High intensity interval training (HIIT) is only effective for improving fitness when performed at 60-second intervals, according to new research from Liverpool John Moores University, presented today ...

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 ...

If you’re in a run/walk training program, going out for a workout isn’t as easy as lacing up a pair of running shoes, connecting your GPS watch, and selecting the “open run” option. You need to track ...

Consider speed a goal that never goes out of style. Whether you have a (likely virtual) race on the calendar, or you’re just bored with your run routine and need a new challenge, intervals should have ...