#1

Question Everything

Question Everything You Know About Fitness
Sep 19, 2016

Question Everything You Know About Fitness

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.
#2

Know Thyself

The New Era of On-Demand Blood Testing
Sep 19, 2016

The New Era of On-Demand Blood Testing

Don’t let the Theranos saga fool you: we’ve entered a new era of self-quantification, in which on-demand blood testing is sold as the easy way to fine-tune your training and nutrition. Can an algorithm really replace your coach?
#3

Make Boredom the Enemy

#4

Use Your Head

Fatigue Is All in Your Head
Sep 19, 2016

Fatigue Is All in Your Head

New research shows that perceptions of fatigue and pain stop us from hitting our physical limits long before our bodies do. Can athletes train their brains to reach unheard-of levels of peak performance?
#5

Ignore Your Limits

We Made 6 Writers Learn Fitness Lessons the Hard Way
Sep 19, 2016

We Made 6 Writers Learn Fitness Lessons the Hard Way

If you’re willing to work hard, conquer your fears, and maybe don some superhero spandex, anything is possible
#6

Train Like a Girl

Train Like a Girl
Sep 19, 2016

Train Like a Girl

It’s time to take a few tips from women
#7

Always Be Moving

#8

Get Fat

Is the Ketogenic Diet Right for You?
Sep 19, 2016

Is the Ketogenic Diet Right for You?

The diet has quietly become the rage among ultra-endurance athletes and elite soldiers, and it's a surprisingly yummy way to fuel up.
A Day in Food on the Ketone Diet
Sep 19, 2016

A Day in Food on the Ketone Diet

How endurance athlete Patrick Sweeney puts away nearly 3,000 calories a day on the ketone diet
Fat Makes a Comeback
Oct 7, 2014

Fat Makes a Comeback

Long shunned by endurance athletes looking to stay lean, the enemy is having a moment
#9

Surrender to the Higher Powers

Body Needs an Upgrade? Surrender to the Higher Powers at Exos
Sep 19, 2016

Body Needs an Upgrade? Surrender to the Higher Powers at Exos

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.
Build Your Own Training Camp
Sep 19, 2016

Build Your Own Training Camp

Two weeks of full-time, one-on-one instruction at Exos can set you back $4,800. Here’s how to get many of the same performance benefits without taking out a second mortgage.
Why You Should Hire a Coach
Aug 18, 2014

Why You Should Hire a Coach

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.
#10

Work Hardest at Rest

Work Hardest at Rest
Sep 19, 2016

Work Hardest at Rest

The key to peak performance: take better care of yourself