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Lower back pain can be persistent and difficult to fix. These yoga poses can help.

See and be seen on evening runs, rides, and hikes

The breakfasts and trail snacks that get �����ԹϺ��� staffers through long days

Our writer and favorite curmudgeon completed UC Berkeley's ten-week Science of Happiness online course. Did it make him happier? Not really. But he still came away with some important, if obvious, rules to live by.

Elite athletes are turning up the thermostat in pursuit of an edge

Your body could use a boost, but a cleanse isn't the answer

Mentors: Hillary Allen, from the North Face, chronicles her recovery and how she’s found a new pace within the activity that she loves.

Athletes are especially susceptible to this common, curable iron-deficiency disease

Paralympic athlete and corporate executive Patricia Walsh shares her story as part of the Garmin Women of �����ԹϺ��� campaign. 

Like any good piece of gear, you shouldn't have to think about your first-aid kit until you need it

A massive new study confirms the mental health benefits of exercise. Don’t let the negative spin get you down.

Struggles with anxiety and depression can affect anyone—even the greatest performers in sports

As a Paralympic athlete and corporate executive, Walsh has been wildly successful. But her real goal is both more fundamental and more challenging: to change the perception of people with disabilities

Shalane Flanagan and Elyse Kopecky are back with a new cookbook filled with the recipes that fueled Flanagan's historic win at the New York City Marathon

Exactly how much power can a human produce? Scientists want to know.

Garmin and Apple are among a recent wave of companies who’ve entered the stress tracking market. Do the products live up to their claims?

Eight products used by athletes and expert adventurers to protect their faces from the elements

The world’s best-known climber describes his approach to scaling iconic rock faces without a rope

Four years of race data from a professional cycling team unveils some differences between the sexes

Using machine learning to recognize who’s a serious competitive runner and who’s not could teach us something useful about avoiding injuries

New research finds that those who can identify and regulate their emotions keep pushing when the going gets tough

Athletes share their favorite tools for staying hydrated on the move

Don't let the long days and warm temps lull you into complacency

A host of companies are offering easy, snackable paleo options that you can order online

Eating for endurance can be tricky, but it doesn't have to be

An in-depth biomechanical analysis of nearly everyone at the world track championships yields unexpected results

There are more ways to mess up sun protection than just, you know, forgetting to use it

Rarely will you find a fitness tip that is equally applicable to all areas of your life

You don’t train the same way every day. Here’s why you should periodize everything else, too.

Antinutrients are the buzzy new word in nutrition, but they're not quite what their name would imply

‘In Constant Motion’ follows ultrarunner, Adam Campbell, as he returns to trail running after a life-threatening fall.

The iconic adventurer and businessman talks to Tim Ferriss about staying fit, managing risk, and never, ever panicking

You’ve heard the hype about meditation and other "non-judgemental awareness" practices. Now check out the data.

These pros spend their days in the high alpine and dry desert. Here's how they protect their skin.

In 2015, in a secret medical procedure carried out in Bogota, Colombia, the 44-year-old woman got dozens of experimental gene-therapy injections. Why? Because Parrish, the creator of a longevity company called BioViva, believes that science is on the cusp of delivering radically longer lifespans—and she wants to help bring on the revolution.

The first Golden Globe Race, a solo, nonstop, around-the-world sailing event held in 1968, was a mixture of triumph, tragedy, and madness—all chronicled in a classic bestselling book and recent BBC movie. Fifty years later, 17 sailors are once again setting out for the most ambitious—and loneliest—regatta on the planet.

Stave off midday munchies with these editor-approved options

Legendary surfer Laird Hamilton has dedicated himself to health and wellness, and these are his rules for living your best life. 

Protect your eyes on trails, roads, and crags with these pro recommendations

Scientists point the finger at the brain chemical adenosine for the endurance-sapping effects of mental fatigue.

A more restful night is just a wireless snore-neutralizing soundscape generator away

Meltzer's secret to success? An unorthodox diet.

It doesn’t always tell the full story. Independent testers have arrived to fill in the gaps.

It's not just running. Two new studies confirm that weightlifting provides a similar boost to mental health.

Don't fall in the trap of more is better

Don't ride on empty. Eat something that’s good enough to feed the pros.

When it comes to our appetites, we’re no different than our caveman ancestors

Getting older doesn't have to keep you from setting new PRs

A study of the stress-reducing powers of wilderness explores “levels of nature.”

Summertime means our favorite foods are in season. Eat up.

While recovering from a terrible accident, the ultrarunner discovered a new part of her identity that went beyond her sport

Rule #3 when it comes to training for exertion in high places? Adjust your expectations.

Conventional wisdom says that drafting doesn’t matter when cycling up steep hills. It’s wrong.

Echo of the Wild, from filmmaker Mathieu Le Lay, follows a horse caretaker named Nelu who lives high in the Apuseni Mountains.

The little green legumes are having a moment in the plant-based fitness world

Build a better butt to carry you through any activity

It feels good, but does it boost performance? Only randomized controlled trials can tell us.

New research compares men’s and women’s pacing patterns, and finds some telling differences

You don't have to lift less as you get older—you just have to make a few adjustments to your training

Summiting the world's tallest peak puts humans through some of the most extreme conditions on the planet

Researchers explore the psychology of running injuries

After all, you shouldn't have to pay $20 for a class every time you want to get your stretch on

The 29-year-old CEO of Outdoor Voices is taking on Nike, one color block at a time

Legendary gymnastics coach Christopher Sommer tells Tim Ferriss why all athletes benefit from a smarter approach to strength training

Or at least that's the thinking among the elite athletes who are adopting treatments that were once considered fringe. A former EMT turned acupuncturist weighs in on the movement.

It's the one-stop shop for healthy fuel. Here's a grocery list, plus meal ideas for how to best use the store's cheap, high-quality ingredients.

Six pro endurance athletes weigh in on the foods that keep them energized for the long haul

Experts say most of them don't live up to the hype

Follow these pros' lead and turn your phone into a fitness tool

Keep getting your eight hours, but the science is more complicated than you might expect

They're in your gels, chews, and drinks, but do you really need them?

The do-it-all staples—from $11 to $515—that these multisport pro athletes can't do without

'Play On,' a new book from journalist Jeff Bercovici, explores how aging elite athletes stay at the top of their game

Turns out, even if you don't play basketball, you can learn a lot from the sport and its athletes

How to know when it's OK to keep pushing and when you're better off taking it easy

For optimal muscle gains, when you eat matters just as much as what you eat

The British and Canadian governments are tackling athlete mental illness. So why can't we?

Make gym time more than tolerable

Make gym time more than tolerable

Bonking is never an option