Hot phase on my marathon training 
Screenblackout:
Did two simple 30k trainings. The watch stops displaying anything after exact 20k. Both times!
The running app is black. Touching, scrolling, nothing will make the display work again.
Except the autolap…
It looks like the discussion a) has been going on forever. I found this interesting thread there that includes a user survey and the involvement of a Garmin employee.
Survey for using instant vs step pace on the workout screen - Forerunner 945 - Running…
Another observation: The speed/pace was also completely off during the run.
First, it started way too high and in the middle of the run, it was lower than I would assume it would be. I always had the feeling of running faster than the displayed pace for…
I guess that's right. Here is some info that I found as well
"In addition to the alert during the first part of your run, you can add…
I run the exact same route (Invalidenfriedhof --> Spreeufer) 2-3x a week. My tracks aren't better. I have to disagree about the Spreeufer being an open area. On one side you have the water (reflections) and on the other side a wall/building/trees on both…
I emailed TrainingPeaks support and here is their reply:
Thank you for reaching out. Unfortunately, there is no way to disable the pace alerts at this time. This is a limitation with Garmin devices and we do not have any control over this functionality…
