Speaking of power output, stairs work some of the biggest muscles in your body (think: glutes, quads, and calves. Plus, ...

Whether you’re running outside or just hitting the treadmill, good music can often make the difference between a great run ...

Fast forward 18 months, however, and not only has the Cielo X1 received a second iteration, but the Rocket X is also back in ...

At 3:10 a.m. Sunday morning on a remote trail near Foresthill, California, Jan Vleck was in a desperate place. He was 78 ...

Rice, who ran a world record in the marathon in the 75-79 age group last year, has an incredibly high V02 max.

In this episode of The Amazing Runner’s World Show, Aly is joined by Hype Editor Ashley Tysiac to talk about a pacing tip ...

This year, Amazon has expanded Prime Day to nearly a week: The sale starts on Tuesday, July 8, and runs through Friday, July ...

Kilian Jornet placed third at Western States 100 on Saturday evening. The 37-year-old, universally recognized as the greatest ...

Hot summer miles double the stress on your body, as heat makes any effort harder. “Heat exposure and exercise both increase ...

Gibbard thought he was having heat stroke at the prestigious California endurance run—but the musician made it to the finish ...

Long runs and more training volume make your body’s mitochondria — often called the “powerhouse of the cells,” they help you create the energy your body needs while doing aerobic running — more ...

Bill Dellinger, Olympic bronze medalist in the 5,000 meters, mentor to the legendary Steve Prefontaine, and for more than 30 ...