VO2 max is often referred to as a key marker of fitness. It’s the measure of the maximal amount of oxygen your cells can take ...

If you own a smartwatch or wearable fitness tracker, you’ve likely caught a glimpse of your VO2 max, the maximum amount of oxygen your body can utilize during intense exercise. For endurance athletes, ...

High-intensity interval training is important, but coming back to your breath can be crucial to helping you train.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Until recently, VO2 max testing has been inaccessible to most everyday athletes. Unless you had an in ...

For general fitness and health, men should aim for age-adjusted VO2 max scores that put them above average. This will ensure you are maximizing reductions in all-cause mortality from having a higher ...

Running faster with less effort probably feels like the dream. When an eight-minute mile feels like a nine-minute mile, it’s like you could set new PRs left and right. If that is your goal, there is ...

Running to the best of your ability can feel like a numbers game. To hit new PBs, you’re probably under the impression that you should keep tabs on all kinds of ...