This easy test can help you get a gauge on your VO2 max—without a watch.

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

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 ...

Professional triathlete Kristian Blummenfelt registered a mind-bending score.

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

VO2 max is a trendy stat for measuring your fitness, and it can help improve longevity too. Having a higher VO2 max is good, but more important for health is how the number changes over time.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." FOR ABOUT A a year, an exercise physiologist I know kept offering to do a VO2 max test on me. For more ...

After running for over a decade, I wanted to see how healthy my heart is. I got an active metabolic assessment at Life Time, measuring my VO2 max and heart rate. I also learned which running speeds ...

Fitness enthusiasts don’t really need an oxygen testing program to be fit, but the test can help tailor workouts to a specific fitness level. Oxygen consumption testing, or VO2 max testing, has long ...

I’m not really one for numbers. I’ve never owned a FitBit to log my steps, I hate even thinking about opening MyFitnessPal to track my macros, and the only time I step on a scale is at the doctor’s ...