An updated version of the program can be found here:

http://user.gru.net/nemesis/jim/airplaneraces.htm

It's very easy to create a sample roster to play with. Be sure to check out the heats generation section. We've had a lot of suggestions and tried to accomodate as many as possible. I think the cool one is "With fly off", where the last round continually changes as the scores are entered, with the top scorers ending up flying against each other.

A tutorial can be found here:

http://user.gru.net/nemesis/jim/MARSTutorial.htm