By most measures, Norwegian triathlete Kristian Blummenfelt is the standard of peak performance in athletics. He won the gold ...

This article is purely theoretical. Some readers will think that the theory is obvious on its face, and others will think that it's wrong. The joy of talking about training theory at the intersection ...

VO2 max has long been a measure of aerobic fitness valued by endurance athletes, but it’s not a stat that should just be of interest to keen sportspeople, because a high VO2 max is also linked with ...

VO2 max, the measure of how much oxygen the body consumes during exercise, has become a ubiquitous tool for professional ...

I was having a great conversation with one of our fit, longtime members about VO2 max. I told him that I should do a column on it. When you Google VO2 max, it states: VO2 max is the measure of the ...

Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

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 ...

VO2 max measures how much oxygen your body uses during hard exercise. A higher VO2 max improves endurance and longevity. Any ...

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, ...

While VO2 max estimates were once exclusively reserved for lab settings and high-end sports watches, Oura has developed a way to give users insight into their cardiorespiratory fitness. Dubbed ‘Cardio ...

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 ...