Cardio

Sold on the weight-loss benefits of sprinting but not sure how to structure your workout? We’ve outlined three options that can get you fitter, faster.

Whether you’re running one mile or 100, these six tips from an elite ultra-runner will get you there faster.

The jump rope is one of the simplest, most portable fitness tools at your disposal. Learn the basics and get shredded with these four unique programs.

Cardio isn’t fun…unless you’re getting it done without really trying. Here are five ways to do just that.

Why they suck, why you should do them anyway, and how exactly to prep yourself for the task.

Looking to ditch a few pounds? Use these powerful cardio programs to strip body fat in eight weeks with specific plans for 5- or 10-pound losses.

Looking to boost your speed and conditioning? Find a hill and get to work.

There are many options for blasting body fat when the weather outside is frightful. Here are five.

Improve your size and conditioning with these two outdoor workouts.

Bodybuilders hate to run — fearing injury and muscle loss. But done right, running is safe, natural and far more effective than other types of cardio.

The dual aerobic and anaerobic demands of this Tababta protocol will push you to the limit.