Endurance

Swimmers: Don't Worry About Flesh-Eating Bacteria

Cue the chilling background music: Flesh eating bacteria can lurk in your favorite swimming spots. But don't panic. For most people, even those in affected regions, the water is still safe—especially when you're using common sense.

Why You Should Hire a Coach

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

Hal Koerner's 20 Rules of Running

You'll never get close to the ultrarunner's 90-plus podium finishes, but his rules will help you run your best race.

The Joy of Cycling: Now Available for Everyone

In 2007, Boston was ranked the worst biking city in the U.S. by Bicycling magazine—for the third time. There were plenty of reasons: lack of lanes, poor road conditions, boorish drivers.

A Pool Workout, Without the Swimming

In this #WickedWednesdayWorkout, find a pool and you've got yourself a 15-minute resistance session that will raise your heart rate and fry your core.

The Fittest Real Athletes in America

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...

The Right Way to Recover After the Crash

When a skull makes contact with a hard surface, damage control happens in a rush. Traumatic brain injuries (TBIs) often require immediate surgery, and even during the slow recovery process an urgent...

Coach's Orders: Turn Off Your Wi-Fi

Outside catches up with the author of "Beyond Training: Mastering Endurance, Health, and Life" to find out if it's possible to train at a high level while having a family, job, and life outside the...

OCR's Energizer Bunny: Brad Kloha

Brad Kloha refused to quit. His body told him to. His mind did too. And more than a few loved ones face-palmed when they’d see him hobbling around after races, knees wrapped in ice. But he kept going...

The Next Big Thing

Kai Lenny is a 21-year-old hailing from Paia, Hawaii who also happens to be the breakout star of the SUP world, having paddled his way to six world titles.

Turning Climbers Into Real Athletes

Climbers typically have little understanding of basic training principles. And changing that will unleash a whole new breed of alpine expert.

How to Beat the Blerch

When The Oatmeal comic-strip author Matthew Inman first started running, he invented an invisible fat cherub called the Blerch. Years later, after he’d logged hundreds of miles and shed his extra...

The Most Punishing Man in Fitness

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...