Quelle englisches Forum. Das Problem mit der Pace beruht offensichtlich darauf, dass Garmin die Bewegungssensoren mit einbezieht, um daraus bessere Daten in der Fit Datei zu liefern. Was wohl nicht so wirklich gut ist. 
Ein sehr aktiver User hat extra ein…

One more thing (I am sure I have edited my previous post)

I have noticed that when GPS is not yet fixed (still red arc) then routing takes ages.

As soon as I have good Green GPS fix, it works as expected. It is not as fast as on mobile phone creating…

They do heavy filtering of the speed/positions to make it look nice. Look at the positions at the map, and you will notice that it is almost always taking the curve inside of the real track. If you do that consistently you get a shorter distance. The…

@gragry I had much more problems with 935. They changed GPS firmware during summer and all swim was with bad distance .... I  had to guess my speed and change all the distances .... GPS seems really good for running on 255, for swimming is a little short…

I am a long time Garmin golf user with a Garmin Golf watch and CT10 sensors and I would hate if data from the sim was mixed with real course data. Mostly because the R50 is 15% wrong on the short side for distances. Sure let Garmin make recording sim data…

GPS was designed more for horizontal measurements. Also, being off by 1000 ft horizontally is no big deal while being off by 1000 ft is something people start caring about.

Barometers are much more sensitive and better-suited for grade (which is being…

I have the F5 on my wrist, heart rate measurement  works flawless. The XC100 has a CR1/3N battery.  I also have a Wahoo Elemnt on the handle bar, this cycle computer measures  the power from the pedal correctly.

I have tried if switching off the wahoo helps…