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    Suunto ZoneSense

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    • Brad_OlwinB Offline
      Brad_Olwin Moderator @flo7z
      last edited by

      @flo7z said in Suunto ZoneSense:

      @Brad_Olwin by running marathons i know my paces and HR zones by heart, and the terrain does not play a role in this case.
      if we are not supposed to compare HR and ZS zones, then why is the SA doing it as on my screenshot?

      Your HR zones are going to change daily as judged by ZS. That at is the point.

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

      flo7zF 1 Reply Last reply Reply Quote 2
      • Brad_OlwinB Offline
        Brad_Olwin Moderator @Mattg576
        last edited by Brad_Olwin

        @Mattg576 how long are the intervals? Likely too short. I would not use ZS for any less than 6 min and even then ZS will have a 1 to 2 min delay.

        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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        • M Offline
          Mattg576 @Brad_Olwin
          last edited by

          @Brad_Olwin
          They’re not intervals Brad, just some small hills on a tempo run.

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          • Brad_OlwinB Offline
            Brad_Olwin Moderator @Mattg576
            last edited by

            @Mattg576 How long? Looks too short as the downhills push ZS low and not enough sustained effort to go higher. On trails I cannot run downhill fast enough for ZS to show actual effort. That’s why I rely on RPE as well.

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

            2 M 2 Replies Last reply Reply Quote 1
            • 2 Offline
              2b2bff @Brad_Olwin
              last edited by

              @Brad_Olwin @Mattg576 to extend on that, in the ZoneSense videos it is said that you don’t want to look at the actual curve of ZoneSense but only on the color. So, a downvard curve within green means nothing, it is just green…

              Suunto Race S
              Garmin Epix Pro

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              • M Offline
                Mattg576 @Brad_Olwin
                last edited by

                @Brad_Olwin I don’t know what you mean by how long or looks too short, the whole run or the small hills ?

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                • M Offline
                  Mattg576 @2b2bff
                  last edited by

                  @2b2bff I understand the principles of Zonesense but by that logic my work effort got easier while I ran those hills (which it didn’t, it got harder).

                  I also understand there isn’t a direct correlation between ZS & HR BUT surely as the work effort increases it would push you up further into the anaerobic state - not nose dive back into low aerobic…

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                  2 Brad_OlwinB 2 Replies Last reply Reply Quote 1
                  • 2 Offline
                    2b2bff @Mattg576
                    last edited by

                    @Mattg576 as @Brad_Olwin said, ZoneSense always needs a couple of minutes to catch up. I remember from the videos that there are physiologic factors (30 seconds) and factors of calculation (2 minutes). So, if your intervals are shorter than those two minutes you won’t see any meaninful effects.

                    Here I had a run with 3 minute intervals and you can see how ZoneSense had a hard time to catch up, but it reached yellow at the end of the interval…

                    5e0c8f79-fb69-4e67-9af3-dc026eeee49e-image.png

                    Suunto Race S
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                    Brad_OlwinB 1 Reply Last reply Reply Quote 1
                    • Brad_OlwinB Offline
                      Brad_Olwin Moderator @Mattg576
                      last edited by

                      @Mattg576 The small hills, how long was the uphill, it looks to be short only 3 minutes or so?

                      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 Offline
                        Brad_Olwin Moderator @2b2bff
                        last edited by

                        @2b2bff A perfect example! I don’t use live ZS for less than 6 min. I just use RPE. I will look back at my zones out of curiosity.

                        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 Offline
                          Brad_Olwin Moderator @Mattg576
                          last edited by

                          @Mattg576 said in Suunto ZoneSense:

                          @2b2bff I understand the principles of Zonesense but by that logic my work effort got easier while I ran those hills (which it didn’t, it got harder).

                          I also understand there isn’t a direct correlation between ZS & HR BUT surely as the work effort increases it would push you up further into the anaerobic state - not nose dive back into low aerobic…

                          The uphills are too short, it is simply green because the hard efforts were not long enough. Have you watched the videos or read the material on ZS. Those explain what you see.

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

                          M 1 Reply Last reply Reply Quote 2
                          • Brad_OlwinB Offline
                            Brad_Olwin Moderator @Ghost
                            last edited by

                            @iterum-tenta A great summary! I think to all forum users here…do not equate HR and ZS values or try to force them to fit together. Suunto has extensive information that explains 99% of the issues raised here. It is a substantial time commitment to view all of the videos.

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

                            ChrisAC 1 Reply Last reply Reply Quote 5
                            • M Offline
                              Mattg576 @Brad_Olwin
                              last edited by

                              @Brad_Olwin said in Suunto ZoneSense:

                              The uphills are too short, it is simply green because the hard efforts were not long enough

                              What mystifies me though is that I was already in an anaerobic state & my workload increased (confirmed by RPE - I was hanging out my ar#e) yet ZS suggests the complete opposite for nearly 10 minutes, I’ve experienced the same many times before…

                              I have read & watched some of the material but granted not all of it, the answer must in the bits I haven’t watched yet.

                              Thanks for your reply Brad.

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                              • ChrisAC Offline
                                ChrisA Platinum Member @Brad_Olwin
                                last edited by

                                @Brad_Olwin said in Suunto ZoneSense:

                                …do not equate HR and ZS values or try to force them to fit together.

                                That’s it in one sentence! I think that’s the main problem, the main mistake, made when using ZS at first, since it seems so obvious and somehow it seems like a paradigm change at first. I would also recommend watching the very good videos.

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                                • flo7zF Offline
                                  flo7z Silver Members @Brad_Olwin
                                  last edited by

                                  @Brad_Olwin
                                  Hi,
                                  On one hand I understand this and this is why I am trying to see how I can “translate” the aerobic work (indicated by HR zone 2) into the ZS area.
                                  On the other hand, when I see at my data, except for big fatigue and heat, my HR is quite constant. Same if you listen to pro marathon runners, their heart rate is the same at +/- 1 or 2.
                                  I feel ZS is a great tool, we just need a bit more experience and maybe some more guidance based upon experience.
                                  Even though I watched all great Suunto videos on the subject, I still miss something to use ZS in my training, without watching the HR.

                                  Florian Z.
                                  Suunto 9 Peak Pro
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                                  2 Brad_OlwinB 2 Replies Last reply Reply Quote 0
                                  • 2 Offline
                                    2b2bff @flo7z
                                    last edited by

                                    @flo7z simply put - as I understand it - HR zones are not static but will shift up and down depending on your current condition. ZoneSense takes that into account.
                                    So if you wanna train “classical Zone 2”, you use the green ZoneSense zone. If you wanna go harder use the yellow or red accordingly.

                                    Suunto Race S
                                    Garmin Epix Pro

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                                    • Brad_OlwinB Offline
                                      Brad_Olwin Moderator @flo7z
                                      last edited by

                                      @flo7z This is the point! Just because your HR is constant does not mean your fatigue is constant. The reason to use ZS is to measure effort in real time. Too many think that HR zones are set in stone. Before ZS I knew my HR would change depending on workouts done prior and how I felt. But I had no idea how much my HR zones could change. ZS matches my RPE very well. Since watching all videos and reading the peer-reviewed scientific manuscripts on ZS (I am a Professor of Molecular and Cellular Biology) I trust ZS for my training and trust RPE more than before. On off days I would think it was my mental state but now I know it was likely fatigue.

                                      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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                                      • dankcushionsD Offline
                                        dankcushions
                                        last edited by

                                        used zonesense for the first time today and enjoyed it! i think aside from anything else it’s nice having activity categorized simply as aerobic, anaerobic, and vo2 max, as that’s the core of endurance training and i feel like heart rate zones/RPE get a bit abstract and have unnecessary graduations.

                                        a few questions:

                                        from the faq

                                        There is an analysis feature with ZoneSense where Suunto App defines the aerobic and an-aerobic threshold as heartrate with the DDFA. This analysis maps the heartrate to the ZoneSense DDFA index shifts cross aerobic and an-aerobic thresholds. To get a result from this analysis, the athlete needs to do a workout where intensity is tough and challenging. The intensity needs to grow from aerobic area to an-aerobic level, to get the aerobic threshold as a heartrate result. Similarly, to get the an-aerobic threshold, the athlete needs to do a workout that will have intensity in vo2max range.

                                        do i need to do anything to register these intensity workouts? or is it just a matter of continuing my running with my heart rate belt + zone sense, and once i hit some appropriate sessions in my training, zonesense will update my internal ‘profile’ and get ‘better’ at assigning zones during activity?

                                        ZoneSense maps changes as aerobic and an-aerobic thresholds to corresponding heart rate values. Sudden changes in intensity can introduce errors, so it is best to consider several workouts before setting heart rate zones in your Suunto watch.

                                        I realise ZoneSense is not the same as heartrate zones, but it does seem like it would be a good way to inform your heartrate zones (eg, for use in non-zonesense appropriate sessions like short intervals, etc). So is there a way to get that collected data from all my zonesense activities? eg:

                                        • Aerobic BPM range 90-160
                                        • Anaerobic BPM range 150-170
                                        • VO2 max BPM range (160-190)
                                          (I would expect these zones to overlap given the nature of zonesense over multiple actvivities)

                                        From those ranges, I could personalize my heartrate zones.

                                        flo7zF 1 Reply Last reply Reply Quote 3
                                        • flo7zF Offline
                                          flo7z Silver Members @dankcushions
                                          last edited by flo7z

                                          @dankcushions hi, about your last point ; I asked the same kind of question 5 days ago in this same thread.
                                          Since HR evolves depending on your fatigue, the conditions and many other factors, you cannot draw a clear line between HR and ZS.

                                          Florian Z.
                                          Suunto 9 Peak Pro
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                                          Suunto D4
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                                          • dankcushionsD Offline
                                            dankcushions @flo7z
                                            last edited by dankcushions

                                            @flo7z said in Suunto ZoneSense:

                                            @dankcushions hi, about your last point ; I asked the same kind of question 5 days ago in this same thread.
                                            Since HR evolves depending on your fatigue, the conditions and many other factors, you cannot draw a clear line between HR and ZS.

                                            yea i read that conversation 🙂 i realise HR is not ZS but that’s not what i’m saying. with ZS you can say when your body is doing (say) aerobic exercise, and that means that we can do some useful stuff with other datapoints we gather within those zones.

                                            like if i could the see the upper and lower bounds of HR that was taking place when i was doing activity that ZS has assessed as aerobic, then that is far more useful info than ‘zone 2 is 65-75% of max heart rate’ or whatever the existing HR range algorithms do.

                                            it might be the range is too wide to be useful, but with some basic statistical analysis it could be made useful for sure. you could taper the end of the heart rate measurements (to avoid ZS ‘lag’), remove outlier results (to avoid fatigue days, etc). perhaps favour more recent results to account for the ZS alg ‘learning’.

                                            that to me could be a much better/alternative. way of establishing heart rate ranges than existing methods. could do similar stuff with pace etc.

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