UTMB

The UTMB Mont-Blanc week of trail running races felt especially historic this year, and here’s why

Vomiting, exhaustion, pain—for most of the 2,800 runners toeing the start line, completing UTMB under the 46.5-hour cutoff is no small feat. Here’s how some American age-group runners got it done.

More brands are using UTMB-Mont Blanc week to showcase of their latest models, which were put to the test in the UTMB World Series Finals races

Backing up her Western States win this June, the American expat ran fearlessly to win her second Ultra Trail du Mont-Blanc on a very hot day

The Hoka-sponsored duo sealed their redemption tour in Chamonix. South Africa’s Toni McCann pulls out a commanding victory in her first 100K and second UTMB World Series Finals race win

It’s the first time an American or Chinese runner has won the prestigious 57K trail race that serves as a de facto global trail running championship

After a year that included a maelstrom of controversy that was unpleasant for all, the world’s most prominent ultra-trail running event has righted its path

Now in its second year, the program—led by criminal-turned-athlete John McAvoy—aims to harness the transformative power of trail running to put young people on a better path

The global race organization is strengthening its commitment to clean trail running with a sizable investment this year for in-competition testing, illuminating both the progress toward clean sport—and the structural issues that remain

From racing the world’s most competitive ultras to advocating for policy change, this adaptive trail athlete is demanding change for the sport

Criminal-turned-athlete John McAvoy is harnessing the transformative power of sport to put young people on a better path

A regional Canadian race director cries foul after a new UTMB World Series event is launched in Whistler, sending North American trail running community into frenzy.

The UTMB World Series announced a new policy regarding adaptive athletes with the hopes of increasing participation. Many adaptive athletes say it doesn’t recognize the realities they face to create a path toward equity. 

Inclement weather and surprisingly runnable terrain soften bite at inaugural Beast Coast UTMB World Series event and trifecta qualifier. The 100K served as a Hoka Golden Ticket race for Western States, and the 100 miler doubled-up as UTMB qualifier and Hardrock 100 lottery qualifier

The Grindstone Trail Running Festival races are qualifiers for the 2024 UTMB World Series Finals, as well as the Western States 100 and Hardrock 100 lotteries

Here’s a rundown of the shoes on the feet of the top runners in the 2023 UTMB World Series Final races in Chamonix.

The GOAT completes unprecedented hat trick of winning Western States, Hardrock, UTMB in one summer

The Arizona runner who lives in France became the first U.S. man to win the epic race, just ahead of Zach Miller

Schide proves she can compete with the world’s best over every ultra distance. New mother Rachel Drake takes sixth, showing she’s back on the world stage.

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. 

I’ve visited the Mont Blanc region more than a dozen times and am always gobsmacked by mystical aura it exudes

The two-time Hardrock 100 champ from Colorado has developed a calmer and more balanced race mentality

A new mother of two combats the pressure of bouncing back from postpartum training

Evans pushes new training, fueling, and racing strategies by cycling, triathlon, and background in the military

With six women ranked in the top 10, the U.S. is poised to put on a show at the UTMB World Series 50K finale

The former hockey player turned triathlete turned ultra runner is heading to Chamonix to Race UTMB OCC

The American mountain runner returns to international racing with stoke and strategy to spare.

About to make his UTMB debut, Colt says the less he frets, the better he seems to perform

The four-time winner of the world’s biggest ultramarathon cited being unable to run due to a sacrum injury

A Q&A with the ultra running star on her preparation for UTMB, the changes she’s made in training, and the best piece of fitness advice she’s ever gotten

Everything you need to know about the UTMB race series in Chamonix.

Canyons 100-mile winner Alyssa Clark is preparing to toe the line in the rugged Pyrenees.

Physical fatigue, muscle soreness, and age greatly impact post-race recovery and sleep patterns.

Doug Mayer tells interesting stories behind the rise and growth of UTMB

Trail Alsace Grand Est by UTMB includes four races that end in Obernai

This weekend’s races are part of North America’s first UTMB World Series Major

A stacked field and totally different courses are sure to shake things up at the 2023 event in Auburn, California. Here’s what to know, and how to follow along.

UTMB is updating its entry system for runners who give birth. Here’s what you need to know.

We’re teaming up with the world’s biggest race organization to give you a front-row seat to the biggest names and races in trail running. Here’s what you need to know.

April 28-29 races will start and finish in Auburn with adjusted courses and time cutoffs.

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

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

Trail running is growing and professionalizing. Here’s what the influx of cash means for the future of trail running. 

Kilian Jornet, aka the Greatest Of All Time, just published a summary of his training data and practices for all of 2022. His post is destined to be a legendary guide to thinking about training theory and what it takes to have the best season ever. Let’s break it down.

Curious what's trending? Here were the five most popular Trail Runner articles published last month.

It’s an unfortunate tragedy, but, many argue, high-mountain adventure can never be completely free of risk

UTMB is a brutally challenging race, but the race-week hype, world-class competition, and global party vibes have a way of making every runner feel special

2022's Edition of the Ultra Tour de Mont Blanc is in the books. Here are the stories and changes we're tracking, and what they mean for the trail community.

By running her own race and trusting her own pace, Dani Moreno finished third at UTMB’s OCC race, the first of three American women in the top 10.

The historical data at UTMB paints a fascinating picture of one of the hardest and most competitive races in the world. Using data on past race-day results and splits, Dr. Marshall Burke completed regression analyses that provide 4 insights and predictions about what we might see in the 2022 race.

Anchored by relentless positivity, Sabrina Stanley’s career continues on an upward trajectory.

With a deep men's field at ultrarunning's biggest event, can Jim Walmsley become the first American man to claim the title at UTMB?

Zachary Friedley has a lot of goals for his trail running career. One is making the sport more accessible to adaptive athletes.

American men have historically struggled on the UTMB podium. David Laney is the highest placing American, making his fourth trip to Chamonix. 

With entry changes on the horizon, this year’s UTMB might be the most competitive ever. Here’s why. 

One of the world’s most decorated ultrarunners is starting Ultra Spirit, an event that centers community, exploration, and...berry picking? 

With the first-ever Golden Ticket race in Asia, there are more opportunities than ever for international runners to gain entry. How will this change reshape the startline at the U.S’s most competitive 100-miler?

Elite athlete and 2022 Canyons 100K winner Jazmine Lowther is taking her passion for mountains and a career in environmental science to compete at CCC this month. 

Jim Walmsley has won Western States three times. Now he has his sights set on something no American man has done: winning UTMB.

Many athletes enjoy running because of its therapeutic properties. But what about when running itself becomes a source of stress?

Directors of two iconic U.S. races respond to the introduction of the UTMB World Series.

The three-time UTMB champion returns to Chamonix for the first time since a DNF in 2018.

The UTMB series continues to expand with new opportunities to qualify for the flagship races in France and to explore new places.

Check out Brian Metzler's author page.

Abby Hall finished second in the CCC with smart training, a calm mindset and aggressive racing strategy

D’Haene wins a fourth UTMB, Dauwalter runs to a new women’s record

Running Stones, qualifying points. A new World Series. How are you going to get into UTMB?

It is believed to be the first death in the 19-year history of the Ultra-Trail du Mont-Blanc races in and around Chamonix.

Jim Walmsley is gunning for the UTMB win

UTMB week is underway in the heart of the French Alps, but things are changing for the iconic race festival.

Check out Trail Runner magazine's author page.

Your complete guide to the UTMB races

Montgomery isn’t afraid to try new things, especially when it comes to training for 106 brutal miles through the Alps.

How Mario Mendoza is training to conquer the alps at the UTMB 100-mile trail run this August.

Check out Brian Metzler's author page.

Check out Doug Mayer's author page.

A year after Hillary Allen rehabilitated from a devastating fall, she had to recover from another major injury and the darkness that came with it.

Check out Zoë Rom's author page.