Using machine learning to recognize who’s a serious competitive runner and who’s not could teach us something useful about avoiding injuries
Athletes share their favorite tools for staying hydrated on the move
New research finds that those who can identify and regulate their emotions keep pushing when the going gets tough
A host of companies are offering easy, snackable paleo options that you can order online
Lucy Walker was the first woman to summit the Matterhorn and the Eiger—in a billowing dress—but she nearly vanished from history
The six-year-old company valued at $1.25 billion is growing at lightning speed. That may not be a good thing.
Eating for endurance can be tricky, but it doesn't have to be
An in-depth biomechanical analysis of nearly everyone at the world track championships yields unexpected results
There are more ways to mess up sun protection than just, you know, forgetting to use it
Rarely will you find a fitness tip that is equally applicable to all areas of your life.