Layer Estimates:

Layer: track_points-point (ID:0)
Count: 5019
Extent:

XMin: -7834468.87124723
YMin: 5415470.39207848
XMax: -7831071.05529779
YMax: 5417371.55863072
Spatial Reference: 102100 (3857)

Layer: tracks-line (ID:1)
Count: 1
Extent:

XMin: -7834468.87124723
YMin: 5415470.39207848
XMax: -7831071.05529779
YMax: 5417371.55863072
Spatial Reference: 102100 (3857)