There comes a time in every runner’s life when it’s time to kick things up a notch. That means one thing and one thing only: interval training. There’s a reason loads of runners don’t like intervals.

These brief, intense workouts can strengthen your heart and boost longevity.

Distance-running plans are chock-full of workouts that improve metrics like VO2 max and lactate threshold to help you run faster for longer. But coach Scott Johnston looks beyond these traditional ...

It involves running at a slower pace for a set period, then sprinting for another preset interval. One paper found that six sessions of sprint interval training improved the pace of seasoned athletes.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." RUNNERS CAN EASILY fall into a basic routine for their workouts: Lace up, hit the pavement, then cruise ...

Interval running condenses the powerful effects of regular running into shorter, high-intensity bursts. Research shows it can improve cardiovascular health, regulate blood sugar, and reduce body fat ...

SOLE Fitness released a HIIT training guide for home treadmill users, detailing beginner to advanced routines. The document also highlights appropriate treadmill models with adjustable speeds, ...