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For one 41-year-old Australian triathlon champion, retiring just meant taking a break.

Kai Lightner of Fayetteville, North Carolina, is making himself known in pro competitions and confidently tackling some of the toughest routes out there. It's even more impressive when you consider that he's only a high school sophomore.

And hello to the F-Bom, the world's first snow goggles with active anti-fog technology.

Afterglow isn't just the year's most captivating ski movie—it's also a giant TV ad. And it could be the future of adventure films.

The "retired" German may just spark an arms race—and that's great for cycling.

The viral video clip that supposedly proves that Ryder Hesjedal’s bike has a motor is completely ridiculous.

After his loss to 20-year-old Brazilian phenom Gabriel Medina in historic conditions at the Billabong Pro Tahiti, the 11-time world champion will want an even dozen more than ever.

Last year in Nazaré, Portugal, the Brazilian surfer nearly drowned while trying to ride the biggest wave ever surfed by a woman. Most of the alpha males who dominate the sport say Gabeira doesn't belong in their ranks, but nothing will stop her from going back in.

European resorts are pushing battery-powered trail machines hard. Can they override traditional mountain biking culture?

With a series of impressive 100-mile wins under his belt and perhaps the most fitting name ever bestowed upon a shoe-salesman-slash-ultrarunner, Mike Foote seems to be doing everything right.

Think you're ready for the world's longest stand-up paddleboard race? We'll be the judge.

A ride through the USA Pro Cycling Challenge with 2012 champ Christian Vande Velde

Sometimes when I'm in the middle of a really hard workout, it tastes like I'm sucking on metal. Here's why.

7 hot tips from the show’s ultimate competitor, Kacy Catanzaro

Your legs are your foundation. With this quick-paced routine, you'll build the explosiveness and durability to conquer any mountain.

A new global racing series aims to make the electric car cool.

There’s a reason more and more amateur athletes are turning to professional trainers to retool their workouts: it’s the best way to improve performance.

Yosemite Valley, the birthplace of rebel climber culture is supposed to be all cleaned up and mellowed out. But as a new film shows, the outlaw spirit is alive and well.

Six new ways to power up without sacrificing taste

4 new mountain and road bike kits for summer

Niner launches a steel 29+ mountain bike and auctions nine special editions to benefit trail advocacy.

More gear companies are making running sunglasses that are both stylish and functional—to improve your vision and your PR

After an Ironman or an ultramarathon, is it better to take days (or weeks) off of strenuous exercise, or to get right back out there?

Henry Hawk is 77 and still obsessed with fitness. But lately he's also been focusing on a new passion project: Helping spinal injury patients move again.

It might actually improve your surfing.

To create the next wave of super-athletes, Red Bull has turned to a novel new treatment: trickling a small electric current through the brain's motor cortex. Just don't call it electroshock therapy.

Plus, celebrate the 30th anniversary of the marathoner's Olympic win by making her favorite oatmeal cookie recipe

Cycling isn't always spectator-friendly. But the UCI's decision to allow on-the-bike cameras at the Tour de France might just change how you view the sport.

When CrossFit denied our request to cover the 2014 CrossFit Games, we decided to look into the organization's long history of bullying anyone who dares to ask the hard questions—or look too closely.

1,800 CrossFit gyms already offer programs for kids. Should they?

Six new pieces of gear you’ll see on the pros at this year’s Tour de France

Five companies launched new models for their Tour de France teams. Even if you can't ride the new bikes yet, you can drool over 'em.

Serious careers? Check. Committed to their families? Check. Able to beat the pros at their own game? You know it. Five hard-charging desk jocks who manage to do it all share the secrets of their success.

11 questions you’re too embarrassed to ask about cycling’s most famous race.

On the other side of a distinguished career and a very public doping fiasco, America’s best cyclist not named Lance Armstrong can’t stop riding. But where is his generation of tainted racers heading?

It may not be coincidence that led host country Brazil to the World Cup’s semi-final round for the first time in 12 years. But if Brazil really did have a home-field advantage, what do we make of the team’s tournament-ending, humiliating loss to Germany Tuesday? While a large…

Our genetic profile only tells one piece of the story, but that hasn't prevented scientists from making some bold assumptions about human performance.

Defending champ Chris Froome crashes out of the Tour de France, while many top GC favorites flounder.

To win this year’s Tour Divide, Jefe Branham rode 170 miles a day, slept an average of four hours a night, and endured both unrelenting snow and 100-degree heat for 16 days straight. What you can learn from his time in the pain cave.

That magic threshold is, well, bogus. And we've known it for years. So why are we still so obsessed with logging 10,000 hours of deliberate practice?

New research suggests that the best-looking cyclists are also the best-performing cyclists. So what does that say about who will win this year’s Tour?

Taking your kids to an ultramarathon can be a distraction from the aches and pains of running long distances

With last month’s win at the Dauphiné, the young Garmin-Sharp racer showed that he's ready for the Tour de France. Will we see an American on the podium this year?

A dispatch from the world’s toughest mountain bike race.

Designers are using inflatable technology to make products—from the ultimate commuter helmet to airy insulation—lighter, safer, and more portable.

Now that the U.S. is out

No, they’re not cheap, but these new mountain wheels might be the single biggest improvement you can make to your bike.

With the World Cup underway, the beautiful game is first in hearts and minds. But Brazil has another signature sport: jiu-jitsu. The martial art and self-defense method is based on grappling and ground fighting. It’s a finer art than just choking a dude out. Although hailing from Japan, the Brazilian…

After 100 races he just keeps going and going

Virtual reality is just for gamers. But augmented reality—a new wearable technology—could revolutionize how we train for sports, making athletes faster, better, and more precise.

Landing easy money to pay for adventure is a thing of the past. Now athletes must perfect the art of low-cost, high-risk expeditions to access the world’s remotest corners, and young mountaineer Ed Farrelly is leading the charge.

On a sprawling farm in Vermont, Spartan Race founder Joe De Sena runs a business and a fitness crusade. He'll train anyone who shows up, with one major caveat: You must submit to his every cruel and unusual whim.

The multisport athlete wins at the GoPro Mountain Games for the eighth consecutive year

Why Clint Dempsey is the perfect player to shoulder Team USA's daunting World Cup campaign

When it comes to big air, this dock dog is a natural

The first time I put on a pair of Spy Discords with the Happy Lens technology, I was blown away by the sharp optical clarity and how well the shades protected my eyes. But do these lenses actually make you happier, as the name would suggest? Sort of. Before…

We’ll start by stating the obvious: with the 2014 FIFA World Cup about a week away, now is not really the best time to book your trip to Brazil so you can brag afterward about seeing soccer’s big dance in person. But you already know that—and you…

These images, from some of �����ԹϺ���'s favorite photographers, will make you want to pack your bags and get lost in adventure.

A "#fitness" selfie now qualifies as a training tool. Go ahead and be vain. (You probably think this story's about you, don't you?)

What do you get when you cross three former Navy SEALs, an attorney, degrees from Harvard’s business and Kennedy schools, and passion for the mountains? A brand new breed of eco-friendly obstacle race.

A new report details the factors behind our surprising speedskating failure in this year's Olympics—and any athlete can learn from its findings.

According to AVP Pro and Olympian April Ross

In his new memoir, George Hincapie delves into the past, examining his relationship with Lance Armstrong and his own choice to take performance-enhancing drugs. In an extended interview, he explains why he still has hope for cycling.

The U.S. soccer team's breakfast of choice.

Fast, furious, and under-the-radar, short track mountain bike racing offers something for everyone

See more of what you want, and less of what you don't, with these primo performance shades.

A growing number of trail runners are finding a new way to test themselves—without race fees, bibs, or finish line chutes—in search of virgin trail and new course records.

George Hincapie was one of the peloton's most respected riders—and Lance's dominant domestique. But when he had to testify before the U.S Anti-Doping Agency, he faced a brutal choice: Speak out about Lance and his own doping past, or quit the sport altogether.

The avalanche of data generated by fitness tech has science zeroing in on some surprising performance recommendations.

Sunset on the southeast coast

It’s a new golden era for outdoor baseball—one in which Major League ballparks go out of their way to evoke a sense of place. Some do this by bringing the outside in. Safeco Field, home to the Seattle Mariners, features exposed steelwork—a nod to the freight trains that rumble nearby.

Study finds correlation between lack of exercise and deficient long-term memory.

Sixty years removed from Roger Bannister’s breakthrough run, the distance is all but dead in the U.S. But a new organization hopes to change all that—and rebuild running from the mile up.

Nine million data points determine we’re all irrational

It's counterintuitive, but when you're training hard, not eating can lead to piling on the pounds.

Perth was thrust into the public consciousness recently for being the home base of the search for missing Malaysia Airlines Flight 370 in the Indian Ocean. But this city of 1.7 million people with a Mediterranean climate on the remote southwestern corner of Australia has hardly been a secret…

Reduced-oxygen training room Air Fit opens in Bay Area

It's a long road to the 2016 Olympics and Phelps isn't guaranteed a spot on the U.S. team. But he's back in the pool and things are going swimmingly.

Good news! Your post-race pavement pizzas don’t have anything to do with your lactate threshold. “You’re going to be running your lactate up when you’re doing things more intense, but the two are not directly related,” says Dr. Stephen Simons, Director of Sports Medicine at…

The most hated man in bike racing wants a second chance with the public. Here's why that's not a sign of the apocalypse.