"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." I’ve been an avid long-distance runner for more than 10 years—and my job and passion have led me to test ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There's no reason to make running any harder than it is naturally. We don't need to run in suboptimal, ...

I still remember my first long run. I was 19, home from college, and it was one of those perfect summer days: bright and blue and not too humid. When I got to the end of the trail, my typical ...

Last winter, a study startled the running world when a team of researchers concluded that, under the right circumstances, Kenyan superstar Faith Kipyegon could break a barrier long thought impossible ...

Distance running is experiencing a surge in popularity, particularly among Gen Z. Athletes who under-fuel their bodies risk a condition called Relative Energy Deficiency in Sport (REDs). Symptoms of ...