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Training hard, getting faster but VO2 max falling

Hi. I’ve been training hard every day. My average hearth rate has fallen and my average pace has increased. I have achieved a number of PRs but my VO2 max has dropped 2 points in a week when I’ve trained hard and got a number of PRs. Why?

0 trux over 4 years ago

4647213 said:
Why?

Have a look a the document from Fristbeat, the provider of the VO₂max algorithms, perhaps it may give you some clues:

Why Isn’t My VO2max Increasing? Tips for Improving Faster

If not, make some tests in a lab, to see how accurate the VO₂max estimate is, and in which direction it really evolutes.