 Typically the support series would take the month of May off while the top-level Indy cars were at the Indianapolis 500.In 1979, USAC's Mini-Indy series scheduled a support race on the oval at nearby Indianapolis Raceway Park, but it was held only once.When the IRL started the Indy Pro Series in 2002, officials began exploring the possibility of holding a support race at Indianapolis in the days leading up to the Indianapolis 500.