There’s a new trend in trail running eyewear and it’s large, fluorescent, and retro. But how? But why?

Fall races are looming on the horizon and in many places we’re at the peak of summer heat, so here’s what our editors have been running in, listening to, and reading.

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

The watch-maker Coros published a fascinating snapshot of Kilian Jornet’s training data in the weeks leading up to his course record performance at UTMB. Let’s break it down.

360 YOU ultra athlete Sally McRae shares how she has approached the first three races (335 miles over 6 weeks) in her #ChooseStrong project.

Runners make common mistakes when it comes to keeping their feet healthy for the long run.

Reebok’s Floatride Energy 4 Adventure delivers a road-shoe ride with just enough toughness for dirt

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

Spoiler alert: Research shows fasting might not be the answer for female athletes looking to maintain good metabolic and cardiovascular health

With integrated carbon plate technology and balances propulsion and cush, this shoe is fun and fast as heck.

We caught up with Jim Walmsley after his 4th place finish at UTMB

Two improvising trail runners on making it up as you go

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.

HRV can help you decide when to push—and when to hold back—for optimal fitness and recovery.

In episode one of Peaks Project from Black Diamond, Richardson and Boulder community members share why this mountain is so special to them.

Wild and crazy running adventures on the Colorado pack-burro racing circuit

The biggest climate change legislation ever has just cleared the senate. Here’s why trail runners should care.

The essential ingredients in Hannah Allgood’s mountain adventures are curiosity and self-belief.

With Midwest roots and South American training, Schmitz is ready to push her limits.

Check out Brian Metzler's author page.

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?

A wonderful 2022 study has novel insight into the training of 3 top finishers at the Giro d’Italia, one of the biggest cycling stage races of the year. The case studies show that what we expect athletes to do in theory and what they actually do in practice can diverge. And that leads to some fascinating lessons about training theory.

Joe McConaughy sets a new Fastest Known Time on the 223-mile John Muir Trail.

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?

New course records and an incredibly close men’s podium mark a historic year for the Hardrock Hundred Endurance Run.

Western States 100 Contender Alex Nichols has summited Pikes Peak every month for the last 56 consecutive months. Here's how.

The Western States 100 is the Super Bowl of US trail running. It’s hard and hot, and it presents unique problems for all athletes. These 10 race-day tips are designed to help athletes solve those problems, and they may help you excel at any ultra.

After ultramarathons, the body undergoes numerous physiological changes. A wonderful new study examined how those changes vary across athletes. While there are many similarities, the variance between men and women points toward very cool ideas for future physiology studies and training theory.

When you’re getting ready for a key event, a big training effort can spur neuromuscular and musculoskeletal breakthroughs. The Hill Beast workout can make the legs and the brain indestructible. Let’s dive into the evolution of a training theory.

Strong, repeatable downhill running is a major factor predicting trail running performance. So how can athletes improve how their physiology responds to downhills? An amazing 2020 review study provides some clues that can inform training theory.

Heat training may improve performance in all conditions. This article provides a practical guide for how to get heat training benefits without overstressing your body, whether your goal is just to feel better on hot days or to excel at Western States.

Mid-race fueling is a hotly debated topic, with different approaches working for everyone. But emerging science may validate what some of the best athletes do in practice--consume more calories than is traditionally suggested. Is it worth experimenting with 400+ calories per hour? Let’s break it down.

A 2021 study gathered data on what nutrition runners consumed before and during a 24-hour ultra run. Quantity of carbohydrates leading up to the event and during the event both correlated with performance outcomes. What does that mean for long races? Keep the carbs coming.

An emerging field of study takes a fascinating approach, using race performances themselves as the dependent variables. What are the attributes of an athlete who has the most success in trail and ultra races? The answer involves speed, strength, and ... maybe some luck. Let’s dive into a wildly fun area of research.

The ultrarunner and coach shares his best tips for ramping into alpine running season

There is staggering variation in how each of us can experience the world inside of our own heads. Mental health treatment can vary from non-clinical practices to talk therapy to medication and so much more—and no treatment should have any stigma. You are enough and you are loved, as you are, always.

A wonderful new review article analyzed the literature and online resources to summarize the training that makes athletes into the best in the world. It's got everything: easy running, workout structure, season design, tapers, and so much more. Let’s dive into one of the most incredible articles ever.

Fascinating studies from rugby show that positive reinforcement before and after matches can increase testosterone and reduce cortisol, along with improving performance. What are the implications for how we discuss training and racing?

Why we’re so stoked on FKT’s.

Barkley wins again. For the fifth year in a row, no one could best the infamously rugged course in trail's quirkiest event.

Join Trail Runner editor in chief Zoë Rom and columnist/coach David Roche for everything you need to know to run your first trail race!

What happens when you do a race that pushes your physiology beyond the horizon, only to realize that you’re not even halfway done? The new frontier of 200 mile racing is exciting, but can also be scary and overwhelming. This training plan hopes to make it a bit less scary. You have permission to remain overwhelmed.

6+ hours of biking a day? Ultrarunning? 2 rest days every week? 5 straight threshold workouts? Let’s explore the exciting training principles of a world-record holder, which could have lessons for all endurance athletes. And no matter what, it is extremely cool.

Some athletes from Norway are using variations of intensity-controlled threshold training, double-workouts, and focused specific work to great success on the international stage. The approach has important takeaways for all athletes. Let’s take a deep dive into some training theory.

Nani Beags is 15 years, 8 months old, and she still joyously runs a few miles most days. There are lessons for all of us, even if we have two legs and a butt that is adept at quitting.

One of our favorite semi-structured workouts involves short, controlled intervals within an easy/moderate aerobic run. The easy/moderate fartlek can work for any athlete looking for a fun way to level up their aerobic efficiency. Here’s how it works.

Sports can be cruel. And that’s why they are magic.

The 12-week plan provides a range of mileage options starting at 31 to 65 weekly miles and reaching 50 to 95 weekly miles, including weekly workouts and guidance, geared toward supporting peak performance and long-term growth.

The December 2021 study shows large amounts of individual variation across different phases of the menstrual cycle.

You can wear whatever you want when you run, but letting your body get too cold may increase injury risk and reduce performance, in addition to being way less cozy.

For a quality workout, at what temperature should you run on a treadmill or brave the cold?

Minimalist shoes making running a different experience, but they're not a magic bullet. Consider these five factors before trying them out.

A history of the minimalist running shoe

Do we burn more or less energy running in the cold versus running in the heat, and should there be any relative change to our calorie intake?

These gifts are 11 research-backed options for an athlete looking to push their performance limits.

This multi-sport watch is jam-packed with features that make backcountry exploring a breeze.

Morning soreness is part of being an athlete, and it’s usually not a cause for alarm.

A November 2021 study uses a fascinating research design to test different types of periodization over a 16-week training cycle.

There's a time and place for pushing to your very limits, but lower-intensity, consistent training might be more effective in the long run.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

The track can present an opportunity to build speed, or it can be an injury waiting to happen. Let’s use four questions to dive into the training theory behind track workouts.

Tough workouts to help you get race-day ready.

According to a new study, overtraining and underfueling share pathways, symptoms, and diagnostic complexities. Those connections have important implications for long-term adaptation and health.

Check out Brian Metzler's author page.

Easy, silly ways to make your next run more fun.

Learn how Indigenous athletes have shaped trail running in our virtual panel.

Learning to embrace the parts of myself that want to be good at things.

The aging process brings up some difficult questions for all athletes. Talking openly about the age-performance curve can be healthy for everyone.

Inside the 100-mile Halloween party.

Three types of training that will improve your speed, stride, and stamina, but won't burn you out.

A recent report in The Oregonian details allegations that the University of Oregon program adjusted training based on body composition readings in repeated DEXA scans. If true, that practice is medically dubious and physiologically wrong.

Tips for staying open-minded, and making space for responses.

When it comes to yoga for runners, the right poses can prep you for a great run and help you recover even better.

Fall colors, and sneaky vert. Here's what trail runners love about Lexington.

I know that the goal for easy running is to maintain a conversational pace, but I live in a pretty hilly area. The only way to get my heart rate down is to take walk breaks, but I don't want to do that every time. What do you recommend?

Schoolteacher Jason Hardrath is the first person to log 100 FKT's (Fastest Known Times).

Check out Trail Runner magazine's author page.