Your Apple Watch is tracking dozens of metrics around the clock – but we've picked the ones that you actually need to pay ...

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 ...

Every day as I peruse through the mountain of metrics presented to me on my Garmin watch, I pause to take a look at a particular number: my VO2 max score. And I’m sure I’m not the only runner that ...

When it comes to understanding your fitness and overall health, VO2 max is often heralded as the most important metric. 🏃🏻‍♀️For everything you need to know about this trendy and telling metric, ...