VO2 max – your body’s ability to transport and use oxygen during intense exercise – is more than just a measure of athletic performance. Long regarded as the gold standard for cardiovascular fitness, ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. New perk: Easily find new routes ...

Until recently, VO2 max testing has been inaccessible to most everyday athletes. Unless you had an in with an exercise physiology lab, you had to rely on back-of-the-envelope calculations or wearable ...

In this episode of The Amazing Runner’s World Show, Jeff is joined by Kristen Wagner, senior health and fitness editor, to talk about Jeannie Rice’s incredibly high VO2 max. The world record-holder ...