With the introduction of road course racing in the IRL IndyCar Series, the Infiniti Pro Series followed suit with four road course races, including his first race outside of the IndyCar bill, the Liberty Challenge held at the Indianapolis road course during the controversial U. S. Grand Prix weekend.
With the introduction of road course racing in the IRL IndyCar Series, the Infiniti Pro Series adopted a similar format by incorporating four road courses, including his first race outside the IndyCar series, the Liberty Challenge at Indianapolis's road course during the U. S. Grand Prix weekend.