I recently decided to completely switch up my half marathon training. I swapped miles for time-based training runs, and because I’ve never been much for speedwork outside my high school cross-country ...

Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's Health+ Ultimate HIIT Challenge is a week-long program that combines high intensity interval training ...

Chances are you’ve heard of HIIT workouts — but you may not know exactly what that means. And even if you do, maybe you’re looking for a fresh routine that you can sneak into your day. We’ve got you ...