Why is this happening? 
I have not covered this distance. I use the app on my phone Моторола G72.
Question
The app Strava saves me more distance.
+1
+28It looks like you may have had a bad GPS signal near the start of your activity. Looks like it got better once it had more time to lock in the signal. If that anomaly is really right at the start of the activity, you can try using the "crop" tool to trim off just that first tiny bit of the activity and see if that cleans it up.
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