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 ...

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 is a repeated series of high-intensity exercise bouts, alternated with low-intensity exercise bouts or rest periods to form a workout. Interspersing more demanding and less demanding ...

I am 41 years of age and have been walking regularly. I was told by my colleague to try interval training to add challenge to my workouts. I have a treadmill at home which I use sometimes. What is ...

YEAR2.7 biennial intervals starting in July of even years YEAR2.19 biennial intervals starting in July of odd years YEAR4.11 four-year intervals starting in November of leap years (frequency of U.S.