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vo2max

  1. pedzsan

    Universal Recompute VO2 Max?

    I have a suspicion that the calculation of VO2 Max in the Health App is changed over time. I've been doing my normal routine but mine has dropped from 31 down to 28 in the past month. And, there was an unusual spike not too long ago. Plus I've seen a vague comment to this effect on this...
  2. J

    VO2 Max/Cardio Fitness

    I have had my Series 11 for 2 weeks now and I’m not getting a Cardio Fitness reading. I have done 7 runs totaling 20 miles at a 15 min per mile pace. These runs were done mainly in Zone 2 but my Tuesday run had 26 minutes in Zone 4 at a 14 min per mile pace. I have checked and all my health...
  3. WU27f1xcCs

    VO2max accuracy on the Apple Watch + new diet impact

    I’ve read that the Apple Watch VO2max is accurate to within about 15% of professional testing. I use an Apple Watch Ultra (original), and since getting it in 2022 I began running regularly, running around 20-35km a week, with good consistency. Since 1 October I have been using ChatGPT as a...
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