Cardio
I Broke My Ankle During a Spartan Race—and Can’t Wait to Get Back Out There

How suffering an injury doing what you love can be turned into something positive—and ultimately help you get fitter, faster.

INJURIESarticle
Which Workout Burns More Calories?

From swimming to skating, yoga to yard work, see how your favorite sports, workouts, and everyday activities stack up.

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CALORIE BURNINGslide show
13 Marathon Essentials Every Runner Should Own

In honor of the NYC Marathon, we rounded up our must-have gear that will help you look stylish from the moment you start to the second you finish.

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WORKOUT GEARslide show
The Best Hiking Backpacks for Women

These 6 new packs are designed just for your body, so you can carry your load comfortably—and enjoy your outdoor adventure.

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HIKINGslide show
10 Night Races to Sign Up for Today

Over the early wakeup calls most races require? Embrace the dark at these runs that finish after twilight.

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RACESslide show
10 Fat-Blasting Tabata Plans

Take your tabata off the treadmill and torch mega calories in 4 minutes with these moves.

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“I Raised $1,000 in 74 Minutes.”

Kaley Burns set a new personal best while raising money for cancer. You can too with one of these nationwide relay races.

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RACESarticle
Can You Outrun the Flu?

New research suggests that sweating it out can stave off the flu. But are you moving fast enough?

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What Your Mouth Is Telling You About Your Workout

Dry mouth? Extra-sensitive teeth? Here's what those symptoms mean.

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