The Sweat Science Manifesto | Outside OnlineFitness

The Sweat Science Manifesto | Outside Online

If you’re as old as I am, you might remember a mid-1990s commercial in which a smug jock challenges Jason…

Distance Running's Dirty WordsFitness

Distance Running's Dirty Words

There’s a George Carlin bit called “Fussy Eater” in which the late comedian riffs on the idea that some foods…

6 Ways to Prevent Overuse InjuriesFitness

6 Ways to Prevent Overuse Injuries

Endurance sports have a problem with overuse injuries. The stats are sobering: as many as 75 percent of runners will…

The Ultimate Gravel-Grinding Buddy TripFitness

The Ultimate Gravel-Grinding Buddy Trip

“A little public-service announcement,” declares off-road riding legend Rebecca Rusch, also sometimes known as “the Queen of Pain.” My childhood…

Here's Why Cross-Training Is So MiserableFitness

Here's Why Cross-Training Is So Miserable

One morning, in the spring of 2011, I was pool running in Berkeley, California. As I bobbed through the water,…

The Food Diaries of a PCT Thru-HikerFitness

The Food Diaries of a PCT Thru-Hiker

Every day of the past five months, as I’ve made my way through 2,000 miles of the Pacific Crest Trail,…

Rich Roll on How to Sustain Peak PerformanceFitness

Rich Roll on How to Sustain Peak Performance

Though building up your body and mind to tackle athletic challenges may seem like a unique endeavor, that’s not the…

Comparison of 310 Diet Shakes and Medifast ShakesWeight Loss

Comparison of 310 Diet Shakes and Medifast Shakes

If you’re looking to make a dramatic shift in terms of how you feel and look, one of the best…

Testing the Apple Watch Series 3Fitness

Testing the Apple Watch Series 3

To really understand why the Apple Watch Series 3 matters, you have to recall a bit of recent tech history:…

Tracksmith's Unapologetic ElitismFitness

Tracksmith's Unapologetic Elitism

On its website, apparel company Tracksmith describes itself as a “champion for the Running Class.” Who belongs in this mysterious…