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The Five Things That Happen to Your Body When You Quit Working Out

The good news? They're all pretty simple to reverse—or prevent entirely.

Ranking the World's Toughest Outdoor Sports

We crunched the numbers and consulted the pros to answer the perennial barstool debate

How to Explain Running to Non-Runner Friends

And not sound pretentious

The Definitive Guide to Banishing IT Band Pain for Good

We asked the experts how to diagnose, treat, and prevent running's most frustrating, most common injury

The Most Popular New Spotify Songs by Sport

Turns out runners and bikers both love Ed Sheeran, while CrossFitters can't decide whether they want to turn it up or get angry