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In-race data collected during the world championships sheds new light on how top endurance athletes avoid overheating

Despite the proliferation of destination marathons, some runners are making a conscientious decision to stay closer to home. But they wouldn’t judge you.   

Losing his lower legs to disease in childhood caused him to hide himself for decades. Then a long, hot hike across the Grand Canyon showed him a new way forward.

Made by Smith, his large-lens Pursuit shades are ideal for skiing, cycling, running, and nearly every other outdoor activity you can imagine

Action plans and inspiration for you to get in better shape

After moving from Kenya to Colorado, the two-time world champion and Olympic silver medalist is ready to compete

It was a wild month

Sure, maybe you get a leg cramp. But you could also get struck by an asteroid.

This 75-year-old runner might be the world’s fittest man at his age, so fit that researchers turned him into a case study

Expert strength running coach Jason Fitzgerald wants us to keep our easy runs easy, but not forget the importance of workouts 

Simple steps to rebooting your fitness and reinvigorating your running goals

We asked experts what to consider before you hit the pavement

Why the world's greatest marathoner still needs to win a hilly marathon to cement his legacy

Do your favorite running routes mix road and trail? The Nike Pegasus Trail 4 GORE-TEX INVISIBLE FIT is the secret sauce for excelling everywhere.

Since Linden began her career, there’s been a dramatic shift in how professional runners promote and present themselves to the world. We caught up with her about her new podcast, the expansion of running media, and how she decides whether to fire off a spicy tweet.  

Our initial testing reveals the updates to the beloved, game-changing Vaporfly make it an even better marathon racing shoe

Women Take The Lead Retreat is creating space for women of color in the running industry to network, learn, and connect with tools to advance their careers

Growing up as an immigrant had her believing that she had to be stronger than everybody else just to get by. When she started trail running, she was physically tested in ways she found thrilling.

The sport’s only nonagenarian shares his story—and wisdom—from decades on the trail

We let dogs out to run. We should do the same for ourselves.

Age may be just a number—but so is your weekly mileage

Topo’s super-foam-powered Cyclone 2 perfects the brand’s vision of combining the best qualities of natural-movement footwear and cushioned running shoes

With all the performative “empowerment” of women runners on this day, let this be a moment where we demand real change, real structural transformation, and real joy 

We’re going the extra mile with 261 Fearless, our nonprofit partner that empowers women through running

The kindness of a stranger helped the organizer for the Boston Marathon overcome tragedy. Now she wants to pass the gift along, every day.

It's the hot new recovery tool. Here’s what to keep in mind when using one, according to physical therapists.

By enforcing stringent rules on the video footage creators can use from their events, USA Track and Field might be undermining its own mission

Seventy years after his first cross-country race and 46 years after competing as an elite runner, the author competes—and triumphs—on a tough Australian course

Double threshold days and lactate meters have propelled Jakob Ingebrigtsen and others to the top. Should the rest of us follow suit?

Researchers test the assumption that top athletes are more sensitive to internal cues, with surprising results

The former soccer phenom was burnt out and angry. Then he started running every day, no matter what.

American Yared Nuguse scorches the track en route to winning the Wanamaker Mile at the Millrose Games, and other news from the track.

The Fast Forest Project is honoring the fastest American milers as part of a broader sustainability initiative

A physical therapist details what usually brings runners into his office and lays out strategies to keep you injury-free

Cross-country began and grew in the cold off-season, and its world championships are usually held in winter mud and slush. This year, however, will be different.

All that hiking, biking, and climbing can take a toll on more than your quads

The Norda 001 G+ Spike tames impossible trails while keeping you dry and protected in winter weather

A new study tests the idea that, with the right building blocks, connective tissue can repair itself after all

Internationally acclaimed coach and author Brad Stulberg wants runners to love the process, seek community, laugh at themselves, and stay flexible

Everything you need to know about motivation, fulfillment, and achievement in this lifetime sport

Vanessa Peralta-Mitchell founded Game Changers, an organization committed to training women of color for running leadership positions. 

A big-data analysis of Strava training logs estimates the slowdown for marathoners who miss a week or more

Endurance athlete Mallory Arnold was struggling with extreme fatigue when her coach made an unexpected suggestion: start eating meat again

After testing trail-running kits from dozens of brands in an array of nasty conditions, I’ve found my favorite pieces 

The track star turned filmmaker turned ultrarunner reflects on her ever-evolving relationship with the sport

If not now, when?

Fleshman’s book offers a look at her journey in elite running in a system that was built for the opposite gender

Asics’s signature cushioned shoe goes super-max and delivers more comfort and cushioning than ever before

Ten tips to kick-start your fitness at the start of the new year

Surely you’ve tried champagne flutes before?

Five cold-weather merino wool pieces that combine superior performance and longevity

Celebrating everything from desert biking and alt-rock to bouldering and oyster-eating, these are some of the best outdoor festivals across the country in 2023

I signed up for the On Cyclon subscription running-shoe service and get a perfectly clean new pair every three months

A Native runner reflects on land acknowledgments before races and in daily life

Runner Carolyn Su creates space for people of color to feel at home in the sport

Moving from long to short efforts during a workout maximizes the training stimulus

High-end materials and designs go mainstream, delivering smooth-rolling, versatile rides for every runner

A selection of recent titles to keep you warm by the fire 

It’s the first time a woman-owned store has won the award.

Ultrarunning’s G.O.A.T discusses his busy 2022, which saw win ultrarunning’s biggest events and dive into the shoe market with NNormal

The Swiss brand, known for its unique cushioning pods, has transcended running with its style and innovation

Meet the group that's setting a pace for Black women distance runners

An elite athlete's homemade granola with coconut, raw nuts and seeds and cinnamon

Between fan engagement and professional-athlete interaction, the beleaguered social network still offers plenty of upsides for a niche sport

From crabbing and surfing the iconic coast to hiking and biking the redwood-covered hills, the San Francisco Bay Area enclave of Marin County is an awesome destination for recreationists and foodies year-round. Here’s how to do it right.

After her diagnosis halted her physical activity for two years, runner Mireille Siné returned to the sport with a new outlook

New research finds that, all else being equal, runners don’t have more gastrointestinal problems than cyclists

Give the gift of adventure this holiday season with one of five curated running experiences. 

The sneaker industry has a role to play in climate change. New Balance is trying to reduce its climate impact with a holistic program.

In New York City, Sharon Lokedi (KEN) proved it’s possible to win a marathon in your first try. Chebet (KEN) brings home a double for 2022.

Marathons don’t happen by themselves; they require months of planning and an expertise in engineering and crowd science. That’s doubly true for the world’s largest race.

Replacing lost salt is a pillar of sports nutrition, but new research suggests more isn’t always better

Watch what happened when runners tried Athletic Brewing Company's craft beer for the first time

The complexity of doping rules in endurance sports can be alienating for fans. But what’s the alternative? 

The process is as easy as making a smoothie

For years, the well-accomplished runner hid his battle from the world. Now he’s ready to share his story.

The 27-year-old former Navy SEAL may be one of the most gifted runners on the planet. Good thing he doesn’t want to race—yet.

Runner and equity advocate Alison Désir discusses her new book, freedom through running, and building a sport with inclusivity for people of all marginalized groups and genders.

Elite running coaches weigh in on what it means to be talented and how they predict who will run fastest

Thirteen countries battled in Belgium for this year’s Beer Mile World Championship. The most important rule? Don’t throw up.