If you wear a running watch, you might have noticed a function that estimates your VO2 max score. If your running is in a good place, you might have seen this number rise over the past few months or ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When I first started running, I always tried to aim to run at a fast pace, which constantly made me feel ...

Running in zone 2, by definition, should feel easy. And that’s a good thing, considering zone 2 runs make up the majority of any good training plan. These easy efforts serve as the building blocks for ...

The issue: Many runners (particularly women) report that their fitness trackers tell them they’re exercising in a higher zone ...

Exercising at your max heart rate might leave you drenched in sweat, but that doesn’t mean it’s something you should do regularly. In fact, spending too much time in the high zone could cause symptoms ...