About the Ironman ride ...

Bring a modern and vintage (air cooled) bike to ride.
Ride 30 sections on your modern bike and 30 sections on your vintage bike.
$15 entry fee
Finishers receive a commemorative Tshirt

Procedure:

Sign up for the Mosteller Cup trial in the class you came to compete in.
Indicate you are riding the Ironman and pay an additional $15 at sign up.
Saturday, ride your competetive class as scheduled (schedule determined Saturday morning), and ride your other bike when you're not scheduled to ride your competetive class.

Rules:

Ironman is Saturday only
Ride half the day on a modern bike and the other half on a vintage (air cooled) bike.
When riding your other bike, you must ride the Amateur line or above.
There are no awards or winners but scores will be posted.
Ironman participants are required to score a section on Sunday.