You may already know your VO2 max is a strong predictor of how fast you are on the bike. But if you’re fuzzy on the details, including what the term actually means, why it matters, and how you can ...

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 ...

But Zone 0 won’t get you there. To build VO2 max, you need to raise your heart rate with purposeful effort, whether through ...

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 ...

If you gather a group of runners together, you’ll often hear the same kinds of chatter. Sure, race PRs and training niggles will probably predominate, but there’s another topic that’s been ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Running at the best of your ability is somewhat of a numbers game. To hit new PRs, you’ll want to keep ...

VO2 max is a buzzy measure of heart health and fitness. I tried a class that promised to boost my VO2 max through cardio and breathwork. I don't typically do cardio, and I realized taking classes ...

When runners talk physiology, two terms dominate the conversation: VO2 max and lactate threshold. The two metrics are related but not the same, and they shape performance in different ways. Naturally, ...