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

The latest science puts the squeeze on compression garments

There’s a new competition raging among elite runners: the beer mile, in which you do four laps around a standard track, chugging a 12-ounce brew at the start of each loop. If you can do it in under five minutes—without hurling or passing out—you’re not just fast. You’re a hero.

Tips for developing a rock-hard core from the two-time Ultra-Trail du Mont-Blanc winner

With warp-speed ascents that include the Matterhorn (1:56) and Denali (9:43), ultrarunner turned alpinist Kilian Jornet Burgada is the king of the endurance world's latest obsession: fastest known times. And now he plans to run up Everest.

This year's star attendee: Caroline Wozniacki

The American Record holder returns to New York 13 years after her debut—and she might just break an American record.

Make shopping for running shoes easier with this cheat sheet. We have rounded up what you need to know—including the lingo.