Racers and Race Fans! Sure you might have a stopwatch but how FAST are they going? With Lap Speed! you can see the lap time and the speed!
You can select tracks in the US on the "Tracks" page, or create your own track on the "Custom" page.
Tracks page you can find most of the oval and road tracks in the US.
You can also save (export) the entries on the main page.