Inaccurate gps tracking after update 12.23 on FR 955

Hi Stefan! Have you changed the Data Recording setting from Smart to Every second? Sometimes it helps... I think there are kinda problems with smart function of data recording...

Hi, i tried it yesterday... no change. (look in this thread at the end). Funnywise it is only one time mostly short after start of running, the rest is verry smooth.

I noticed a better reception of the GPS signal in the right hand, does that proceed? I ran tests this week.

Hi all!

did someone get fixed that problem?

Still the same on 13.22. Distances ar off as well. Ran two races a 15k distance on Garmin 955 15,4 km , half marathon 21,69 km

https://connect.garmin.com/modern/activity/10147896902 

https://connect.garmin.com/modern/activity/10119963628 

multi band + all systems 

@spruitp, looking at your 2 races it seens visually not perfect but reasonably ok to me. (Congratulations for your reat performances in the races by the way!)
Did you compare the total gps distance to other people with different Garmin watches in the same race? 

In my case, the FR955 route log is kinda ok (like yours) for "run" and "open water" swim profiles. For other sports profiles I've tried like trail run, track run, kayak, sup and "other" the route log is a mess like I showed in this topic. 

Maybe you or anyone else in this topic would run some testing using one of these apps, like trail run. So if it shows any issues you can upload watch files to support like I did.

Garmin-Kevin is treating the case with engineering team, but it's been more than a month without updates or news on the matter. Any news?

Often races are officially measured around the shortest possible path, which usually means taking the "racing line" round corners. Little deviations from that can add up.

And having a more accurate GPS can sometimes make that worse, as there's less smoothing and averaging of the path actually taken.

For example, older Garmin devices always under-record my local parkrun which has lots of sharp turns and tree cover. Newer devices with better GPS always over-record the distance. The difference is between 10% under and 10% over.

I have ran these races previously on the same courses with a 945 or an 630. They then measured 14,9 and 20,9 km. So i was surprised that the distance was longer then expected. They are measured courses. My mates registered 15 km exactly and for the 21,1 km, 20,94. 

this is my old file wich also was 20,9 i ran in 2017 on the same course

connect.garmin.com/.../2392843307

15 km course by others garmin user 

connect.garmin.com/.../139371936

I bought a Fenix7 solar in attempt to solve this problem. 

Another disappointment. Looks like the problem is not only with the 955 but with some firmware update that also affected the Fenix watches.