As usual, yesterday during the BRM 200km ride, your app recorded 15km less. Other co-rider also faced the same situation. I also faced similar situation earlier with Strava, so I stopped using it. But again I checked your app yesterday during my ride. To be double sure, I was also using my reliable app Geo tracker which recorded accurately that's means my phone GPS signal is ok but Strava failed! Pls look into the matter seriously & rectify it, otherwise you will loose users rapidly.
I tried to book a ticket in support section but I failed, looks like the app has serious problem, not reliable at all. When one's hard work is not recorded accurately, it becomes so frustrating & anger!