So this option does not show up on my watch at all. I swipe left from the work out screen and go to settings and I do not have an option to show % v02 max. EVEN THOUGH My watch tells me it's supposed to be there.
It calculates my v02 max after a 10 minute work out, but the %v02 max option does not exist (even though the watch says it's supposed to be there )
I have the same problem, i dont see vo2max logged for any workouts either cycling or walking for more than an hour.
I tried to find the option mentioned in the settings of the phone app and on watch but there doesnt seem to be one.