session
Ready to drive
Auto-record is off: tap Record before each run. Mount the phone rigidly — landscape is best — and hold the car still while it calibrates. How to mount it
Before you go
Trackfound from GPS once you startCourse not markedfound by itself once you've done a few laps — or mark it nowNo start linelaps are found after the run insteadNot at an eventjoin one to put your car on the big screen
Hands-free