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A near-death experience prompted this trail runner to take stock of what mattered to him: fighting for civil rights and adventures in the mountains.

Our nutrition expert takes us on a tour of fueling options available at most running specialty stores, and how runners can shop smarter to fuel their races and long runs.

Athletes of all levels have considered whether their choice of birth control might influence how they train, recover, and perform. But the answer is complicated. Here’s what you need to know.

A perfectly designed training program might aim to have ideal intensity distributions. But what happens to a perfect program when you add hills? The answer to that question can lead to fitness breakthroughs... or collapses.

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.

NCAA track champion and Mount Marathon winner Allie Ostrander continues to be open about the long road of eating disorder recovery. Could her transparency change the sport?

I grew up hiking in the White Mountains. But I never fully appreciated them until I moved away.

The American ultrarunner set a new women’s world record on Saturday after logging 435.336K (or 270.505 miles) in 48 hours at Sri Chinmoy 48-Hour Festival in Canberra, Australia.

Stuck in an adventure rut? Here’s the best advice our editorial team has on living adventurously.

Run the world’s largest night race and you’re bound to have one of the most unusual experiences of your life

These little powerhouses not only help fuel our training, but they define the exact ways our bodies respond to the training we do. New data says mitochondrial check ups could even help with the future of training and life in general.

What started as a Facebook page for group runs and became dinners, workshops, and a community on the East Coast.

We asked experts how much protein, and what kind runners should be eating.

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

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

Discover stories from Backpacker, Outside Online, Clean Eating, Climbing, and other brands across the Outside Network

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.

It's one thing to think about a workout; it's another to actually do it. Here's how to make sure workout brain doesn't convince you to quit.

The Trail Team, a newly formed startup, aims to develop sub-ultra trail runners.

A new documentary highlights the grit and guile of the Desert RATS Stage Race

We review six of the hottest smartwatches from the last year by price, specs, and an eight-point rating system.

A former elite runner finds her creative stride by designing activewear that tells the story of her family history in the French West Indies

The boutique Portland brand debuts its best shoe yet, a versatile ultra crusher that’s modular design can be customized to you.

Three runners finish what is typically a nearly impossible race in Tennessee

Your arms are dropping lower on long runs, or your shoulders are tight and sore afterwards. Sound familiar? This is a problem that can be fixed with this weight training circuit for runners.

A recent study explored how runners can use these mental strategies to perform better, and enjoy their time on the trail more.

The craziest event in trail running began Tuesday morning in Tennessee's Frozen Head State Park

A new study reviewed the short-term and long-term performance impacts associated with low energy availability, along with the nuances of how low energy availability relates to body composition. The science is unequivocal: athletes need to eat enough, always. What that means can vary based on the athlete, the season, and their goals.

The real magic of much-hyped ketone supplements, according to Belgian scientists, is how they enhance recovery

How Jimmy Elam wins big ultra races without sponsors, while holding onto his love of running for running’s sake

Here’s how rabbit’s co-founder balances family, training, and running an apparel company

Has Maurten finally figured out how to harness the power of baking soda without paying the gastrointestinal price?

The fitness industry is rife with harmful messaging around food and exercise. Here’s what to know about when food behaviors are a problem.

How social media and marketing turned empowerment into a hashtag that substitutes awareness for meaningful action, consumption as activism.

One writer’s advice after two decades of trail running: Run regularly. Not too fast. Mostly trails.

This purpose-made apparel line delivers unmatched freedom of movement and functionality to trail runners

With the arrival of a long-rumored drink, endurance athletes want to know

Every step I ran used to be in pursuit of race results. Letting go wasn’t easy, but I’m so much happier.

Olympian and veteran elite coach Mark Coogan’s central advice on making the most of your miles

The champion ultrarunner gives us advice for ditching the data and reconnecting with what we love about trail running.

Rising Hearts is an Indigenous-led organization committed to community building, elevating Native and community voices through movement, and they’re working with GU Energy Labs to launch a new flavor, film, and justice commitments for endurance running.

This trail shoe was designed to provide comfort, stability, weather protection, and speed no matter what terrain you’re tackling

Coffee, candy, and joy are a few ways this top ultrarunner keeps her love for running fresh.

Check out Zoë Rom's author page.

This time of year, we’re reaching for anything and everything that can add some brightness to weary winter training. Here are the essential gear finds, music, books, podcasts, and general miscellany that our Run Editors loved from last month.

Hydration isn’t just for race day. The latest science shows that it not only makes you feel better and stronger today, but is key to a long and healthy life.

He’s got nine decades on Earth and several 100-mile finishes in the last five years. His next goal? The 200-miler.

With the recent blood shortage, and donors flocking to help, how does blood donation affect athletic performance? An ER doc explains how to time your blood donation for minimal impact on training and racing.

Tempo runs are a key part of trail training, especially if you're preparing for a race. Here's how to do them.

According to the longest happiness study in history, we all need to be strengthening our relationships

Travel from western Montana to northern Thailand in this new film that tracks the humble rise of undefeated ultrarunning phenom Adam Peterman

In the latest Performance Corner, our expert strength running coach Jason Fitzgerald explains why “junk miles” can actually be a pillar for long-term running health

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

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

The two fiercely independent running companies are joining forces to do good on a bigger scale

Beef up your kicks to handle snow, ice, and other tricky winter terrain.

Many runners are swapping out heady IPA’s post-run for an ice-cold non-alcoholic beer. Here’s why this switch can benefit your running.

Some exercise physiology studies show quick improvement in athletes introducing just a few weeks of 30-second intervals. Does that mean all athletes might benefit from applying the principles of speed development? The answer could have major implications for how you think about structuring a training week.

Trail running is different. In all of the best ways. The more you run on trails, the more you’ll discover—and really appreciate and enjoy the differences.

Champion ultrarunner rolls into 2023 with a new sponsor in Lululemon and new goals for the race season ahead.

A sports-certified Registered Dietitian lays out how to fuel during a strength-focused training block (and no, you don't have to choke down a million protein shakes).

NNormal ambassador and Alaskan filmmaker Max Romey offers a glimpse of a solution

If you're feeling overwhelmed with all the shiny things as you start running, let us help simplify your gear game.

The microorganisms in your gut microbiome can affect how well you train and race. Learn the latest science on the athlete's microbiome, plus ways that you can make it work harder for you.

"Maybe be one of the deepest 100Ks ever on U.S. soil”

In 1969, the invention of GORE-TEX revolutionized waterproofing gear. Trail running shoes, however, left much to be desired—until now.

What do you do when the mind wants to heal but the body has other ideas?

Every runner needs a small arsenal of shoes to tackle any variety of terrain, speed, and distance. Our Run editors share what kicks are in their heavy rotation.

How these couples manage running when one of them isn’t a runner

This Valentine’s Day, enjoy our favorite heart-forward articles hand-selected from the Trail Runner vault

An incredible study from 2014 found that simple self-talk training and intervention can improve performance. What might happen when those psychology-influenced performance gains interact with physiological adaptations over multiple training cycles? My theory: our internal dialogues may hold one of the keys to unlocking breakthroughs.

Through all the heartbreak and disappointment, our love is worth it. It’s worth the black toenails and quasi-permanent sunburn, and it’s worth having geriatric ankle joints. Our love is worth the 4 a.m. wake-ups and finding a partially consumed GU in nearly every load of laundry.  It’s almost worth all the foam rolling. 

Americans Zach Miller, Ryan Montgomery, Hayden Hawks, Amanda Basham, and Allie Mac reach the podium at New Zealand’s premier ultra

Whether it’s pushing through discomfort or fatigue, endurance is central to our sport. A new study shows the significance of the practice of mind-body linkage.

Check out Kylee Van Horn RDN's author page.

The Trail Ultra Project from the University of Central Lancashire just published their findings on a survey of trail runners from over 30 countries 

Preparation and determination have helped her achieve success in numerous disciplines