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Achievable Fitness Age

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.

  • @DC BUH - interesting. Thanks for the reply. I see you also mentioned 63 vo2max previously (v.impressive!). I wonder where vo2max 'maxes out' so to speak (&the difference for m/f, me being f), since 60-63 doesn't change what is achievable. Maybe others can shed light.

    Certainly it seems -9 is the new 20 Sweat smileJoy

  • -9 is certainly the new 'best' achievable score. I've been out of action due to illness so not training hence my reduced VO2 , but interestingly I dropped to 57 VO2 score without affecting my fitness age. The gender question is interesting..... I think as well as VO2 it also takes into account resting HR, but I'm not sure what else.

  • I would add, that achievable means you cannot go any "younger"? I thought would be a limit but mine jumped from 20 to 43... and seems that I would not be able to achieve 20 ever again ;(

    1. Oppnåelig kondisjonsalder? Jeg er 66 år og har plutselig gått fra en kondisjonsalder på 42 til 59. Oppnåelig kondisjonsalder er satt til 58. Hva betyr det? Betyr det at det ikke er mulig å få en lavere kondisjonsalder enn 58, uansett hvor mye jeg trener?
  • i teorien! Men ettersom andre har oppnådd alder -9 år, hvis VO2 maks går opp nok, kan du kanskje ta et år tilbake. For meg er det ingen endring i hva som kan oppnås fra 47-52 VO2 maks. -8 år er fortsatt ganske imponerende!

  • Likewise, when my watch auto updated my VO2 max dropped a point and my age went from 38 to 53 and all past data is gone! I am gutted!

  • All past data as in all your training history?

  • My training age history, ah well, will have to work harder

  • Da har jeg blitt 57,5 år. Yngre kan visst ikke en 66-åring bli. 

  • Has anyone else noticed that they appear (I can't be sure) to have mucked with fitness age once again in recent weeks? I cannot even view the Garmin Connect web page that you review from the 'fitness age'  item within 'Health Stats'.  connect.garmin.com/.../fitness-age now returns HTTP 404 (not found).   Its possible, I suppose, that my recent adjustment of Activity Class from 7 to 10 made the page disappear like the 5 percentage points of body fat that instantly disappeared with that adjustment, but I can't be sure. Also, it seems like at the same time BF% dropped, my fitness age dropped more than a year BELOW what had previously been identified as 'achievable'.  I can no longer find the place where it used to tell me what to work on to attain my 'achievable' fitness age, and since it used to want a reduction in body fat percentage, I'm merely jumping to a conclusion that the two are somehow related.