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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

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

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

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

In 'Run Home,' Kenyan marathon runner Jane Kibii shares how she stays connected to her family in Moiben while she trains in California.

The movers and shakers inspiring positive change in the outdoors

From big-wall climbers to surf champions, these are the most dedicated, successful athletes of the year

You don’t really need more gear. You need knowledge and inspiration.

From New York to Phoenix—and from 5 kilometers to 500 miles

The race is a celebration of the amateur athlete

There's an art to staying warm, dry, and happy

Dag Aabye is known around Vernon, B.C., for his astonishing fitness. He's 75.

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

Turkey Trots are huge and runners like beer

I'm not crying. You're crying.

And what it could mean for the future of footwear

Taylor Nowlin came out of nowhere to break Ida Nilsson’s brand-new record by over three minutes

In his much-loved book 'What I Talk About When I Talk About Running,' Haruki Murakami completely misunderstands what it means to be a female runner

The two-year-old brand makes some of the most comfortable, best-fitting running kit we've tried

As the Camp Fire continues to devastate Northern California, the canceled North Face Endurance Challenge provided an opportunity for runners to do some good, and gain some perspective

A U.S. Army study aims to pin down the optimal staging protocol before high-altitude tests of endurance

This Utah 50K and half marathon event is taking one small step toward closing the wage gap

Unraveling how a carbon fiber plate and space-age foam combine to make a more efficient shoe turns out to be trickier than expected

Nonprofit the Phoenix has a radical idea for those recovering from drug and alcohol addictions—get moving

Five years ago, the Swedish runner was beset by long-term injury. This past weekend, she set a new bar for traversing one of the most iconic landmarks in the U.S.

When you run a race you haven’t registered for, you’re taking the easy way out

After several rounds of judging, this gear came out on top at last week's trade show

Your everyday kicks aren't always comfortable. These new stylish, eco-friendly sneakers are.

Athletes at Rowan University were banned from running in sports bras because it “distracted” the football team. The incident highlights a much bigger issue about policing women’s bodies.

An ode to those who can't sit still

A friendly reminder that a 2:10 marathon is actually still pretty hard

Kale Poland, founder of Cleetus Fit, takes pride in a brand of fitness where dumpster towing and beer yoga are equally at home. Now he's out to conquer the Deca Ironman—ten Ironmans in a row.

Cleaning up after sweating it out has never been so easy

A new study suggests that running on autopilot is the most efficient approach.

From a climbing pad to backcountry touring skis, a handful of Black Diamond hits

At Big’s Backyard, you never know how long the race is going to last, because there is no finish line

‘3100: Run and Become’ explores moving meditation all over the world, from a race around a single New York City block to a 1,000-day run for Japanese monks

A new study finds that having “elite” levels of aerobic fitness increases longevity relative to merely “high” levels.

Do it for the pizza

Long-distance running can be tough on the stomach. These foods can help.

After 18 years of putting on the marathon show, race director Peter Ciaccia is ready to move on

This video from Nine Mind Asylum features runner Allie Kiefer’s focus on nutrition in an effort to qualify for the 2020 Olympics. 

Athletes and adventurers use rituals to get ready for big moments—whether it's wearing a new pair of socks on summit day or bouncing the tennis ball exactly seven times before bashing a serve. Does it work? Steven Kotler explores the cutting edge of neuroscience, plus a little bit of black magic, to find out.

A tweak to the CMAH gene could be key to humans' running superiority

What if striving to be great is what's holding you back?