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Hall will tackle her first-ever marathon in Los Angeles on March 15. Here, she talks mileage, fueling, and how to train with your spouse. (She’s married to two-time Olympic marathoner Ryan Hall.)

So conquer it with these six tips from cycling’s comeback queen, Alison Tetrick.

A marathon swimmer's reenactment transports theatergoers to the middle of the Florida Straits

How a man wrongly convicted for murder spent nearly a decade in prison—and emerged as a fitness guru.

More than 76 years ago, a visionary Australian coach had an epiphany that forged a generation of super-athletes: true fitness is all about translating fear into raw power.

One of the most surprising heroes of World War II was a pint-sized shepherd nicknamed The Clown—and his fitness wisdom can change your life.

Ill-chosen goals put you at risk of injury and burnout. Here's how to avoid that fate in seven easy steps.

When a longtime triathlete took on a Kokoro camp—a beyond-extreme fitness challenge modeled on the Navy's Hell Week for SEAL candidates—his first question was purely about the pain: Can I survive this? The second was more metaphysical: Should I even want to?

Our drive to raise billions annually is a crazy effective performance enhancer.

I know that proper form while I'm working out is important, but what about my posture the rest of the day—does that really impact my fitness level?

This ergonomist has a mission: to design an office that's scientifically proven to boost your fitness, mental health, and productivity.

I've always heard that exercise is good for the brain, but does it actually have a real-world impact?

I want to see if my smartphone can make my workout better, but there are so many choices. What are some tried and true apps that I won't just delete a week in?

The 33-year-old triathlete is American's best hope to reclaim Ironman Kona.

The best tool for building strength is the sandbag—so long as you're prepared to suffer.

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

Rule One: Don't confine your training to the gym. Movement needs to be a lifestyle. Rule Two: Don't just move. You need a goal. And you need to train.

Challenge your friends to a grueling drill-based challenge, then whoop their butts.

Sure, running five minutes a day will help you live longer, but it's not going to get you in shape—or even scrape the surface of your potential.

Matthew McConaughey says yes.

Ingenious tips from essential wellness books

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.

Nathan’s Zeal race vest packs a lot of hydration into one small, efficient must-have.

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

Some people might be built for speed and others for distance, but everyone benefits from running faster. This is how you do it.

Bring on the bass.

I thought that starchy foods aren't good for you—why do I keep reading about the health benefits of this certain type?

Hint: It has nothing to do with mileage or speed

In The Art of Competition, Ironman-turned-author Mark Allen gives insight into the thoughts that helped him race his fastest while living to the fullest.

Two brothers and a sister—whose parents are endurance athletes—attempted to swim the English Channel together this month. Does the family factor add any advantage?

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

There's more to life than chasing definition in certain muscle groups. Maintaining a healthy weight, for instance.

The "eight-percent rule" ignores the power exercise has to counter time spent on your butt.

Hardrock veteran Kirk Apt has logged 2,010 miles and 680,000 feet of vertical ascent through the San Juan Mountains since 2000. Here's how.

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.

Most CrossFit affiliates across the country welcome out-of-towners who want to take part in the workout of the day—or WOD—making any vacation into a possible CrossFit vacation. But if you’re looking for a trip that specifically caters to people who like to spend their free time doing burpees, snatches, ring…

For the sake of your spine and your sanity, heed these rules

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

Sometimes you have to take your own advice—or suck it up and eat crow.

You’re likely to face some hot races, or at least some hot training days, this summer. So I asked five elite ultramarathoners what gear they recommend to keep cool during the hottest months of the year. Below, I’ve listed five gear hacks, tips, and products these men use to battle…

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.

Bet you didn’t think this would come up in your fitness regimen, but your esophagus needs love during training, too. Intense exercise can contribute to heartburn and gastroesophageal reflux disorder (GERD), and there’s a good chance that ramping up your routine may be causing your symptoms, says…

How do we put this nicely? If you’re anything like the participants in a recent Canadian study, you’re probably wrong about your workout intensity. (And yes, you probably are like them, considering that the group contained both men and women of different ages, ethnicities, and BMI classes.)…

Sweating's divorced from everything chic...right?

Play outside with kids your own age

Studies and experts suggest that nasal strips like Breathe Right don’t improve athletic performance in adults in any measure—no improved VO2 max, ventilation, maximal work rate, lactate threshold, or lowered ratings of perceived exertion. And it appears the same goes for horses. “Equine nasal…

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.

This may not be the answer you’re looking for, but it’s the truth: The most effective way to get back into shape (and stay that way) isn’t by just doing one magic move over and over. The good news? You may not have to work out more than or…

In a desperate measure to burn surfeit calories, men and women have rushed to stuff their jiggly bits into resistance pants. But can clothing really make a workout any better?

Depending on the school of thought you’re following, meditation can be practiced in a number of ways—sitting cross-legged in a dark room, while on a long run, or even on a crowded bus with the help of a smartphone app and a pair of headphones. In general, though,…

Some full-grown athletes are turning to breast milk—yeah, you heard us—for an energy boost and protein push. If you're thinking there's something wrong with that, you're right.

If you're in it for the long haul, you might as well haul it in.

According to AVP Pro and Olympian April Ross

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.

Runner and national bestselling author Matthew Fitzgerald shares a pizza recipe for runners looking for a tasty boost.

Sometimes, what's common knowledge doesn't need scientific validation. Listen to the advice of these two legendary athletes and remember that even the strongest of us need a little rest and relaxation.