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

In contrast, despite being widely regarded as the greatest marathoner of all time, Eliud Kipchoge is estimated to sit closer ...

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

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

The accessibility and affordability of wearables and devices such as power meters means amateur athletes have a wealth of cutting-edge performance data at their fingertips. Therefore, it has never ...

When it comes to understanding your fitness and overall health, VO2 max is often heralded as the most important metric. So if you notice a decline in your VO2 max, it’s only natural to be ...

"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 ...

Studies consistently show that high-intensity interval training is one of the fastest ways to raise VO₂ max. Short bursts of ...