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.
Marshalltown Speedway track map
The layout of Marshalltown Speedway, drawn from its OpenStreetMap outline with north at the top, and a lap length of 0.35 mi (0.56 km).
Time your laps at Marshalltown Speedway
Lapforge knows Marshalltown Speedway: 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 Marshalltown Speedway
- Iowa Speedway 25 mi away
- Knoxville Raceway 50 mi away
- Boone Speedway 51 mi away
- Hamiliton County Speedway 55 mi away
- Independence Motor Speedway 60 mi away
- Hawkeye Downs Speedway 62 mi away
Track data © OpenStreetMap contributors, ODbL. Download the circuit data. Lengths are measured along the mapped racing surface.