One of the best ways to do that is with a style of workout called interval training. But once you’re comfortably running a few miles at a consistent clip multiple times per week, occasionally ...

Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's Health+ Ultimate HIIT ...

Sprint interval training, or SIT, is super trendy right now. It’s a great way to improve your running speed and to get in a hard interval workout, and I’ll explain exactly how. But I also need ...

One of the best ways to do that is with a style of workout called interval training. Most runners focus on racking up mileage when they start running. Taking that approach to build your aerobic ...

If you've ever given up on exercising because you didn't see results fast enough, then interval training may be for you. It's more fun. You're doing a lot of different things. You're not doing the ...