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After a workout VO2max goes up but status is unproductive

I've had a 935 for a year and it never happened but now with the 945 it happened twice already, last time was this week, after a workout my vo2max went from 60 to 62 but training status unproductive.
How is this even possible ?
Does it happen to you guys also ?

0 Quietschekette over 5 years ago

I think both is calculated independetly.

VO2 max tells you what your body was able to do in the last workout(s).

Trainingstatus tells you something about the impact of these workouts for further progress.

Also all the VO2max values are estimations. The best estimation is at a max intensity i guess. I always get my best VO2max results after sessions at race pace. But these kind of sessions are not the best to improve your VO2max.

Other things that could effect VO2max on your watch. HR was measured too low, updated a lower wheight ...

But i dont know why it didnt happen on your 935 and on your 945 twice.

0 Former Member over 5 years ago

Here is the answer to your quuestion https://www.firstbeat.com/en/blog/my-training-status-is-unproductive-what-can-i-do-to-change-it/

0 snowfree52 over 5 years ago in reply to Former Member

Well it clearly says in this link that training status is directly linked to vo2max :

"Unproductive Training Status means that your Training Load is in optimal range – so the amount of work you’re doing is okay – but your VO2max Fitness Level is declining."

0 bjrmd over 5 years ago

The Garmin Firstbeat VO2 max predictor is flawed in so many ways. The "Performance Condition" is also very misleading. Given the erroneous assumptions, their recommendations for how to train and training status should be taken with a huge degree of skepticism.

See here for details: Why is the Garmin Firstbeat VO2 max estimate inaccurate, can we do better?

0 HermanB over 5 years ago in reply to snowfree52

Definitionally speaking, the situation you're describing doesn't make sense to me.

Is there any more information you can provide?

0 snowfree52 over 5 years ago in reply to HermanB

yes you can see it here : twice in a couple of weeks, my vo2max went up and status was unproductive

0 FlipStone over 5 years ago in reply to snowfree52

Can't it be that your overtraining or something? Or the balance is bad...

If you do many high intensity workouts your VO2Max will prolly increase, but on the long term it is not sustainable (and thus in a sense, not productive). It's about the balance between aerobic and anaerobic, etc.

0 JacekZet over 5 years ago in reply to snowfree52

Isn't it in this way that the VO2Max increased for biking and lowered for running? Maybe your training status is related to running?

0 snowfree52 over 5 years ago in reply to JacekZet

the second time yes, the morning I did a light run that lowered my vo2max and at noon a ride that upped my vo2max
But on the first time, I just did a ride that upped my vo2max

I honestly don't pay much attention to it since I have a personnal coach but I like to know how everything works

0 MDPennock over 5 years ago in reply to snowfree52

It looks to me like it is using your running VO2Max figure (you have more runs than cycle rides in that picture, so this will be why).

If you look up the top of that page next to "Unproductive" it will either say "Cycling VO₂ Max Trend" (as mine does) or i suspect for you "Running VO₂ Max Trend". This will tell you which Vo2Max figure is being used.

On both occasions you have gone unproductive your running VO2Max figure dropped.