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

Let's start with a bold statement: There are runners who only want to live life in the fast lane. And then there is the other kind of runner, who prefers to maintain a slower, steadier pace—even if it ...

Here’s an example. Running an ultra marathon requires endurance, because the goal is to maintain a steady pace for several ...

Hyrox is a real challenge because you have to run 8km and finish all eight workout stations, from the Farmer’s carry to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." In a small study, sprint interval exercise helped to “clean-up and rebuild” cells better than ...