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

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

Add Yahoo as a preferred source to see more of our stories on Google. VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness.

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

Team UAE training chief leads chorus of top physiologists questioning the 'record' VO2 Max figure achieved by triathlon star ...

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 ...

Ever wish you could breathe easier and sustain more intensity mid-workout? You may have overheard the term "VO2 max" at the gym or on a trainer’s social media page recently—but what is this fitness ...

VO2 max, the measure of how much oxygen the body consumes during exercise, has become a ubiquitous tool for professional ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Until recently, VO2 max testing has been inaccessible to most everyday athletes. Unless you had an in ...

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 ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Whoop, the screenless ...