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The husband of runner Camille Herron admitted to having altered the Wikipedia biographies of prominent ultrarunners. The revelation came after a Canadian journalist launched an investigation.

Five questions with American runner Katie Schide, who recently shattered the course record at France’s UTMB

While most of the ultra-trail running crème de la crème are in Chamonix for UTMB, the 36-year-old legend is also in the Alps for a massive undertaking of his own. We sat down with him in person to unpack his relationship with the sport and himself.

Colorado Silver Star, a family-run metalsmith in Denver, has been handcrafting each and every buckle awarded to Leadville 100 finishers for nearly 40 years

Five questions with running coach David Roche about his improbable victory and course record at the iconic ultramarathon

It's Dauwalter’s third straight course-record win, while almost 49-year-old Pommeret nailed the grueling 100-mile event on the first try to take down Kilian Jornet’s course record

After recovering quickly from the emergency surgery on July 5, Miller was hopeful to start the 100-mile race through Colorado's San Juan Mountains

During a recent press conference, Dauwalter dished on her approach to nutrition and fueling, early-career bonks, and more

Arbitrary goals are nonsensical. They also can be the source of great joy.

Oh, you wanted to take a fun little trip to run a breezy 100K? Think again. This course is relentless, technical, and populated by nudists.

Mike Foote is a professional athlete. Brendan Leonard is a non-professional athlete. And he has some questions.

America’s hard-bitten wildland firefighters are switching gears in the off-season to run ultra distances

With the Olympics, otherworldly shoes, and trail running at a crossroads, 2024 could be the most fascinating year in running ever

Is Taylor Swift an elite endurance athlete? On the Eras tour, the singer-songwriter is performing three nights a week, singing and dancing for as long as it takes most people to run a marathon.

Jenny Hoffman ran across the U.S. in record time, while Karel Sabbe set a new record on the Pacific Crest Trail

Sebastian Salsbury has been running ultramarathons since he was nine years old. Now, this California teen wants to compete professionally—and win.

Every fall, a group of Denver runners celebrates National Taco Day by running 31 miles using the fast food Mexican chain as aid stations

We try to gain a competitive edge from things like nutrition, recovery, weight training, and new shoes. But what if becoming a parent does the trick?

After three-plus hours on the treadmill belting out every song on the Eras tour, I can tell you why Swift’s concert training regimen works

Ultrarunner Yassine Diboun found his own unique way to help those in recovery move through darkness together. It’s working. 

Here’s how the Dauwalter duo completed a dream of crossing a finish line together

This summer Courtney Dauwalter made history, becoming the first athlete to win the three biggest races in ultrarunning in the same year: the Hardrock 100, the Ultra-Trail du Mont Blanc, and the Western States Endurance Run. What’s her secret?

After a devastating near miss in 2019, Jenny Hoffman shattered the coast-to-coast fastest known time

After 60 years, the JFK 50 Mile Race is sticking to its community-centered approach, and people keep showing up

American Charlie Lawrence just set the 50-mile world record, and he made it look easy

Harvey Lewis, who recently ran 450 miles to win Big’s Backyard Ultra, discusses the mental trickery that goes on during ultrarunning’s hardest race

Inside the spectacle of ultrarunning’s most festive top-tier 100-mile race

Those who pursue the craziest endurance races on the planet do it for reasons that make perfect sense

Kristian Morgan set a new southbound FKT on the Appalachian Trail, but he’s not done yet

A rural road relay offers the author a chance to return home and consider important questions, like: Who has the aux in the support van and where did they find this weird club track?

The Catalan mountain runner found a new challenge by returning to the rugged terrain near his childhood home

For endurance athlete Dillon Quitugua, ultramarathons became a way to work through the pain of the abuse he’d suffered as a child

Phillip Kwa’han Espinoza created the San Diego 200 to reconnect with family roots and empower Native youth

Toss out the marathon prediction equations. Understanding what determines ultra performance takes a whole different approach.

Even as trail and ultrarunning explode, the spoils of professionalization aren’t spread equally across the sport. Athletes on this year’s U.S. 24-hour team are looking to change that

The singer, songwriter, and guitarist for the Postal Service and Death Cab for Cutie applies the same approach to ultramarathons that he does to touring: just keep moving

Our tester sacrifices her teeth to find out

Running fast is important, even for beginners and endurance athletes. Here’s why, plus four essential workouts to start.

U.S. runners have their best showing ever in the Ultra-Trail du Mont-Blanc

Here’s a look at the gear, tech, media, and general miscellany our ���ϳԹ��� Run editors loved last month

How does training for one of the most challenging 100-mile races on the planet compare with others? We dug into the data for answers. 

After living in France for more than a year, the Hoka-sponsored ultrarunner is as fit and prepared as he’s ever been

Pacing at long distance running events is common in North America, but it can also be intimidating. Here are seven essential tips from veteran ultra athletes.

On the second day of his first ultramarathon, the runner withdrew just a few miles from the finish line. But that didn’t stop him from completing the race.

The boat people volunteers who shuttle runners across the American River at mile 78 on the Western States 100 Mile Endurance Run have seen it all

Watch what happened when this six-year run streaker and HOKA Global Athlete Ambassador took on an iconic ultramarathon in California's Sierra Nevada

Feeling out of shape? Maybe you should run up and down a mountain three times.

The Chicago-born trail runner drops the fastest time on the Nolan’s 14, one of Colorado’s most daunting routes

Aurelien Dunand Pallaz led the men’s field from early on for a win while Dauwalter battled from second place to surge for the win and course record

From silver mining to live-streaming, this legendary “wild and tough” ultramarathon in Colorado’s San Juan Mountains has a storied past. What will it mean for Hardrock to embrace trail running’s future?

Coffee, candy, and joy are a few ways the world’s top ultrarunner keeps her love for running fresh

When she started her freshman year during the height of the pandemic, the college student felt trapped. Then she started running.

This body-positive runner is partnering with Rising Hearts and GU Energy Labs to bring her self-belief to ultrarunning’s biggest stage: the Western States 100-Mile Endurance Run

The former Navy SEAL faced deep snow, gusting winds, and sheer ice on North America’s highest peak. But he still smashed the previous records set by Karl Egloff and Killian Jornet.

After 50 years, America’s most cherished 100-mile footrace might be showcasing the deepest field ever

Strava data scientists compiled numbers from Western States 100 Mile Endurance Run finishers, from 2018 to 2022, to help us investigate patterns behind successful finish times. Here’s what they found. 

Farvard is one of 17 athletes selected for the North Face’s Athlete Development Program. His mountain objectives, including this month’s Western States 100, have never been more ambitious.

When fitness influencer William Goodge ran across the country to raise money for charity, his feat received unprecedented scrutiny from hardcore running fans

Race director Megan DeHaan partners ultrarunning and agriculture to celebrate and protect open space

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

The competitive endurance athlete chose not to complete a grueling marathon. That's when she realized: you don't have to finish everything you start.

Despite being an accomplished mountain athlete, she struggled with her body image. But by imagining how younger girls would see her story, she found the strength to accept herself.

Real-time video coverage of ultrarunning events is becoming increasingly sophisticated. Is that a good thing? 

The American ultrarunner set a new women’s world record on Saturday after logging 270.505 miles at the Sri Chinmoy 48-Hour Festival in Canberra, Australia

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

The creative was a reluctant runner until he realized that telling himself stories could get him through any distance—and help him be the person he wants to be

Champion ultrarunner rolls into 2023 with a new sponsor and new goals

Bones are made of dynamic tissues that need stress, just not too much, says one of the world’s best ultrarunners

This runner has covered 32 miles every day for nearly three months. She’s not done. 

The shredders, climbers, policy-makers, barrier breakers, and scientists who forever changed the way we view the world

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

Perry’s time for a self-supported trek on the trail nearly broke the best mark for a supported effort

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.

“Through this race, we inspire people around us to be better citizens of this world and to transcend themselves”

The elite marathoner ran 5:07 mile pace for over 31 miles to reclaim a record he'd already set 

Put down that hydration mix and pick up some carbs