I can run longer and faster without struggling or feeling out of breath, yet my watch says my VO2 is dropping. How accurate is it? (alien.top)

submitted 2 years ago by [email protected] to c/[email protected]

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I have been running for a few months (34m), and I can feel I have become more fit when it comes to how I feel and achieve while running. Now my session is more than double the time than when I started, and even when I end it, I would still be in zone 2 as my heart rate and breath rate are lower, unlike when I began running and I would always find myself at zone 4 by half the time (similar pace). Even when I try to run faster, I can do so for longer than before.

Yet, my VO2 max has dropped from 39.8 to 37.8! I would get very surprised every time I see it drop. Why would that be?

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[-] [email protected] 1 points 2 years ago

It depends on how hard you’re pushing. The higher your heart rate goes above a certain average across the total distance VO2Max may decrease because you’re pushing harder than you’re running farther.

[-] [email protected] 1 points 2 years ago

Yes, the transmission or the clutch is slipping.

this post was submitted on 21 Nov 2023

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