I had a sudden drop in my VO2Max, as calculated by my Apple Watch 3, of 10 points, overnight! Picked up this question thread from early 2020 when similar occurred to others, but this has now gone silent. Have all those who flagged the issue found a permanent fix? If so can you share this please? Thanks
I went back and checked. Found that I had been switched from a 1956 birthday to an '84. No idea how it happened. Some other info in my profile was also screwy. Adjusted it and went back to normal/previous reads. Dropped from 44-45 V02 to barely 30, now back up to 48-49.
I’m afraid this advise did not assist. My Vo2MAX is still reads around 36 when previously it was 42. 14th Feb it was 42 and 15th Feb it read 32! Since then it has slowly increased to 36 where it has stopped. I continue to walk for 40-50 mins/day and cycle 3x per week. Averaging 60 miles cycling per week for the last 6 weeks. Have lowered the intensity this week, but the Vo2MAX has dropped 0.2 rather than increased? My resting heart rate has dropped consistently since the beginning of Feb. Perplexed!
Agreed. The Vo2MAX is being recorded on the walks only, but the cycle rides should be improving my cardio more efficiently than walking alone and, therefore, my Vo2MAX should be improving. It still doesn’t explain the sudden overnight drop as described.
I'm not sure it's the phone per se. I got my new iPhone 12 mini months before the sudden overnight drop in VO2 max. It would be really nice if someone knowledgeable at Apple would chime in here and let us all know what happened and how to fix it (for real--not the same old same old that doesn't work).
Mine has dropped to 18 despite working out daily lol. It was been dropping steadily since one of the updates. Obviously Apple doesn’t know how to fix despite all the complaints. This is an ongoing issue!
I went from 37.8 to 33.8 over the last month and I just finished a workout where I was ripping it and was certain I was in better shape than when at 37.8..
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(and no, I have not picked up a 4 pack a day Marlboro habit in a month).
Haha :) Mine is slowly getting back to the level it was before this happened… will still say I’m below average for at least two more sessions… the update to iOS 14.6 and watchOS 7.5 went smooth! Let’s hope it stays like this for a while! Still having problems with getting a move goal suggestion on Mondays though, disabled the Sleep schedule after reading some reports saying that it will fix it.. anyone else experiencing that bug?
2019 through April 2021 I averaged above 40. The last three month was 43. Then in April and ever since I dropped to 27. I have no health risk factors. I have changed no exercise routines. This is very frustrating because what data is to be believed?
Had my Series 6 for one week. My readings have gone from 39 to 32 to 30 to 31 to amazingly today to 21.
Yes I’m 68 years old but 41-39 has been my reading on my last watch for 3 years. AM I DYING or is there a major problem?????
Hey Guys
I have experienced the same glitch on my Apple Watch
I peaked at 38.7 back in May for my fitness level, every since then my number has dropped to now 35.5.
i jog 5 miles 3X to 4x days a week.
Something weird is happening with these Apple watches.
I did not. Ironically it dropped again last week, not quite off the cliff, but still not right. I have a friend at Apple that I sent to and he's trying to get some answers as well. It's so bizarre. My fitness is much better right now than anywhere close to what it was 6 months ago and the charts showed that improvement until overnight it's as if Apple thinks a lung was ripped out of my body and no longer have V02 capability. Frustrating.
I checked my DOB in my health app and it was correct. I am still trying to figure out why my VO2 max went down so much, so quickly, and my wife's watch did the same thing.
I might think that the drop was because we both had COVID, but that was nov 2020 and the drop was this May....
VO2max is climbing again, it broke the 30 barrier, which should be past 40 based on previous readings(?)
OMG and here I was making doc appointment. No lie. I have health issues and this scared the **** out of me. I jog four miles a day and went from nearly 40% to 26% in one day. And it has never risen, ever. I thought it was my lungs, or heart. I’ve had labs done, everything. OMG. This thread has given me such peace of mind!
The instructions at "Set Up Cardio Fitness" do not work. When I followed them, I could not find a "setup" option. I have an iPhone 12 mini running 14.4.1. Can anyone find better instructions?
I experienced the same drop and had very similar numbers before and after. So will an update correct it?
Nothing I have tried, most recommended by Apple, seems to correct the error. Good luck.
Sudden drop in VO2Max recorded on Apple Watch
