RUNNING TO THE best of your ability is something of a numbers game. To hit new PRs, you’ll want to keep tabs on all kinds of stats, like distance covered, pace per mile (or interval), max heart rate, ...

Running at the best of your ability is somewhat of a numbers game. To hit new PRs, you’ll want to keep tabs on all kinds of stats, like distance covered, pace per mile (or interval), max heart rate, ...

A higher VO2 max translates directly into enhanced physical performance across various activities. This improved oxygen utilization capacity manifests in multiple ways. Athletes with higher VO2 max ...

Lack of time is often the main reason people don't exercise regularly. But a type of interval workout recently popularized by ...

New year, new goals. Now's the time to start training for your next goal and reach your peak fitness. The post Top 10 ...

In 2026, the 75 Hard day Challenge has massively gained attention once again within fitness influencers and social media users describing the challenge as a life-changing program. Andy Frisella is the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's ...

Add Yahoo as a preferred source to see more of our stories on Google. A fitness challenge can keep exercise exciting so you avoid a dreaded January plateau. (Getty Images) (mapodile via Getty Images) ...