editors couldn't stop talking about

A recent Camber study on gender equity exposes discrimination in the outdoors, especially in the bike industry

After giving up competitive running, cycling, and triathlon, I bought a farm in Tennessee. I didn’t know at the time how challenging—and life-affirming—growing my own food would be.

In advance of her marathon debut, we spoke to Sisson about racing, recovery, and what it’s like to have Molly Huddle as a training partner

Does he not have nerve endings?

Get workout tips, find new routes, or make the most of your rest days with these run apps

Setting an FKT is already badass. But what these Fastest Known Time award winners pulled off on the Appalachian Trail and Long Trail is downright awe-inspiring.

A detailed analysis of historical Boston results wades into the long-running debate on sex differences in endurance

‘The Runner’ features Charles Nkazamyampi​​​​​​​'s return to his home in Burundi to mentor kids in need of support

Trying really hard works—and then it gets in your way

Step into the void

‘Climbing Giants,’ from Red Carpet Producciones, features runner Bárbara Koch summiting Misti and Chachani, two volcanoes in Peru

In the age of specialization, it’s refreshing to see a big name get outside his comfort zone

Need a reboot for the New Year? From yoga to trail running, these retreats ensure that and more.

2019 has already been an eventful year in doping news. If the Olympics don’t care about clean athletes, why should we care about the Olympics?

A month on mPEAK, a performance-driven mindfulness program

Researchers explore how your brain chemistry may start dulling pain and boosting mood before you even take a step

There are a lot of tough endurance races, but the hardest one of all might take place on a single block in Queens, New York

I've spent hundreds of hours of testing shirts. These five are the best.

With a new year and new gear right around the corner, it's time to take a look back at our favorite products from the past 12 months

More fat shoes, farewell to Flanagan, and the continued dominance of Kipchoge

It’s an oldie but a goodie

Real-world data shows elite ultrarunners average 180 steps per minute—and that means nothing

A few hints: They're stylish, cut glare exceptionally well, and cost only $61

These shades blend style, comfort, durability, and versatility better than any others I've tried

A legit flagship watch, but it needs a firmware fix

Don’t compare yourself to others, and embrace the slog

I drew them. You liked them.

New research finds weightlifters have stronger tongues and runners have better tongue endurance—and that matters

A lifelong runner and outdoor athlete is hit with a mysterious physical breakdown. Once the engine starts to fail, what happens to the mind?

Plotting top-100 marathon times for the past decade shows that Eliud Kipchoge’s world record is a huge outlier. The question is why.

Catching up with the newly-crowned 24-hour racing champion

A worthy beanie keeps your dome warm, vents sweat, and doesn't look dorky

A wave of psychotherapists are treating patients by running with them

The movers and shakers inspiring positive change in the outdoors