Times every lap from your phone's GPS, with your best and last lap in big digits on the dash.
Lapforge: Track Day Lap TimerTimes every lap from your phone's GPS, with your best and last lap in big digits on the dash.
Grand River Motorsports, 0.8 km loop track map
The layout of Grand River Motorsports, 0.8 km loop, drawn from its OpenStreetMap outline with north at the top, and a lap length of 0.49 mi (0.80 km).
Time your laps at Grand River Motorsports, 0.8 km loop
Lapforge knows Grand River Motorsports, 0.8 km loop: when you arrive, it recognizes the track from your phone's GPS and draws this outline on the timing screen with your position on it.
Press GO, tap Set start line as you cross the line on your first lap, and Lapforge saves that line for every visit. Each lap after is timed from GPS, placed between two GPS readings rather than rounded to the next one. Lap timing and your lap history are free, with no account.
Tracks near Grand River Motorsports, 0.8 km loop
- Grand River Motorsports 1 mi away
- Five Flags Speedway 15 mi away
- Southern Raceway 36 mi away
- Tri County Speedway 38 mi away
- Mobile International Speedway 41 mi away
- Finishline Performance Karting 85 mi away
Track data © OpenStreetMap contributors, ODbL. Download the circuit data. Lengths are measured along the mapped racing surface.