Reboot Your Fitness

A frank survey of the hottest new workout classes

One of our editors spent a month working through her feelings with Woebot, a therapy chat bot. Here's how it went.

A fast-mimicking program called ProLon claims it can

A month on mPEAK, a performance-driven mindfulness program

One writer sacrificed (not even close to) everything to get to the top of the leaderboard

Addicted to efficiency? Start by finding your lowest point in the day.

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

This fall I joined the ranks of Shawn Baker's all-meat cult for 30 days. Here's what happened. 

Notes from a monthlong hydration quest

My father founded the notorious 120-mile Triple Bypass bike ride in Colorado. After a few failed attempts, I set out to finally complete it.

Don't set yourself up for failure

The protein and muscle guru Luc van Loon wants you to bulk up—and keep what you've got

Because no one podiums at noon or tags a summit at dusk without a proper first meal.

Whether you’re an elite athlete or a restless desk jockey, there are better ways to achieve your goals. Just ask 4-Hour guru Tim Ferriss, who started quizzing the world’s greatest performers on their routines as a side project—and ended up with a whole new approach to training.

Here's how world-class athletes do the trickiest meal of the day

Does stretching prior to a run prevent injuries and improve performance? Does guzzling water prevent cramps? Here's the truth about the top 10 fitness myths.

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.

The Fountain of Youth is a myth. But take heart: Intelligent training and an adventurous spirit will keep you running, kicking, screaming at the peak of your potential for years to come.

A morning run or evening spin class may feel great, but if the rest of your day involves sitting on your ass, a brief burst does little for your overall well-being.

The difference between hitting the summit and hitting the wall comes down to the fuel in your belly.

In 2015, in a secret medical procedure carried out in Bogota, Colombia, the 44-year-old woman got dozens of experimental gene-therapy injections. Why? Because Parrish, the creator of a longevity company called BioViva, believes that science is on the cusp of delivering radically longer lifespans—and she wants to help bring on the revolution.

The entrepreneur believes that biohacking can rocket your body and mind to peak performance. His Bulletproof diet zoomed into the mainstream, his Bullet-proof coffee has everyone quaffing butter, and his Bulletproof books fly off the shelves. Now Bulletproof Labs is out to hack, well, everything.

Sick of protein shakes and energy biscuits? Meet the exercise physiologist who has revolutionized sports nutrition with a radical new diet for athletes—real food.

An exclusive look inside the cutting-edge Army lab that's pinching, prodding, dunking, bruising, and building the soldiers of tomorrow—and revolutionizing adventure fitness along the way.

What Twight rails against is mediocrity of effort. I’d drunk heavily from his rancid punch, and in a strange way I looked forward to more.

Kale Poland, founder of Cleetus Fit, takes pride in a brand of fitness where dumpster towing and beer yoga are equally at home. Now he's out to conquer the Deca Ironman—ten Ironmans in a row.

Want to perform like a pro, even with the years piling up? Nick Heil got the deluxe treatment at Exos, a cutting-edge outfit that works with NFL players and soccer stars. He came out slimmer, stronger, and more focused—the perfect upgrade for anybody, at any age, who plays hard in the outdoors.

He's a retired Navy SEAL, so prepare to suffer

When you enter the Western States 100—a day-and-night endurance run in the Sierra Nevada—you can "mature a lot."