"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Both running and swimming are great forms of cardio, engaging your muscles, boosting heart health, ...

Running has become a popular activity for improving health and, for many, a key strategy to shed those extra pounds. However, it's common to hear the frustration of those who, despite logging miles, ...

If you feel like all of your friends are suddenly training for major endurance competitions like half marathons, marathons, or even triathlons, you might feel a bit of FOMO from watching them rack up ...