Cross-country skiers train lots, but often very easily, with minimal changes in aerobic principles based on distance raced in endurance events. What does it mean for runners?

Learning to spot the difference between tiredness and burnout can help you rest at the right time.

Is there a special quality shared by top athletes who triumph over great challenges? And can anyone acquire it?

Sleep is one of the most important parts of your training. Here's how to get more, and better sleep.

If you're looking for a coach to take your training to the next level, there are three factors to consider.

When you're still training hard, but not improving, it can be frustrating. It also can be a signal that you shouldn't ignore.

With one eye for function and another for form, Nike refined the Terra Kiger for the trail shoe’s best fit, ride, and grip to date.

We’ve all felt that panic when you wander off trail and can’t find your way back. Gaia GPS solves this problem.

These six exercises will help wake up and strengthen your ever-important glute muscles.

The Cirque Series takes runners up and down high peaks on rugged ski resorts.

You can get strong and support faster running on just a few minutes a day.

Runner Laura Cortez connects community, environmental stewardship and trail running.

Jorge Moreno, Latino Outdoors Ambassador and Co-Director at PGM ONE Summit, is building bridges between inner-city youth and the outdoors.

There are better ways to build a strong core.

Meet Rob Apple, the man with 761 ultras under his belt.

A new organization looks to break down barriers to participation at trail races.

Big runs require big foods. Here's how to incorporate more whole foods into your long runs and races.

While specific training methodology varies, these 5 general principles are nearly universal. And you can check off most of these boxes in a relatively short time.

How ultrarunner Stephanie Case finds balance in extremes.

A nutritionist looks at five superfood powders meant to best supercharge your food and take your nutrition and fitness gains to the next level.

The North Face VECTIV Enduris is a well-cushioned ride with plenty of teeth, a surprisingly fast roll, and a wallet-friendly price.

There's a lot of confusing carb information out there. Thankfully, our RDN is here to clear things up.

Female bodies just might be built for the challenge of greater distance—as are our minds and hearts. Here, we dig into the science of endurance.

650 runners expected to toe the starting line in Steamboat Springs, Colorado

All the physiological proof you need that you should definitely be doing hill repeats if you're trying to become a more efficient, faster, and injury-free runner.

There are 4 physiological reasons why consistent runs have an oversized effect on long-term growth. On a tough day, even 10 or 20 minutes can be plenty to spur progress.

How to balance play and purpose in your training.

And how it is sabotaging your training.

Join us for a conversation about the importance of mindfulness on and off the trails.

Your hunch is indeed the truth: You run well when you’re enjoying it, and you enjoy running when you run well.

Check out Trail Runner magazine's author page.

These small moves bring the heat when it comes to building strength.

Power hiking, night running and practicing with a heavy pack. Here's how Jacky Hunt-Broersma is getting ready to run 240 miles.

Across the U.S. and Canada, Native athletes and activists are using running to draw attention to the harm caused by boarding and residential schools.

When the mountains call, make sure to answer with extra rest days.

50 milers are a perfect sweet spot between speed and endurance, encouraging long-term growth while allowing athletes to explore their endurance limits.

Of all of the takes currently floating around the internet, elite runner Sabrina Little argues that the worst is probably the one about how a professional runner would never eat a burrito.

What to do if you get nervous before big workouts.

Check out Brian Metzler's author page.

When is that a super power and when is it standing in the way of your goals?

Even after you've quarantined and are no longer infected, doctors recommend you run with caution.

A biologist's epic quest to run the migration path of the mule deer he studies in remembrance of his father.

The Inov-8 Trailfly Ultra is the first shoe that uses stronger-than-steel Graphene its midsole foam, and the result is long-lasting cushioning that holds up over the burliest of trails.

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?

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.

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.

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!

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

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.

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.

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.

Check out Brian Metzler's author page.