Everything you need to know about high-intensity interval training to help you hit the ground running in 2026—including a low ...

High-intensity interval training involves performing an all-out, exhaustive physical effort for a short time followed by a short (sometimes active) recovery. Its benefits are clear: Effective HIIT ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? The best shoes for HIIT workouts have the “Goldilocks” effect—you want a ...

High-intensity interval training has transformed the landscape of modern fitness, offering scientifically proven results in condensed time frames. This comprehensive seven-day program combines intense ...

The cardio world has split into two passionate camps that argue with the intensity of people debating pineapple on pizza. On one side, you have the HIIT devotees who swear by short, brutal workouts ...

When it comes to getting enough exercise, everyone searches for something that speaks to them. Some people love the quiet solitude of jogging alone while others prefer the competitive element of team ...

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 ...

As women enter their 40s and beyond, hormonal changes can make it harder to build muscle, maintain energy, and manage body composition. High-intensity training is one of the most powerful tools for ...