The Iowa Corn Indy 250 race is set for Saturday evening at the Iowa Speedway.
The IndyCar Series event is set for a 9 p.m. start time in Newton.
The defending champion of the event is Marco Andretti. Dario Franchitti, the winner of the 2012 Indianapolis 500 event late last month, has won two of the previous five Iowa Corn Indy 250 races in Newton.
Will Power enters the event at the IRL point leader for the 2012 season.
The rest of the top five in the IRL point standings are James Hinchcliffe, Scott Dixon, Ryan Hunter-Reay and Helio Castroneves.