This easy test can help you get a gauge on your VO2 max—without a watch. Every day as I peruse through the mountain of ...

Professional triathlete Kristian Blummenfelt registered a mind-bending score.

It’s hardly surprising for elite athletes to have higher VO2 max scores, but this takes it to an entirely new level.

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

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push yourself. Short for “maximal oxygen uptake,” it’s been the gold standard for ...

Steady-state cardio may be more helpful for beginners looking to manage their weight, while HIIT is a great way to boost ...

Jessie Diggins has become the best-ever American cross-country skier because of what she pushes her body through.

Real Madrid players have been pictured taking part in high-intensity drills while wearing unusual blue masks - so what's the reason for them?

VO2 max, the measure of how much oxygen the body consumes during exercise, has become a ubiquitous tool for professional athletes, but health experts increasingly say it's a measurement worthy of ...

Scientists are studying Juan López García, 82, a world-record-holding ultramarathoner, to learn how we can stay healthy as we ...