Fitness trends come and go. However, every once in a while, a training method emerges that truly endures. One of those methods currently dominating gyms and running tracks alike is high-intensity ...

Interval training has gained enormous popularity in recent years because it offers great results for health and fitness in a shorter time frame than other workouts if done right and with consistency.

Experts share the best types of interval training to help you improve both as a long-distance runner and an all-around athlete.

Interval training’s stock has soared in recent years. Is it any wonder, when it promises to deliver impressive health and fitness perks in a shorter time frame than other workouts? Sessions can be fun ...

Many runners strive to get faster, and boosting VO2 max is often part of that goal. One way to achieve both: The interval ...

There’s a lot of talk in the exercise world about high intensity interval training (HIIT) lately, which is exactly what it sounds like — alternating episodes of exercise with periods of less intensive ...

A new study suggests that HIIT workouts may help preserve lean mass in older adults compared to moderate exercise—but changes ...

If treadmill boredom is an issue for you, I think you’ll find that you can convince yourself to hop on the belt for this ...

While its name is derived from research conducted in Japan, this style of workout—known as interval walking—is popular around ...

The Huberman-famous protocol promises to gamify your interval training, but the rules seem to make it worse, not better, than standard interval workouts. Beth Skwarecki is Lifehacker’s Senior Health ...