Cardio
What Your Mouth Is Telling You About Your Workout

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

3 Fitness Apps for the Busy Gym-Goer

You'll never miss a workout again!

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The 10 Best Costume Races

Running gorillas, sprinting Santas, dashing Disney characters, to name a few. Check out the most creative races from coast to coast!

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RACESslide show
The 10 Best Mile Races In the U.S.

The mile run isn’t just for school kids anymore. The distance is making a comeback. How fast can you run 5,280 feet?

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RACESslide show
The 6 Most Inspirational Women in the Ironman World Championship

The performances in Kona, HI, this weekend will be epic—but some of our favorite stories are those of women who have overcome blindness, family tragedies, cancer, and more.

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5 Up-and-Coming Fitness Studios

Shake up your routine by trying out a new twist on your go-to workout. Here, our roundup of top new studios around the country.

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FITNESS CLASSESslide show
The Verdict Behind 5 Popular Running Tools

Experts sound off on which recovery- and performance-boosting tools actually get the job done.

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5 Ways to Make Your Workout Work Harder

Hit a plateau? Go longer, stronger, and faster with these simple tweaks to your current routine.

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The Top 21 Free Fitness Classes in America

Free? You have no excuse not to get out there!

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FITNESS CLASSESslide show