Run4IQ: SUUNTO talks, by Andrew Nugged | So, after some time finally someone noticed that suunto has some issue with algorithm(s) when predicting VO2 Max
![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://preview.redd.it/3bcjwaiq3h391.jpg?auto=webp&s=9794203dab70fa446153fe09358ce10747d8b04f)
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
![VO2 Max Accuracy in Smartwatches TESTED! (Apple Watch, Garmin, Polar, COROS, Suunto, and More!) - YouTube VO2 Max Accuracy in Smartwatches TESTED! (Apple Watch, Garmin, Polar, COROS, Suunto, and More!) - YouTube](https://i.ytimg.com/vi/MzMZ6ynDxE4/maxresdefault.jpg)