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 ...

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

Maximal oxygen uptake, or VO2 max, is perhaps the single best predictor of long-term health and longevity. It’s also the key trait that distinguishes elite endurance athletes. We know all this from ...

A.V. Hill was a 4:45 miler and already had a Nobel Prize for work in muscle physiology when he and Lupton began studying VO2 max. The experiments involved subjects running around Hill’s back garden in ...