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 ...

VO2max is a measure of cardiovascular fitness, and many watches and fitness trackers can estimate it for you. Here's what you ...

“VO2 max is the best measure of cardiorespiratory fitness,” says Andrew Getzin, MD, head team physician of USA Triathlon and sports medicine physician at Cayuga Health in Ithaca, New York. “To have a ...

There are a lot of things you should track as you age as a runner: your mileage, your heart rate, and your sleep quality to name a few. But are you paying attention to your VO₂ max? Scientifically ...

A routine sweat sesh can offer a whole slew of health benefits, but if you really want to capitalize on those workouts, going hard (think: sprinting, HIIT, intervals) may be your best bet. At least, ...

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 ...

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 ...

Maybe your smartwatch has been telling you your VO2 max for a while now, but you’re not sure how accurate it is. Or maybe you’ve recently been targeted by social media ads for fancy running labs ...

If you think of ways to measure your overall health, certain benchmarks likely come to mind. The bloodwork you get done at your annual physical, maybe. Your body mass index. Perhaps how much you can ...

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 ...