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, ...

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 ...

New year, new goals. Now's the time to start training for your next goal and reach your peak fitness. The post Top 10 unmissable fitness challenges for 2026: test your max strength, endurance, and ...

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

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's Health+ Ultimate HIIT Challenge is a week-long program that combines high intensity interval training ...

When Flywheel Sports asked us if we were interested in doing its FlyPlus challenge (three barre classes and three indoor-cycling classes a week for four weeks), we were pumped. We're super competitive ...

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) ...