![I feel fit, but for my S9 I'm actually dying of old age (a.k.a. the mistery of VO2max algorithm) | Suunto Community Forum I feel fit, but for my S9 I'm actually dying of old age (a.k.a. the mistery of VO2max algorithm) | Suunto Community Forum](https://forum.suunto.com/assets/uploads/files/1592734073158-old-boy.png)
I feel fit, but for my S9 I'm actually dying of old age (a.k.a. the mistery of VO2max algorithm) | Suunto Community Forum
Suunto 9 just got better - Fitness level feature added | #Suunto9 just got better – Fitness level feature added! ⌚️🔺 What's you fitness level? 🤔A good aerobic fitness level is important
![Not sure how accurate watch-based VO2 Max really is, but before getting the Hydrow, it said my VO2 Max was 38.5, giving me a "fitness age" of 42. I'm 40. After using Not sure how accurate watch-based VO2 Max really is, but before getting the Hydrow, it said my VO2 Max was 38.5, giving me a "fitness age" of 42. I'm 40. After using](https://i.redd.it/3bcjwaiq3h391.jpg)
Not sure how accurate watch-based VO2 Max really is, but before getting the Hydrow, it said my VO2 Max was 38.5, giving me a "fitness age" of 42. I'm 40. After using
![Suunto Spartan Sport also joins the wrist pulse measurement. New Spartan Sport Wrist HR - Correr una Maratón - Review of Garmin, Polar, Suunto, COROS... Suunto Spartan Sport also joins the wrist pulse measurement. New Spartan Sport Wrist HR - Correr una Maratón - Review of Garmin, Polar, Suunto, COROS...](https://media.correrunamaraton.com/wp-content/uploads/2017/01/suunto-spartan-sport-wrist-hr-2.webp)