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suunto race s heart rate issue

Scheduled Pinned Locked Moved Suunto Race S
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  • F Offline
    far-blue Bronze Member
    last edited by far-blue 17 Mar 2025, 23:12

    The HR recording on my RaceS stopped yesterday. I didn’t get any sleep score this morning but kind of thought it was just an oddity and didn’t notice the lack of green light but I noticed after my yoga session that there was no HR data and then noticed I was also missing HR data all day.

    Checking back in the app, it looks like HR stopped being recorded after I partially charged the watch from 14% to 74% yesterday about 10am. My run yesterday was was fine because I use a belt but the rest of the data is missing.

    I rebooted the watch and HR is back but I noticed the watch face, while the correct style, had reset its complications and highlight colour. I just thought it worth mentioning that in case it was an indication of a corrupt config file or something.

    I am on the latest firmware and I’ve not had this issue before.

    T 1 Reply Last reply 20 Mar 2025, 08:54 Reply Quote 0
    • T Offline
      tomclownfisch @far-blue
      last edited by 20 Mar 2025, 08:54

      I have to reboot from time to time. first the HR starts getting more and more inaccurately. Then it hangs on a fixed value for a time or jumps between to values - 129 an 68 for example in a yoga session last week. after rebooting the watch, it works fine again for a time (3 days to 3 weeks)

      https://www.allesnursport.de/

      1 Reply Last reply Reply Quote 2
      • W Offline
        watwatch
        last edited by 20 Mar 2025, 13:58

        I am considering getting a Race S , is there are any positive reviews of users about ohr at rest and general movement . Don’t mind Hr strap for actual exercise .

        2 O 2 Replies Last reply 20 Mar 2025, 17:49 Reply Quote 0
        • 2 Offline
          2b2bff @watwatch
          last edited by 20 Mar 2025, 17:49

          @watwatch I think it is usable for everyday tracking…

          If you wanna have a review for this, watch dc rainmaker… He was very positive about this.

          Suunto Race S
          Garmin Epix Pro

          1 Reply Last reply Reply Quote -1
          • O Offline
            olson917 @watwatch
            last edited by 21 Mar 2025, 12:55

            @watwatch This is my exact use case. I only rely on the OHR for everyday life/sleep/activity. For any sort of timed activity I always use a HR strap. Used this way the Race S works pretty well for me.

            Suunto Race S Titanium
            Garmin Epix Pro Gen 2
            Amazfit Active 2

            W 1 Reply Last reply 21 Mar 2025, 13:54 Reply Quote 3
            • W Offline
              watwatch @olson917
              last edited by 21 Mar 2025, 13:54

              @olson917
              Thanks that’s what I hoping for Ordered Race S and will see how I get on .

              1 Reply Last reply Reply Quote 1
              • B Online
                brechtvb
                last edited by 22 Mar 2025, 18:13

                I’m having issues with the heart rate sensor. It drops out randomly for no obvious reason.

                The first picture is on a gravelbike, but on flat asphalt road. Second picture is real gravel road and actually in the flat part, i was doing concrete roads.

                picture 1.jpeg

                picture 2.png

                F 1 Reply Last reply 23 Mar 2025, 21:47 Reply Quote 0
                • F Offline
                  far-blue Bronze Member @brechtvb
                  last edited by 23 Mar 2025, 21:47

                  @brechtvb I’d really recommend an external HR device for any sport such as running or cycling, especially gravel bike or mountain bike. The well respected Reviewer DC Rainmaker basically finds watch OHR never performs well when there’s a lot of movement/vibration. Coospo do some pretty cheap but decent belts and armband OHR sensors (although with optical you won’t be able to use ZoneSense) or there’s the well known manufacturers such as Suunto’s own belt, Wahoo, Polar and Garmin.

                  Wrist based OHR is fine for everyday and good enough for aerobics, spin classes or rowing machine but for anything more it’s worth the external sensor 🙂

                  B 1 Reply Last reply 24 Mar 2025, 12:38 Reply Quote 1
                  • B Online
                    brechtvb @far-blue
                    last edited by 24 Mar 2025, 12:38

                    @far-blue Below the picture of a bike ride (asphalt, nearly no gravel) with a garmin forerunner 55 (the el-cheapo).

                    The drops in heart rate are perfectly explainable to the speed drops. All dots together: a today 150 euro garmin outclasses a 350 euro Suunto in measuring heart rate.

                    i have plenty more with (nearly) zero heart rate error.

                    asphalt 73km.png

                    Regards,

                    Brecht

                    F 1 Reply Last reply 24 Mar 2025, 23:19 Reply Quote 0
                    • F Offline
                      far-blue Bronze Member @brechtvb
                      last edited by 24 Mar 2025, 23:19

                      @brechtvb I’m glad you feel you can rely on it for your activities 🙂

                      However, the internet is littered with posts, comments and reviews from thousands of people who can’t, regardless of whether it’s a $100 amazfit or a $1000 Fenix. The wrist is pretty much the worst possible place to try and take an optical HR reading.

                      T B 2 Replies Last reply 25 Mar 2025, 02:55 Reply Quote 0
                      • T Offline
                        TuanNT @far-blue
                        last edited by 25 Mar 2025, 02:55

                        @far-blued I’m really unhappy with the optical heart race on My Suunto Race S, the data is inconsistency even though I follow all the wearing tip from the manufacturer. I have not get the similar issue with other optical watch brand.
                        It is very annoying when going out for a run then suddenly there is no heart rate signal on watch or it jump extremely high.

                        1 Reply Last reply Reply Quote 0
                        • B Online
                          brechtvb @far-blue
                          last edited by 25 Mar 2025, 06:15

                          @far-blue I sold the forerunner because I sint want to deal with so many devices, obviously.

                          1 Reply Last reply Reply Quote 0
                          • B Online
                            brechtvb
                            last edited by 25 Mar 2025, 14:25

                            There is a new update: 2.40.38
                            who knows this solves a thing.

                            C 1 Reply Last reply 25 Mar 2025, 19:10 Reply Quote 0
                            • C Offline
                              cdfreet @brechtvb
                              last edited by 25 Mar 2025, 19:10

                              @brechtvb For me the update solved nothing, perhaps made the OHR situation worse, i.e. fewer reasonable readings (not exercising).

                              B 1 Reply Last reply 3 Apr 2025, 21:03 Reply Quote 0
                              • B Online
                                brechtvb @cdfreet
                                last edited by 3 Apr 2025, 21:03

                                weighted squat with buggy reading

                                weightedsquat.png

                                swimming with buggy reading

                                WhatsApp Image 2025-04-03 at 21.49.18.jpeg

                                1 Reply Last reply Reply Quote 0
                                • E Offline
                                  emilia_v @erik_ibk
                                  last edited by 20 Apr 2025, 07:19

                                  @erik_ibk I have the same problem and these are vital things to work so I’m really disappointed this issue has been constant for weeks and nothing is being done, even if MANY people are having the same issues. I think I might return the watch since these issues have been here the whole time I have had this. So disappointing.

                                  I can’t just be restarting this all the time and I can’t know when it is not going to measure the sleep. So it’s not helping to restart to get that sleep data back. How is it possible that there has been promised update but it’s been WEEKS? this would have never happened with Garmin. So I guess I have to return this then?

                                  1 Reply Last reply Reply Quote 0
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