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It's the most grueling competition in the world, and it takes a massive toll on riders' bodies

Your simple guide to using the supplement the right way

What was once spontaneous consumption has turned into a science of its own

Where triathletes can find the best online guidance

Thanks to a shrewd food marketing industry and slick packaging schemes, we're overpaying for products that make major health claims with little real nutritional payoff

Rural Appalachia is the unhealthiest place in the country by almost any metric. Steve Bowling, a 45-year-old library director in Kentucky, has a simple remedy: nature walks.

And what you can do to avoid them

You're dreading workouts, easy days aren't easy, and other signs that you're spending too much time on the trails

The line between being undertrained and perfectly fit is thin. Here's how to ensure that you don't end up on the wrong side.

Keto, paleo, vegan, and more—we've got you covered. A few key adjustments to these basic nutrition programs ensure you can tackle heavy-effort loads and still fuel the way you want.

Streamline your endurance-training data for less stress and better results

Your mental checklist to decide if you really need to take a rest day or if you’re better off just toughing it out

In today's quick-fix culture, it's more important than ever to remember that a few simple lifestyle changes can transform your overall health

Three explosive drills for better race-day performance

To take your skills next level, you'll likely need a little coaching. Turn to these instructional vlogs for expert techniques, advice on how to improve quickly and effectively, and pro-approved training plans.

And how to avoid them

The best endurance athletes push their minds and bodies as far as humanly possible—a practice that might not actually be good for them

One man's quest to treat the matrimonial ceremony as what it is: the greatest endurance event of your life

One move is all it takes for a strength-building workout that also leaves you breathless

Make the most of your smoothies

Despite the chronic doping scandals, the sport still has a lot to teach us about fitness

This skill doesn't just belong in gymnastics competitions. Use it to clear obstacles on the trail and move deftly around nature's roadblocks.

Elite competitors have long practiced meditation and mindfulness. But neuroscience shows that it’s the true believers who are finding that higher gear—through prayer.

Climbers, cyclists, runners, and all kinds of other athletes—both men and women—are starting to speak out about disordered eating in their communities

The hardest part about your athletic pursuits may be building a long-term relationship with them

Scientists are discovering that certain playlists can boost brain activity and treat anxiety and depression

Quinoa, bananas, and peanut butter are recurring characters, but add a little more flavor (and nutrition) to the plot by tossing in these surprising purchases

Beau Kittredge is fittest athlete you’ve never heard of. Here’s what a day in his life looks like.

After decades of being thought of as a pseudo-sport for longhairs, ultimate Frisbee is attracting elite athletes who are landing professional contracts. The hero of this new breed is Beau Kittredge, who looks like an NFL wide receiver, sprints like an Olympian, and jumps like Jordan.

Plain old spuds are the original superfood. We should all be eating more of them.

Master this basic move to build a strong core and stabilize your movement

Mastering ground movement—crawling, rolling, and standing—is a vitally important, often overlooked aspect of becoming a well-rounded, injury-free mountain athlete

Growing research debunks the myth that the paleo movement replicates the diet of our ancestors. Here's what they were actually eating.

How to best fuel your body based on where you live

The well-known exercise physiology expert likes to keep it simple

Cory Richards and Adrian Ballinger summited the highest mountain in the world last month—Ballinger without supplemental oxygen. Here's how they trained their minds and bodies to accomplish one of mountaineering's most difficult feats.

Yelling at the right moment has been linked to boosts in power and pain tolerance

From rafting trips to big-wall climbs, here's how to do it just about anywhere outdoors

The hive mind weighs in on what to buy

The best performers in the world share a few key habits, and a new book helps you implement them

Nail this move to create a solid base for your endurance feats

This summer in Bermuda, the Australian-born sailor will lead Oracle Team USA’s bid to retain the oldest trophy in international sports. The 37-year-old’s secret to staying on top? Stepping away from the boat.

Last year, Kim Ciolli, a longtime fixture in Texas cycling, got busted for doping. Her case is evidence of the fact that maybe the anti-doping system for older athletes—and especially for women—is broken.

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Exercise is as good for your brain as it is for your body, and researchers are just beginning to discover why

Your expert-backed plan to kick one of running’s most nagging injuries

Fuel up between meals with these healthy options

There's a flipside to dehydration that kills athletes and otherwise healthy people every year. And it's on the rise.

A new cookbook explains how to feed your hungry family or a group of marathoners without calorie-dense meats

Though created with older athletes in mind, these items are essential for every athlete—regardless of age

There's nothing quite like breaking up the workday with a run, but logistics can make it tough to pull off. Here's how to execute flawlessly.

Every world-class performer—from athletes to chess players to musicians—follows these rules to keep improving at their disciplines

More women in the running community are beginning to speak out about amenorrhea

Take your gym sessions seriously.

Make any time sweatin’ time

Watch as one of our fitness editors demonstrates the breathing method and tries to see how long he can last in an ice bath.

Quality gear to make you feel like a million bucks no matter how hard you’re pushing it

Get the most out of your workouts with these energy sources

Where healthy-eating pros turn for inspiration, education, and great recipes

Sitting can be lethal, right? We asked the experts how to stay healthy while doing the one thing that, for the most of us, takes up the majority of the day.

After most MCL and ACL surgeries, doctors focus on treating and rehabbing the soft-tissue, while almost completely ignoring motor patterns and biomechanics

These exercises are perfect for the outdoor athlete looking to get stronger and faster while staying injury-free

I still hit the snooze button every now and then, but way less often (a major win in my book)

What does it mean to have a body that's ready for a music festival? Nate Dern heads to the gym—and then Coachella—to find out.

For an athlete, being injured is often harder psychologically than it is physically. But the elites have developed a few key tools to help stay happy and sane while healing.

Among other things: potatoes are the shit, junk food is OK, and everything you know about serving sizes is wrong

And it wore me out

It takes one piece of equipment to build strength, endurance, and total-body power

It won't solve all your health problems, but it might make your life a bit better

An entire industry is trying to curb our boredom while running. But if you can harness that feeling of restlessness, you may find yourself stronger and faster than ever.

Many assume extreme-sports athletes are, at best, irresponsible and, at worst, suicidal. New psychology research tries to unpack their true motivations.

Some athletes and trainers claim the structural protein helps stave off injuries like ACL tears. Don't listen to them.

Hack your indoor training to help you set new PRs in the wild

Americans spend $11 billion a year in pursuit of the blissful happy-ever-after. But what do we really accomplish? To find out, Peter Andrey Smith embedded with the utopia seekers for a weekend in Miami at the first-ever World Happiness Summit.

Have a friend who is a bit too aggro while chasing the goods? They’re not just idiots—they may have a terrible disease.

Let’s reduce health care costs by getting outdoors, eating better, and pushing for progressive legislation

There's no magic potion, but if you perfectly pair your sports drink with your workout, you can boost your performance and recover more quickly

The good news? They're all pretty simple to reverse—or prevent entirely.

Pair your regular workouts with this outdoor-friendly routine for superior strength, stability, and endurance