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 ...

In this episode of The Amazing Runner’s World Show, Jeff is joined by Kristen Wagner, senior health and fitness editor, to talk about Jeannie Rice’s incredibly high VO2 max. The world record-holder ...

Running to the best of your ability can feel like a numbers game. To hit new PBs, you’re probably under the impression that you should keep tabs on all kinds of ...

High-intensity interval training is important, but coming back to your breath can be crucial to helping you train.

Experts explain why this measure of cardiovascular health isn’t just for ‘fitness people,’ and how improving your VO2 max ...

“VO2 max is the best measure of cardiorespiratory fitness,” says Andrew Getzin, MD, head team physician of USA Triathlon and sports medicine physician at Cayuga Health in Ithaca, New York. “To have a ...