Race 2 accuracy
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@isaac.net I completely agree with the importance of those pace errors. However, before the Race 2, I used a Race S. I regularly train on measured loops, so I know the discrepancy between the distance meassured by the watch and the actual distance. What catches my attention about this matter is that the underestimation errors in distance measurement with the Race 2 are similar to, or perhaps even smaller than, the overestimation errors I had with the Race S, and nobody ever complained about the Race S.
However, beyond the final error, I’ve had the feeling of irregular behavior in the distance measurement in the Race 2, the correction is certainly welcome.
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@chus1962 In this thread there are several users that did comparisons using a Race S and they are only finding discrepancies with the Race 2 but not the Race S
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@dreamer_ Just speaking from my own experience, which is the result of numerous repetitions, but yeah, under my own training conditions.
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@isaac.net I totally understand your needs but at least for me GPS is not usable for speed during (short) intervals even with good reception. I use a stryd pod for the speed. GPS derived speed is not stable enough.
But I don’t have a recent watch so perhaps it is usable now.
Personally, I don’t care being 2 to 5 seconds faster or slower than intervals specified speed. The reason is that usually the speed that has been asked for running the interval is an estimation based on previous races or tests. But those tests/races have also some uncertainty (temperature, sleep, improvement since the tests, …). I am pretty sure that two VO2Max speed tests realized back to back (with appropriate days rest in between) would give most of the time results with higher difference than 2%. Without talking about the accuracy of the instruments which is around 3% meaning that if you change the test laboratory (or the testing track), the results could be up to 3% different. So, to some margin (around 10’/km) I adapt my speed up or down according to my current feeling. I think that precision is more valuable than accuracy and for short intervals GPS speed is neither of them. Just my opinion… -
I was thinking about returning my Race 2 for the Vertical 2 because of this issue, but in the end I decided to stick with the Race 2.
I’m really glad to hear this issue will be addressed! -
I was thinking about returning my Race 2 for the Vertical 2 because of this issue, but in the end I decided to stick with the Race 2.
I’m really glad to hear this issue will be addressed!I did that because of this and while the V2 is a fantastic device, I’m personally finding the Race 2 was better in my wrist (I’m thin with thin wrists). Buttons are also higher profile and I wish they were lower, like the buttons of the Race 2. But that’s my experience, of course.
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@dreamer_ I’m built similarly to you so glad I stuck with the Race 2. Maybe you’ll change back after the update!
I didn’t want to pay an additional £100 for a torch and bigger battery, neither of which I need. This would also come with more bulk and omission of the scroll wheel which I like for zooming the maps.
I wonder whether this update will be included in the next quarterly one or a separate earlier fix…
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Any updates on improved accuracy atm?
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Maybe nice to share this video by The Quantified Scientist. He compares the gps accuracy of Suunto watches (R2 and V2) with Garmin, Polar and Coros.
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@YoeChr saw it and imho it’s the biggest b…it coming from him. Having the watches on a flexible strap where some are facing the ground and others (pretty sure it’s the forerunner) facing sky. If not the gps it will throw off every algorithm based on the steps/gps calculation. That being said I confirm that the R2 is shortening all my runs compared to the V2 and others. In some cases as much as 250m on a 20km
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@EzioAuditore and once again it must be remembered that the GPS data collection of the Race 2 is very good, the problem comes later with the software processing of the information to calculate the distance to be displayed.
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