Most solid training plans include a weekly speed workout, often in the form of intervals. But the length of those intervals usually depends on your race distance, training goals, and fitness level.

The Japanese Interval Walking Training (IWT) is gaining huge traction as a walking workout that burns fat and lowers your ...

Ease into exercise with “Japanese walking,” a popular 30-minute interval training regimen that alternates bursts of speed with a walk at a normal pace.

Interval running condenses the powerful effects of regular running into shorter, high-intensity bursts. Research shows it can ...

Burn fat with a 25-minute interval walk. Brisk bursts and a hill push keep your heart rate high and results coming.

You can reap the many health benefits of HIIT by exercising for a shorter — yet more intense — period of time.

A combination of interval training and eating only within fixed times of the day could be the key to getting rid of dangerous belly fat. It's that time of year again. We emerge from the Christmas ...

The Huberman-famous protocol promises to gamify your interval training, but the rules seem to make it worse, not better, than standard interval workouts. The Sugarcane workout is a series of intervals ...