My Galaxy Watch with latest firmware (Aug 2019) R800XXU1CSG4 tracks too many (short) lanes.
The lane length is set correctly to 50m, yet about 20% of the lanes are counted as 2 lanes.
My avarage time for a lane is 65sec.
Some of the recorded lanes are measured as long as just 13sec, which is much less than the current world record!
So here is my bug report:
All the mentioned points do not apply!
The problem is that it's counting too many (and impossible short) lanes
I'm a software developer for IOT, so I know that it is not an easy task to "guess" the lanes when you just have an accerelometer.
My point is: use probability and statistics and ignore impossible or unlikely lanes.