Those mid-class sprint intervals are tough. But experts break down whether they really get you ready for race day.

The message for runners? Two HIIT sessions a week appears to be the ‘Goldilocks’ zone when it comes to improving VO2 max and ...

High-intensity interval training involves performing an all-out, exhaustive physical effort for a short time followed by a short (sometimes active) recovery. Its benefits are clear: Effective HIIT ...

This month we will be alternating between HIIT walks and a simple HIIT routine that uses just your bodyweight to get your heart rate up. On days when we’re doing walking workouts, you have three ...

If you want a heart-pumping workout without stressing your joints, you’re in luck: This Pilates HIIT workout uses low-impact exercises to get you sweating. The final installment of Sweat With SELF’s ...

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As the temperature drops, low-impact cardio workouts can be the way to get your steps in and heart rate up from the comfort ...

High-intensity interval training, also known as HIIT, is a great way to improve your overall cycling performance. Working through short bursts of intense efforts, followed by brief rest periods, can ...