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

If you’re looking for a way to boost your athletic performance, calorie burn, and fitness level, you may want to consider sprint interval training (SIT). Similar to high intensity interval training ...

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 ...

Most solid training plans include a weekly speed workout, often in the form of intervals. But the length of those intervals usually depends on your race distance, training goals, and fitness level.

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 ...