Dropping heart rate belt
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@Brad_Olwin right so I created a couple of Runalyze accounts and imported the Suunto Run fit file into one, and the Wahoo ROAM fit file into the other. Both were taking data from the same strap during the same activity as I dual recorded.
This is the ROAM activity:
This is the Suunto Run activity:
This looks really odd. It doesn’t appear that the Suunto is missing the data at the end, as the same pattern for the final 21-27km of the ROAM graph matches the 14-20km section from the Suunto graph. It looks more like the 4-11km section from the ROAM is missing from the Suunto graph.
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@owend Check the R-R data not HR, the HR is calculated from R-R. You will be able to see how noisy the R-R data are.
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@Brad_Olwin ok this is what that graph shows for the Suunto activity. I don’t see the same graph on the Wahoo ROAM fit file:
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@owend looks good
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@owend well, it happened to me too today, the activity lasted 2 hours and 20 minutes but the heart rate graph is missing the last 20 minutes or so.
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@Hari-Seldon yeah it’s really odd. I’ve reported it to support and given them fit files from my Suunto and Wahoo ROAM for them to compare. On this mornings ride, I checked my Suunto screen every 15-20 mins and it always matched what I saw on my Wahoo screen, right up to the end of the ride. However the synced activity once I’d finished, is missing hr data for the last 50 mins. Which leads me to think it’s more an issue with the watch writing the data to the fit file than any potential connectivity issue with the hr strap.
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@owend It was a recovery session spent entirely in Z1 and I noticed that the time reported in Zone 1 corresponds to the total time of the session, so it seems to be just a “graphic” problem
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@Hari-Seldon yeah I guess it’s possible that it’s a bug with the app rather than the watch. But without a way to grab the fit file direct from the watch without using the app, there’s no way to confirm that. Exporting the fit file from the app and analysing elsewhere shows the same lack of data at the end of the workout. If you haven’t already could you submit a support ticket for it so they don’t just see it as an isolated case?
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@owend said in Dropping heart rate belt:
If you haven’t already could you submit a support ticket for it so they don’t just see it as an isolated case?
Absolutely!
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I had a feeling this might be some sort of timing bug when there are pauses (auto or manual) in an activity. So I disabled auto pause for the cycling profile before my commute home and for the first time in a while, I see no hr data loss at the end. Before I update support I’ll do some more testing and see if it continues to behave with auto pause disabled, and test with manual pauses as well.
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@owend said in Dropping heart rate belt:
I had a feeling this might be some sort of timing bug when there are pauses (auto or manual) in an activity
afaic no pauses at all. That said it only happened once so far…
