Athletes who seek optimal performance by taking part in competitions learn valuable information from tests that measure your ...

Your VO2 max is an important metric for your running strength and overall health. But focusing too much on it can derail your ...

If it seems like everyone in your run club is talking about VO2 max these days, we wouldn’t be surprised. This metric—which is essentially a measure of your cardio fitness—is a zeitgeisty topic, ...

From looksmaxxing and sleepmaxxing to frictionmaxxing: 2026 has been a year of optimising specific aspects of life. The latest to emerge is VO2maxxing, which relates to how much oxygen your body ...

If you're a fitness fiend or working to improve your health, you're probably always looking for ways to run faster and farther, train harder and push your limits. You might even already track a number ...

What exactly is VO2 Max? Simply put, VO2 Max is the maximum volume of oxygen your body can use during intense exercise. Think of it as your body’s engine efficiency – the more oxygen your body can ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Whoop, the screenless ...

Setting a new personal max is a great way to chart your progress toward your fitness goals—so what’s the easiest way to do that? One useful step is to improve VO2 max, which is a measure of how much ...

So you just got your VO2 max number by charting it on your watch, estimating your number at home, or even heading to a lab for a more formal test … but now what? You have that shiny number in hand, ...

VO2 max grabs the headlines. But the physiological qualities that separate good triathletes from great ones run considerably deeper. Here’s what really matters – and when to work on each one.

In one clip, he’s standing on a treadmill in a lab with his face covered by a mask and eyes on a monitor displaying his performance. The display shows his VO2 max at 101.1. To put that into ...