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

How climate change, and with it, an increase of fires and heat, is affecting our sport.

Are the watch estimates correct? And how much do they matter?

Carbohydrates are a key part of ensuring you're performing your best.

There are lots of ways to find your running potential. These tips may not be helpful in that process.

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

How do you know when you've reached your potential? Should you take your shoes off for water crossings? How can you best support a partner who's injured?

Check out David Roche's author page.

Boyle used a Trail Runner training plan to build speed and break into the ultra distance.

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

The most disciplined runners know how to not to always do the max. Here's how to nurture one of the skills that can separate those who achieve long-term success from those whose careers are often plagued by injury.

Learn tools and techniques to help you prepare for and overcome some of the biggest mental and emotional challenges you may encounter in trail running.

Has UTMB lost its way? In this op-ed, our Chamonix correspondent reflects on his relationship to the iconic UTMB race, and what changes in direction mean for the trail community.

Check out Mike Benge's author page.

Sore or heavy legs after a long run or workout? You might want to dial in your nutrition.

Dauwalter returns to UTMB two years removed from a dominating victory

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.

Gatorade Endurance is trying to uncover why more athletes from marginalized groups aren't participating in endurance sports.

Most workouts should be sustainable and repeatable. But some workouts should empty the fitness tank entirely. That’s where these eight workouts come in.

Check out David Roche's author page.

Should you take TP on the run? Is it okay to walk? What is a "normal" distance to run? Your trail running questions, answered.

Check out Trail Runner magazine's author page.

Racing UTMB, following it in person or on online, or crewing a friend? Here’s the play-by-play of the course… and how to run it!

Run too fast some of the time, and you’ll probably get slower all the time. Here's what aerobic threshold is, and how to train below it.  

Father Time is undefeated. But with smart training, we can give him a run for his money.

How a Boston-based program is using running, fitness, and holistic care to help veterans in life after service

Get expert tips and advice on nutrition, training, mindfulness and mental skills to take your running to the next level.

Our guide to the Race Across The Sky

Your long-run pace depends on your running goals, what systems you're trying to improve, current fitness, and what you mean by long.

Here's how to maximize your time on the 'mill for benefits on the trails.

Strength training can be intimidating if you don't know where to start, but once you get into it you'll find it's so empowering.

A July 2021 study found that hormone levels throughout the menstrual cycle can affect heart-rate variability and resting heart rate. What does that mean for training?

Two-time champion returns fit and strong but expecting to run more conservatively

In 2015, while crewing for her husband, Scott’s, successful Appalachian Trail speed record, Jenny Jurek began healing from the grief of two traumatic miscarriages. In 2021, she returned to the trail with their two young children in tow.

Not every run needs to be a serious workout. Here's what you need to know about chilling out and slowing down.

Olympian Alan Culpepper explains that any runner can train like the best in the world. It’s the mentality and approach that matters—not world-record speed.

Stomach slowing you down? Here are common causes of GI distress, and tips for keeping your gut on track for trail runs.

Battle race day woes with performance psychology.

Injury forces ultra legend Scott Jurek off the trail.

Eat (and drink) these items to up your carbohydrate intake and reap their endurance performance benefits.

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

The biggest challenge of being injured can often be the mental and emotional impacts of being sidelined.

Screw sticky-sweet goos and gels. Here are four whole-food options for your run.

Check out Brian Metzler's author page.

Masters-aged runners need to pay more attention to heat acclimation. Here's why.

Your watch is only as smart as its user. Here's how to be strategic about your gadget's feedback and metrics.

A little bout of fatigue can develop into training overreach, which can blossom into overtraining syndrome. Here's how to know the difference.

Learn the difference between flexibility and mobility, and focus on the latter.

We put tough, dirty miles on these new customizable trail shoes that are generating buzz for their price tag — and find they deliver, with premium comfort and performance.

Stock your pantry with these essential goods for trail runners.

In a new series, we’ll be following along as Jacky prepares to take on her biggest challenge yet: running 240 miles across the desert and mountains around Moab.

The paradox of effort: Is trying too hard holding you back from reaching your goals?

Check out Kylee Van Horn RDN's author page.

One Indigenous runner didn't see her community reflected in running media, so she set out to build her own community based on representation and an intersectional awareness of barriers many runners of color still face.

The Rocky Mountain Slam, a series of five races through the Rockies, is the quirkiest and toughest race series in ultrarunning.

Rehabbing an ankle sprain is critical for reducing the risk of future ankle sprains and the development of chronic ankle instability. Here's a 5-stage rehab program with 10 exercises.

With three international additions and nothing below 100k - this change is sure to shake up the startline at the U.S.'s most competitive 100 miler.

Watch David Roche break down training tips and tricks for leveling up in your next ultramarathon.

Athletes responding to their mental health isn't weakness. It's awareness.

Adding tempo running before or after intervals can contribute to major fitness gains during training builds.

Here are a few of our favorite ways to spice up your next run when things start to feel mundane.

The world's most widely used drug boasts some powerful beneficial for runners.

Pro runner Max King offers tips, tricks, and helpful perspective for falling on trail runs.

Ask the coach: are saunas beneficial for runners, or do they do more harm than good?

Looking to take your nutrition to the next level? Get the low-down on all things fueling from our resident sports nutritionist.

Road marathons are a unique beast. Here's how you can adapt big, sexy marathon workouts for your next trail race.

How one woman is using an epic stage race to make running more inclusive.

A new study out of the University of Montana finds that carbohydrates from just about anywhere do a good job of muscle glycogen recovery, as long as the numbers add up.

Today’s trail shoes provide specialized features for a variety of different terrains. Here’s how to sort out what you need.

Gear choices take on greater significance when you're going to be running all day—but there are still only a few necessities.

Yes, nutrition advice is often confusing, ambiguous, and hotly debated. But despite all the noise out there, these nuggets are indisputable—and often transformative.

There are two things to think about when deciding whether or not to run an ultra: physical preparedness and psychological motivation.

The July 2021 study found that level, uphill, and downhill running economy are correlated except at the steepest grades. What does it mean for training?

Healthy eating has two components: healthy food and a healthy relationship with food. You need both to thrive.

Does alcohol have a place in a sport promoting health and wellness?

You can stay mobile no matter where you are with this mobility plan.

Feeling blah? Here are a few tips for getting yourself more motivated to run when you really don't want to.

While we are all unique, there are some themes that might help you strengthen your mental toughness and learn to work with your inner critic.