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    Suunto ZoneSense

    Scheduled Pinned Locked Moved SuuntoPlus™ Sports Apps
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    • thanasisT Do not disturb
      thanasis Bronze Member @halajos
      last edited by

      @halajos said in Suunto ZoneSense:

      @thanasis your Z4 minimum is set manually in the HR zones settings, while the aerobic threshold is measured by ZoneSense. Probably you need to adjust your zones.

      thank you . however i am not sure what should i do considering that the minimum Z3 according to Zonsense is supposed to be higher than the minimum Z4 .

      J Brad_OlwinB 2 Replies Last reply Reply Quote 0
      • J Offline
        jussim Bronze Member @thanasis
        last edited by jussim

        @thanasis You obviously need to increase zone 4 and zone 5 limits. How confident are you about what you have set as max Hr?

        9PP since 09-2025.

        1 Reply Last reply Reply Quote 1
        • T Offline
          The_77 Silver Members @thanasis
          last edited by The_77

          @thanasis I had much the same last Sunday, and my zone 2/3 boundary is similar to yours.

          Usually my aerobic threshold ranges from as low as 120bpm to upper 130s - at no point has it ever gone up to 156bpm, and I wonder if it struggled with the specific workout type I did, which was a gentle warmup, some strides, and then 12x 3:30 with 1:30 breaks.

          You can see that it enters the VO2 threshold at around 163bpm repeatedly, and obviously it enters Anaerobic when I’ve already been at a high HR for the previous couple of minutes, hence pegging the aerobic limit as being so high I guess. Food for thought anyway, most likely ZS can’t cope with intervals being so short as per the documentation.

          Screenshot_20250125-124934.png

          Suunto Spartan Trainer Wrist HR / 9PP Refurb

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          • Brad_OlwinB Offline
            Brad_Olwin Moderator @thanasis
            last edited by

            @thanasis said in Suunto ZoneSense:

            @halajos said in Suunto ZoneSense:

            @thanasis your Z4 minimum is set manually in the HR zones settings, while the aerobic threshold is measured by ZoneSense. Probably you need to adjust your zones.

            thank you . however i am not sure what should i do considering that the minimum Z3 according to Zonsense is supposed to be higher than the minimum Z4 .

            I have similar ZS results and our HR zones are very similar too. I am leaving my zones where I feel comfortable with and essentially not worrying about them! They are arbitrary anyway! Even a lab measured LT test is going to vary depending on your fitness, recovery, fatigue and stress the day you are tested. I believe that ZS is giving me an accurate representation of my effort based on 16 years of running ultras. I will likely never adjust my zones again and essentially ignore them.

            My interval efforts are based on RPE anyway and now long runs and recovery runs will use ZS. So it doesn’t matter if my LT is 120 bpm one day and 148 on another day. This is the reason to use ZS!

            Vector/T6c/Ambit 3 Peak/S5 Copper/S3/S7 Ti/S9 baro Ti/S9P Ti/S9PP Ti/Vertical Ti/Race Ti/RaceS/Ocean/Wing

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            • Brad_OlwinB Brad_Olwin referenced this topic on
            • S Offline
              SalvaGali
              last edited by

              Hi! I bought a race s a week ago, and started working with the zonesense feature. I understand how it works, and that the threasholds are not static. I have a few questionnfor you guys:

              • During my easy runs this week, i got a measured aeT of around 130 bpm, which it seems in line with where i thought it might be. On suneay i run my local 10k and despite i can check the zonesense graph, it does not provide any measured aeT. Any explanation for this? I did a 10-12 min warming up before the race in order to get the zonesense calculate threasholds.
                alt text

              • When looking at the graph from the 10k, i can see that the change from green to yellow seems to be somewhere near the 160 bpm, far away from the usual 130. It seems to me that this value has been afected for not being an easy run (despite the previous 12 min warmup? Is it posible?
                alt text

              • In order to have a measurement of the anT, do i need to get to that intensity?
                Thank you!

              herlasH 1 Reply Last reply Reply Quote 0
              • herlasH Online
                herlas Silver Members @SalvaGali
                last edited by

                @SalvaGali https://forum.suunto.com/post/161391

                SRS Ti
                A3P (drill mode for pool swimming 🤦🤷)
                Galaxy Z Flip 3 / Galaxy S24+

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                • SportsfreundS Offline
                  Sportsfreund Bronze Member @thanasis
                  last edited by Sportsfreund

                  In my case ZS is absolutely not in time. Always after mainrace in cooldown mode the Display shows value changes between the 3 zones.

                  1 Reply Last reply Reply Quote 3
                  • L Offline
                    Leonid Yasyukevich
                    last edited by

                    I trust the laboratory test more, which for an amateur is desirable to do once every two years. Lactate is a key parameter in the measurement, our top runners measure it right in training.
                    In any case, Suunto has a lot of beta testers and time to test this feature👨‍🔬

                    9 Peak Titanium (43 g.)
                    Ambit 3 Sport

                    thanasisT 1 Reply Last reply Reply Quote 1
                    • T Offline
                      tschogo
                      last edited by

                      Hi there! Can you confirm for zonesense to properly work, you first need to put in some (how many?) workouts or minutes (which of both?) at each of the 5 zones? And basically ignore zonesense during this calbration workout(s)? I’m asking as today I was running a 10k (probably my 3 workout with a HR belt and zonesense enabled) and wanted to do it in zone 2, but (almost) regardless of what HR I ran at, the DDFA-index stayed green: alt text, alt text. On the other hand, it seems that zonesense was able to calculated my aet correctly, still. This is a bit confusing to me. Any help is much appreciated, thanks!

                      1 Reply Last reply Reply Quote 0
                      • thanasisT Do not disturb
                        thanasis Bronze Member @Leonid Yasyukevich
                        last edited by thanasis

                        @Brad_Olwin can you help me with why this happens ?

                        14e8b40b-6876-43a0-87c4-ea5dc0d9a958-image.jpeg 79713120-2a44-4be0-9d64-8afb52a96487-image.jpeg 12a5ebf9-0875-4828-8398-17b6dfeede65-image.jpeg

                        While the app seems to be running it also shows waiting for data

                        Also the there is a big difference in the data in the watch ( eg I had some 5-6min the red zone ) while in the app the duration is 0

                        SportsfreundS GiPFELKiNDG Brad_OlwinB A 4 Replies Last reply Reply Quote 1
                        • SportsfreundS Offline
                          Sportsfreund Bronze Member @thanasis
                          last edited by

                          @thanasis Yes, this ZoneSense is not really usable yet. Live data does not work. Only after the activity in the app.

                          thanasisT Stephen KennyS 2 Replies Last reply Reply Quote 0
                          • thanasisT Do not disturb
                            thanasis Bronze Member @Sportsfreund
                            last edited by

                            @Sportsfreund I think what is being mentioned here is that some people like @Brad_Olwin are using the real time zonesense instead of HR zones . If the watch and the app are so much different there needs to be an explanation

                            SportsfreundS 1 Reply Last reply Reply Quote 1
                            • SportsfreundS Offline
                              Sportsfreund Bronze Member @thanasis
                              last edited by

                              @thanasis Who knows. In my case live data does not work. For example, last week I did Cooper test, all the time while running the vertical showed green aerobe, after running in the last minutes off cool down the graph changed into the other zones.

                              VoiGASV ChrisAC 2 Replies Last reply Reply Quote 0
                              • VoiGASV Offline
                                VoiGAS Silver Members @Sportsfreund
                                last edited by

                                @Sportsfreund Yes, I have the same behaviour. After washing the belt the quality of the data looks much better, but still the live data just stays green. I ordered a new belt - maybe this helps.
                                I would also love to hear some long term real life experience with using Zonesense during the run


                                Race S
                                Ambit3 Vertical

                                SportsfreundS Brad_OlwinB 2 Replies Last reply Reply Quote 0
                                • ChrisAC Offline
                                  ChrisA Platinum Member @Sportsfreund
                                  last edited by

                                  @Sportsfreund If I run steadily and slowly in a aerobic zone and then change to walking, stop suddenly or even just fiddle with my phone, I can feel my HR rising and my heart beating more intense for some time after. Perhaps Zonesense „senses“ this changes in HRV and how your body tries to find homeostasis and therefore the change?

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                                  • GiPFELKiNDG Offline
                                    GiPFELKiND Silver Members @thanasis
                                    last edited by

                                    @thanasis do you have “running” a Second suunto+ App while running? Tey to deactivate the Second one and the Zonesense data should be visible correct

                                    If it doesn't challenge you, it doesn't change you. #lifewithasthma #runwithasthma #nevergiveup #pushinglimits #adventurestartshere Suunto D9, 9 Baro, 9 Peak, Vertical Ti, Race , Race s Courtney, SA (Beta) Android🏃🏼🧗⛷️🚵

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                                    • SportsfreundS Offline
                                      Sportsfreund Bronze Member @VoiGAS
                                      last edited by

                                      @VoiGAS my belt is very new. Bought it last week.

                                      Brad_OlwinB 1 Reply Last reply Reply Quote 0
                                      • Brad_OlwinB Offline
                                        Brad_Olwin Moderator @thanasis
                                        last edited by Brad_Olwin

                                        @thanasis said in Suunto ZoneSense:

                                        @Brad_Olwin can you help me with why this happens ?
                                        )

                                        While the app seems to be running it also shows waiting for data

                                        Also the there is a big difference in the data in the watch ( eg I had some 5-6min the red zone ) while in the app the duration is 0

                                        The watch is not receiving data.
                                        The belt must record electric changes NOT OHR.
                                        The belt must provide good R-R data
                                        Delete and reinstall the Suunto Plus ZS app from phone and watch
                                        At the beginning of your exercise 10 min of aerobic warm up is required before live ZS is displayed.

                                        Vector/T6c/Ambit 3 Peak/S5 Copper/S3/S7 Ti/S9 baro Ti/S9P Ti/S9PP Ti/Vertical Ti/Race Ti/RaceS/Ocean/Wing

                                        thanasisT 1 Reply Last reply Reply Quote 1
                                        • Brad_OlwinB Offline
                                          Brad_Olwin Moderator @Sportsfreund
                                          last edited by

                                          @Sportsfreund what belt?

                                          Vector/T6c/Ambit 3 Peak/S5 Copper/S3/S7 Ti/S9 baro Ti/S9P Ti/S9PP Ti/Vertical Ti/Race Ti/RaceS/Ocean/Wing

                                          SportsfreundS 1 Reply Last reply Reply Quote 0
                                          • Brad_OlwinB Offline
                                            Brad_Olwin Moderator @VoiGAS
                                            last edited by

                                            @VoiGAS said in Suunto ZoneSense:

                                            @Sportsfreund Yes, I have the same behaviour. After washing the belt the quality of the data looks much better, but still the live data just stays green. I ordered a new belt - maybe this helps.
                                            I would also love to hear some long term real life experience with using Zonesense during the run

                                            I have been using and testing ZS since last May/June. Is that long term enough?

                                            Vector/T6c/Ambit 3 Peak/S5 Copper/S3/S7 Ti/S9 baro Ti/S9P Ti/S9PP Ti/Vertical Ti/Race Ti/RaceS/Ocean/Wing

                                            VoiGASV 1 Reply Last reply Reply Quote 1
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