The Fourth Turn has developed a lap timing stopwatch app for iPhone that times out to the thousandths instead of just hundredths like the timer that comes standard.

We have also released a track info app for the Dillon Motor Speedway.

Click on QR code or find us on the iOS App Store.

Fourth Turn Lap Timer

Fourth Turn Lap Timer Lite

Dillon Motor Speedway Track Info App

Please contact us with any app issues.