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Sometimes the best performance upgrade is portability

In desperate times, even desperate measures won't suffice

Seven adventurers on their favorite legal performance enhancer

You might be able to stop them before they even happen

Five exercises that will guarantee you have the strength to adventure all weekend, well into your eighties

What started as a scratch team playing an alternative sport has become a rallying point for a community in Chinle, Arizona

Women athletes around the country are tired of being underrepresented on film and behind the camera, so they're taking matters into their own hands

For many, the female athlete triad has stood in the way of lasting success in sports, but researchers are finally starting to understand the condition better—and help women avoid the long-term consequences

Sally Bergesen, founder of Oiselle and a running activist, asks why don't we have established women's equivalents of the four-minute mile or the two-hour marathon

Your one-stop shopping list for the coming year

The best outdoor blankets according to Amazon reviewers.

The counterintuitive theory has pervaded books, studies, and Reddit threads and is something of a rally cry for LCHF converts. But while there may be some benefit to monitoring insulin levels, there's no need to cut out all carbs quite yet.

Cycling, running, and obstacle course racing are dominated by white-collar workers. And while disposable income makes competing more feasible, researchers are also starting to discover a psychological pull that draws these people to masochistic events.

We reached out to a few experts to see who they rely on via Twitter for trusted endurance tips

The science on how, or even if, these powders, capsules, and goos really help remains inconclusive. But many athletes believe the placebo effect alone may be enough to nudge them to victory.

The Renovo Fat-Ash is as fast as it is beautiful

What's old is new again. These eight straightforward principles will help you perform your best, no newfangled hacks required.

Yes, televised track and field can be exciting. But don’t take our word for it.

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

Caster Semenya and Dutee Chand, female athletes with atypically high testosterone levels, are drawing attention to the very messy debate about who counts as a woman in track and field

Women have come a long way since they were banned from running marathons and competing in ski jumping for fear of damaging their wombs. But pros are still fighting the pay gap on the slopes, trails, and surf breaks.

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

Female athletes deserve the same respect for their athletic abilities as their male counterparts

It's too long, too male, too boring, and in desperate need of a rethink

It’s no secret that the sport is hurting—here’s how it might regain some of its lost appeal

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

Make the most of your smoothies

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.

Let’s get this straight: if something horrible happens to me on a ride, don’t ever say I died doing what I love. I feel no affection about the idea of getting pulverized by a 4,000-pound SUV, especially if the driver was flipping through Instagram. Still, I recognize that something might happen. And rather than leave it up to other people to commemorate my life and death on the bike, I’ve decided to take matters into my own hands—with facts based on a terrifying encounter with a speeding Porsche that actually happened—just in case the next run-in turns out differently.

In an effort to be more inclusive and entice more viewers, the 2020 Games will feature a mixed 4x400

Whether it's skiing or mountain biking or camping, these guidelines will make sure you and your child get to enjoy a lifetime of adventure together

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.

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

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

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

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.

The former pro has had two full knee replacements in the past decade. Neither slowed him down—and they don't have to slow you down, either.

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.

Never let a noisy engine or a crying baby get between you and Elvis Costello

This salty snack has taken center stage as a healthy, protein-laden endurance fuel

Why it's more upsetting when endurance athletes fail drug tests than when NFL or MLB players do.

Just because they have lacrosse practice doesn't mean you have to sacrifice outdoor adventures

Soccer legend

Turns out runners and bikers both love Ed Sheeran, while CrossFitters can't decide whether they want to turn it up or get angry

After more than 40 years as an athlete and coach, it pains me to see people latch onto fitness fads, and I want to clear a few things up

New research suggests that not everyone should be eating the same foods. In fact, some athletes might benefit from these doughnuts.

A new photo book tells the stories of trailblazing athletes and advocates. There’s a good chance you haven’t heard of most of them.

We crunched the numbers and consulted the pros to answer the perennial barstool debate

When people ask why I love photographing weird sports and games, I tell them I love photographing people having fun. Pretty simple.

A political primer on the world’s most expensive sports party

The sport will return to the 2016 Olympics after nearly a century, and Carlin Isles is the player we can't wait to watch

The creators of a new kind of driving range are betting that loud music, tons of booze, and an addictive point system will make golf cool again

The High Fives Foundation is a non-profit that provides resources for and support to the dreams of mountain action sports athletes who have experienced a life-altering injury

In the wake of the X Games star's suicide, friends contemplate the role of repeated head injuries and the psychological toll of retiring from BMX

Lots of new snow, an unstable early season snowpack, and high backcountry traffic all contribute

The highly anticipated Mavericks surfing contest has been nixed this weekend even as epic waves roll into Northern California's coast. Blame the Super Bowl.

For endurance athletes, unhealthy thoughts about body type are often disguised as the question: “How can I be faster or more powerful?” Nordic skier Hannah Halvorsen wants to address these body image issues in her community.

Cycling and track athletes cause a stir when they're caught cheating—but in smaller (and less well-funded) arenas, others may be getting away with it

Earlier this year, Optum Pro Cycling teamed up with volunteers from healthcare company Optum, the San Francisco 49ers, and California-based non-profit Turning Wheels for Kids to build and distribute 50 bikes—with helmets and locks—to students of the 49ers Academy.

Perfect form takes more than placing one foot in front of the other.

Oxygen seeks to show the beauty of female athleticism—and that women can be kick-ass athletes for life

Footballers of both kinds have caught on. Here’s what you need to know.

We test three of the latest performance fuels in search of the ultimate podium snack

It's your final chance of the day to recover from training and to prep muscles for tomorrow's adventure. Follow the lead of these eight athletes.

Bright white, old school, and way too nice to actually wear on the court

You don’t always need a highly structured training plan to get into fighting shape

Simulating combat will whip your own butt into shape, while helping you build power and endurance

A group of eccentric engineers flocked to a dried-up lakebed in California to race for the championship title of a 117-year-old sport you’ve never heard of

Research suggests artificial muscle enhancers stick with cheating athletes for life. So will we see lifetime bans for first-time cheats?

Is there a more important piece of gear than the one that lets you see the world clearly? Of course not.

Becoming a dad lowers testosterone, but that doesn't mean your athleticism has to suffer.

More and more young female runners are signing pro contracts in a sport where racing as an elite does not guarantee financial success.

Basketball or soccer games with friends can take the place of cardio, but they shouldn't be your only form of exercise.

How one team is leading pro cycling out of the concussion Dark Ages—and providing a potential road map for the NFL

Elite moms are crushing races just months after giving birth. Can the rest of us do that, too?

Of all the UCI's new anti-doping measures, around-the-clock testing is possibly the most controversial. But the Tour de France champion has spoken out in favor of the practice, even as his peers grumble that it's too invasive.

Hey, outdoor-equipment companies: Please stop ignoring women who rip

New spring-loaded tech promises to make us faster. But they might go the way of swimming’s ill-fated LZR Racer suit—without making an Olympic debut.