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Achievable Fitness Age

KOKKETIEL
over 3 years ago

Garmin seems to have completely changed the way fitness age is calculated and displayed in both GC Web and the GC Android app (at least for me).  Last time it looked, my fitness age was 20 and calculated from my VO2Max.  Now it is way, way higher, and uses resting heart rate, weight and activity.  It says I've reached my "achievable fitness age".  The historical data only shows the last four days, so I am assuming this changed in this week.

I can't find any information for this new way of calculating data.  Can anyone shed more info or provide links to a white paper or blog entry?  Garmin is normally pretty good at providing  explanations on their information.  E.g. how is the achievable fitness age calculated?

I am also assuming it is related to the new Venu 2 release this week.  The only Google hit I got on achievable fitness age was in a Venu 2 review (with no explanation).  Nothing has changed on my side.  I've been using the same devices for the last 18 months or so.

  • 0 over 3 years ago in reply to Scillonian

    You can use the garmin scale which updates your body fat %. However, I use the withings scale and use a script to pull the stats from withings and upload them to garmin connect.

    Re blood pressure, I don't know what updates blood pressure on garmin connect, I was just responding to the suggestion that you need both features enabled or neither of them to show the fitness age screen.

  • 0 over 3 years ago in reply to 9256409

    I was not aware you could use a script to pull additional weight information from another source and input it to Garmin Connect. (I'm no coder so not a practical option for me any way even if I had something other than a basic scale.) This may be the key to the Fitness Age menu appearing and not the watch you have.

    Question: Are the readers of this thread who have the Fitness Age menu item using a Garmin scale or some other method to get additional weight information (body fat percentage, etc) into Garmin Connect?

  • 0 over 3 years ago in reply to 9256409

    Go to the Insights tab. It shows charts that compare your speeds to others on Garmin Connect. You can filter by age and gender, but not by activity time or distance. 

  • 0 over 3 years ago in reply to e7andy

    My fitness age has suddenly changed from 20 to 47 and I am 56 years old so follows the 9 year pattern reported. My VO2Max is 63, so I don't think that's a factor any longer. I use a 945 and only noticed the change in the last couple of days.

  • 0 over 3 years ago in reply to DC BUH

    I'm 56 and my fitness age is 47 with a VO2Max of 55 fwiw.

  • 0 over 3 years ago

    Although I've reached "maximum achievable fitness age", if my BMI is available, GC recommends I reduce BMI to 22.3 (from 22.8) to gain half a year. Then links me to a page on obesity and overweight. If only my BF% is available, then it says I'm ok. Pretty weird if you ask me.

  • 0 over 3 years ago

    I'm 38 and it reports my fitness age as 21.

    Although I'm starting to see problems with the VO2 max formula.  When I bought an Oura ring a couple months ago for the more granular HRV readings, I stopped wearing my Garmin to bed just because I didn't need it to measure my RHR anymore.  The moment I did this, my VO2max dropped by 3 points from around 48 to around 45.

    It'd be nice if there was a way to input your own RHR or at least get it to ignore RHR from the calculation if it's not reading when you're asleep.

  • 0 over 3 years ago in reply to JirinPanthosa

    You can change the method for calculating your heart rate zones to a method that doesn't use RHR. I use lacate threshold.

  • 0 over 3 years ago in reply to KOKKETIEL

    I'm 44, & previously had a fitness age of 20 based on VO2max (but I think anything above 47-48 gave that age? Can't remember what it was when I 'became 20', but remember going up to 54vo2max had no effect on 'being 20').

    With the new calculation it says I've reached my achievable fitness age at 37.5 (-6.5 from my actual age, like @ d_estes). My VO2max is also 50 at the moment (like d_estes). Makes me think what's "achievable" is still tied to VO2m - what VO2m do those of you whose achievable fitness age is actual age -9 have?

  • 0 over 3 years ago in reply to RennHann

    I'm 56 with fitness age of 47, my VO2MAX is 60 currently