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

Triathlete Kristian Blummenfelt’s score puts elite endurance into context ...

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

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

When runners talk physiology, two terms tend to dominate the conversation: VO2 max and lactate threshold. Although the two metrics are related, they are not the same – and they shape performance in ...

VO2 max measures how much oxygen your body uses during hard exercise. A higher VO2 max improves endurance and longevity. Any ...

VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness. When you think about how fit you are, you might think about how far you can ...

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 ...

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 ...