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

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 ...

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.