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.

Lack of time is often the main reason people don’t exercise regularly. But a type of interval workout recently popularised by ...

One of the most pervasive myths among runners is that there’s no need for strength training. Some of the most common rumors about stepping into the gym to do anything other than use the treadmill ...

Add Yahoo as a preferred source to see more of our stories on Google. When picking a workout app, first make sure it matches your activity. A runner is going to want something totally different from ...

The phrase “putting the hammer down” commonly refers to drivers smashing the accelerator pedal to pick up a burst of speed, often to beat a waning yellow light. Runners use this idiom in much the same ...

For a program to be most effective, Washington recommends sticking to it for at least four to five weeks before changing it ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? My name is Cori Ritchey, and I am an exercise physiology nerd turned fitness ...

Meredith Dietz is Lifehacker’s Senior Staff Writer. She earned her bachelor’s degree in English and Communications from Northeastern University, where she graduated as valedictorian of her college.

From strength training to agility drills, here’s how the right workouts can naturally improve your heart health ...