"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, ...

Why this full-body water routine is becoming America’s favorite way to build strength, boost cardio, and protect your joints.

Has Age Group Swimming Gotten Too Competitive? As the years go on, swimming keeps getting faster. Like most sports, it evolves as athletes find new ways to become stronger, quicker, and more skilled.

Hiking is a great cardiovascular workout that increases heart rate and improves circulation. The varying terrain of hiking trails makes the body work harder, which helps build stamina over time. The ...

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 ...