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    ZoneSense not working properly during runs

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    • Pablo Muñoz SánchezP Offline
      Pablo Muñoz Sánchez
      last edited by

      Hello!

      I have tried using ZoneSense in real-time on my Suunto Run after version 3.22.18, but I am afraid it doesn’t work properly.

      The needle stays either at the beginning or at the peak of the green zone most of the time, no matter my BPM. And I got until 170 BPM, and everything was green, which is impossible!

      This happened to me in all my runs (5).

      I am using the Polar H9 chest strap. I Any advice? Thanks!

      PXL_20251113_073002630.MACRO_FOCUS.MP.jpg

      PXL_20251113_073036065.MACRO_FOCUS.MP.jpg

      PXL_20251113_081134483.MACRO_FOCUS.MP.jpg

      PXL_20251115_081034917.MACRO_FOCUS.jpg

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      • TomiT Offline
        Tomi
        last edited by

        Looks familiar, though I’m using ZoneSense to check for stuff after my runs and not in real-time. Here’s an interval run I did recently:

        zs.jpg

        The graph doesn’t turn yellow (anaerobic) until at around 173-174 heart rate. Using a Polar H10 chest strap.

        Pablo Muñoz SánchezP 1 Reply Last reply Reply Quote 0
        • thanasisT Offline
          thanasis Bronze Member
          last edited by

          For me it seems that Your first 10 minutes need to be reeeeeeaaaaly slow for the zonesense to be able to do reasonable estimations

          Pablo Muñoz SánchezP 1 Reply Last reply Reply Quote 2
          • Pablo Muñoz SánchezP Offline
            Pablo Muñoz Sánchez @Tomi
            last edited by

            @Tomi Thanks for your graph! Then it seems it’s similar to mine. I am not sure our readings are working as intended… 🤔

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            • TomiT Offline
              Tomi
              last edited by

              Here’s an another run, a slow one with an average HR of 134. According to ZS I spent 34% of the time in the anaerobic zone here.

              zs2.png

              It seems to me like ZS is doing some sort of calibration during the first 10 minutes along the lines of: “Take the highest heart rate reading from the first 10 minutes and establish that + 10 as the aerobic threshold”.

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              • Pablo Muñoz SánchezP Offline
                Pablo Muñoz Sánchez @thanasis
                last edited by

                @thanasis I’d say my pace is quite slow, it’s kind of slow jogging. My bpm is usually around 120.

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                • thanasisT Offline
                  thanasis Bronze Member
                  last edited by

                  I know it is different but I feel that zonesense combined with something like running dynamics that Suunto had in the past would be better

                  https://www.suunto.com/Support/Product-support/suunto_ambit3_peak/suunto_ambit3_peak/features/running-performance-level/

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                  • C Offline
                    cheetah694 Bronze Member
                    last edited by

                    ZoneSense has lost its credibility for me after these stats. Anaerobic threshold okay, could be, but aerobic threshold is just unrealistic.

                    IMG_3422.png

                    Suunto 9 Peak Pro

                    herlasH 1 Reply Last reply Reply Quote 1
                    • herlasH Offline
                      herlas Silver Members @cheetah694
                      last edited by

                      @cheetah694 relax, ZS as any other algos will have a “bad” day, take it with a grain of salt 😉

                      SRS Ti
                      SRun (primarily road runner so testing SRun is a must ;))

                      C 1 Reply Last reply Reply Quote 0
                      • C Offline
                        cheetah694 Bronze Member @herlas
                        last edited by

                        @herlas Yup, the only numbers I still trust on my watch are time, distance & speed.

                        Suunto 9 Peak Pro

                        1 Reply Last reply Reply Quote 2

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