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, ...

When you think about how fit you are, you might think about how far you can run or how many push-ups you can do. Or maybe you think about health metrics like your resting heart rate or heart rate ...

VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness. When you think about how fit you are, you might think about how far you can ...

Whoop, the screenless watchband-like wearable that beat out Oura in my non-watch fitness tracker showdown, has just added a VO2 max feature to its app. Now, just like Garmin, Apple Watch, and others, ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. VO2 max measures how much ...

If you wear a running watch, you might have noticed a function that estimates your VO2 max score. If your running is in a good place, you might have seen this number rise over the past few months or ...

For those unfamiliar, VO2 max might sound like the latest performance-enhancing supplement, but it’s actually the term used ...

On TikTok, VO2 max is going viral as the key to improving your endurance during a workout. In short, you can think of this metric as the maximum amount of oxygen your body uses during exercise – V ...

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." A new study, involving nearly 800 older adults, points out the factors most associated with higher VO2 ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. The headline findings are ...