![AI Endurance on Twitter: "Know your intensity zones with AI Endurance on @ Suunto Guides. Perform a simple ramp test and we calculate your zones from your HRV, pace and running power data. AI Endurance on Twitter: "Know your intensity zones with AI Endurance on @ Suunto Guides. Perform a simple ramp test and we calculate your zones from your HRV, pace and running power data.](https://pbs.twimg.com/media/FPAyRKiXsAQYgVX.jpg)
AI Endurance on Twitter: "Know your intensity zones with AI Endurance on @ Suunto Guides. Perform a simple ramp test and we calculate your zones from your HRV, pace and running power data.
![Insight into the fitness level, how it works, accuracy? Not sure why mine keeps falling off so much. I'm still in good shape and I'm active everyday. Suunto 9 baro. : r/Suunto Insight into the fitness level, how it works, accuracy? Not sure why mine keeps falling off so much. I'm still in good shape and I'm active everyday. Suunto 9 baro. : r/Suunto](https://i.redd.it/yfwuwe19lty61.jpg)
Insight into the fitness level, how it works, accuracy? Not sure why mine keeps falling off so much. I'm still in good shape and I'm active everyday. Suunto 9 baro. : r/Suunto
Suunto - Did you know that your #Suunto watch can estimate your current fitness level and help you follow your progress? Your fitness level is defined as VO2max (maximal oxygen consumption), a
![After 7 weeks of trying, my vo2max finally reached the blue zone(started at 44)! First time in 37 years😂 : r/Garmin After 7 weeks of trying, my vo2max finally reached the blue zone(started at 44)! First time in 37 years😂 : r/Garmin](https://preview.redd.it/m0bmbewz3p651.jpg?width=640&crop=smart&auto=webp&s=c9369370f37302c2de3ac741ff62e2c2e7d759d3)