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

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Sprint interval ...

Traditional long distance running can be time consuming and usually doesn’t involve higher intensity sprints. Interval running can help you achieve results while still fitting your lifestyle needs.

Whether you ascribe to polarized training, pyramidal training, or sweet-spot training, ultimately all different training philosophies come down to mixing up easy training with hard training in various ...

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 ...

High intensity interval training (HIIT) can offer significant health benefits to people with weight loss goals by burning more calories, reducing body fat, and improving general well-being. HIIT can ...

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 ...

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 ...

The American Heart Association recommends that adults get "at least 150 minutes per week of moderate-intensity aerobic activity or 75 minutes per week of vigorous aerobic activity" — or a combination ...