GPS accuracy

Hi everyone, 

Since 1 month, my gps accuracy has some "bug". In average once per run. (see picture)

Does anyone has experienced the same behavior?

What I've tried:

  • synchronize the watch just before the run
  • wait longer before press start to aquire more satelites
  • reset the watch

Is there a way to solve it? I mean for the price of the watch I would expect that it last for more than 1year and a half :(