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Data used to improve vo2 max

I’m curious to know what data is used by the watch to determine if your VO2 max has improved. Running more often? Running for longer? Improved pace? Not spending as long in the red heart rate zone? Weight loss? Other factors?

0 tmk2 over 5 years ago

Pace vs. heart rate. If you can run faster with the same heart rate, or can run at the same pace with lower heart rate, then this indicates that your cardiorespiratory fitness (of which VO2max is the most common indicator) improved.

0 BeeCee over 5 years ago in reply to tmk2

That seems to make sense. Have you got a source for that?

0 tmk2 over 5 years ago in reply to BeeCee

https://www.firstbeat.com/en/consumer-feature/vo2max-fitness-level/

0 BeeCee over 5 years ago in reply to tmk2

Perfect. Just what I was after.