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With multiple intensity zones and a unique three-sided design, the new TRX Rocker recovery tool takes foam rolling to the next level

Anyone who disagrees is an "obvious idiot"

Klaus Obermeyer shares some tips on work, exercise, and (of course) skiing

Researchers deploy machine learning to match running styles to the risk of different types of injury

The empathetic host and vegan ultra-athlete shares his long personal journey and many hard lessons learned

A holistic guide to strong, healthy shoulders

For years, Benedikt Boehm has been chasing speed records on some of the world's tallest peaks

To better push your limits, try swearing off some of your most familiar crutches now and then

Plenty of food trends from this year should stay in the past. And a few of them should come with you into 2020.

Work hard, play hard—that's how many of us live today. But it turns out that our supercharged lives aren’t so great for us, and fitness experts and doctors are now emphasizing restorative practices and rest to improve performance and overall health.

17 surprisingly easy steps to a happier, less strung-out life—starting with your vagus nerve

He overcame addiction and workaholism to become an elite endurance athlete and star podcast host. As he sees it, it's never too late to start over on the path to a more balanced life.

Both substances are being studied for stress and anxiety relief. We asked the experts if and how they work.

New Year's resolutions be damned. We like things just the way they are.

A guide to help you wade through the misinformation and buy just what you need

Improving your max aerobic power may come at the cost of worse efficiency, a study finds

The experts have spoken on what we will see in the coming year

17 of the year's best pieces from our Do It Better columnist Brad Stulberg

We tested the most nutritious cookbooks that came out in 2019. Here's what we're sticking with in the New Year.

A registered dietitian nutritionist could help you solve a mystery gut issue, boost your training, or develop a better relationship with food. Here's how to know what to look for.

Improve your range of motion, increase efficiency, and boost flexibility and balance with these five mobility moves

He's had to embrace incredible physical pain to win iconic ultramarathons like the Leadville Trail 100 and the Western States Endurance Run. But that’s a form of suffering Rob Krar can control—unlike his decades-long struggle with depression.

A desk jockey’s guide to not being a slouch

To train athletes to truly push their limits, it helps to draw inspiration from the French social theorist Michel Foucault. Seriously.

The military is rethinking physical training and overhauling its classic fitness test. Think you have what it takes?

One of the best boulderers of the 1990s is climbing into her fifties

Make yourself more injury-proof by using these poses to increase your strength and flexibility

The cross-country skiing icon was beginning a new chapter in life when a diagnosis changed everything

Two new books take opposing views on one of the most contentious issues in sports

Great titles for the endurance-curious, or to curl up with yourself

There's no silver bullet, but these useful practices will help you keep training

Cross-training is key for improving performance, recovery, and resilience, whether you're running on the road or on the trail

Whether you're bringing Fido up a volcano or on an impossibly long trail, these tips from runner Alex Borsuk will help you and your pooch stay safe and happy

After a long day on the slopes, these seven moves (which can be done at the après bar) will help you recover and stay injury-free

Platelet-rich plasma therapy, or PRP, has been touted as a miracle cure for sports injuries, but it may counteract the benefits of plain old rehab exercises

These new training apps can craft customized routines based on your past performance. It’s almost like having an automated personal trainer. 

A new analysis tracks people doing 35 hours of exercise per week for a decade, and finds no evidence of heart risks

Outdoor athletes suck at squatting. Here's how to fix your form.

The holidays are all about sharing delicious food with loved ones. These recipes from athletes and chefs will nourish and satisfy.

7 kettlebell exercises to up your strength and conditioning

Beautiful places, kind people, and great food aren't just nice things to experience—they're key to good mental health

For snowboarder Megan Pischke, being a breast-cancer survivor and a professional athlete are both part of her identity

Knee pain plagues athletes of all stripes. Here are some of the best exercises to help mitigate and prevent chronic occurrences of it.

Everything you need to know, from how it specifically helps aid muscle recovery to how to choose the right CBD product and serving size

Alex Honnold has made a career of facing down risk in the mountains. Because of that, he has insight into how to process that possibility.

Swenson just summited one of the last unclimbed peaks in the world

Scientists can forecast marathon performance fairly accurately. But for longer distances, things get complicated.

The bestselling author is back with a bold book arguing that we desperately need to connect with other species

Sourdough is delicious and good for you, and with just a little practice, you can make it at home

'Standing Man' chronicles cyclist Payson McElveen's attempt to set a new fastest known time on a loop of White Rim in Utah's Canyonlands.

Biotech company Elysium Health just released an at-home DNA test that—supposedly—will tell you how well (or poorly) you're aging

And new research shows it may be one reason why women tear their ACLs more often than men

All-out sprint speed may seem irrelevant in longer events, but new science is making the case for having a “speed reserve”

A few athlete chefs share their favorite recipes for eating healthy—and hearty—when the cold settles in

From stocking stuffers to splurges

In his new book, 'Lifespan,' celebrated scientist David Sinclair lays out exactly why we age—and why he thinks we don't have to

At a conference on sports innovation, sleep scientist Charles Samuels cuts through the hype

The world's most successful freeskier and Warren Miller film star says big-mountain fitness starts at home

Powder days and gear bonuses are great, but welcoming environments that prioritize the work-life balance are what really make these companies exceptional

10 exercises to make you strong, fast, and explosive on the hill

Here's what he learned from it

Keep the cold at bay with these 9 moves that you can do anytime, anywhere

None would be where they are today without the influence of these people

The fastest woman on skis isn't slowing down

Put in the work now to have a successful winter

Get started. Keep going. Stop.

The Swedish company Maurten's hydrogel drink has taken the endurance world by storm over the last two years. Now scientists are testing their claims.

Get your feet reacquainted with natural movement and your body will thank you

Over the past decade, athletes, coaches, and researchers have been seduced by the performance-boosting promises of brain stimulation. On a ride-and-zap-your-brain-like-the-pros tour through the Alps, Alex Hutchinson wonders whether it really works—and whether we want it to.

Yoga inversions are easier—and more useful—than you might think

Across the country, grown-ups are bounding outside after work for kickball, capture the flag, and other kid games. What's going on?

Featuring activities like scavenger hunts and three-legged races, adult recess is about more than winning

The 45-year-old likes to undergo days-long adventures that combine mountain biking, rafting, and climbing

The two-hour barrier and the women’s marathon world record both fell this weekend. The history makers, Eliud Kipchoge and Brigid Kosgei, have one obvious thing in common.

Nutrition science isn't perfect. Here's why.

We took a peek inside their packs and had a nutritionist grade their choices

A new study quantifies the time gained and lost from the geography of the INEOS 1:59 Challenge course, and suggests that you don’t need to sweat the curves