Wondering what’s a typical rate of decline for VO₂ max? The charts below contain research-based averages of VO₂ max by age ...

Many devices, like the Apple Watch and Fitbit Ionic, calculate an approximation based on your heart rate and exercise intensity over time ... this VO2 max chart notes where optimal scores should ...

“In the absolute simplest terms, you need low-intensity activity where you are a little bit out of breath for a long time ...