2006 IndyCar Series Schedule Race Type Country Date (ET) Winner Toyota Indy 300 Homestead Oval March 26 D. Wheldon Honda Grand Prix of St. Petersburg St. Petersburg Streetcourse April 2 H. Castroneves Indy Japan 300 Motegi Oval Oval April 22 H. Castroneves 90th Indianapolis 500 Indianapolis Oval May 28 S. Hornish jr. Watkins Glen Indy Grand Prix presented by Tissot Watkins Glen Roadcourse June 4 S. Dixon Bombardier Learjet 500 Texas Motor Speedway Oval June 10 H. Castroneves SunTrust Indy Challenge Richmond Raceway Oval June 24 S. Hornish jr. Kansas Lottery Indy 300 Kansas Oval July 2 S. Hornish jr. Firestone Indy 200 Nashville Superspeedway Oval July 15 S. Dixon ABC Supply Company A.J. Foyt 225 Milwaukee Mile Oval July 23 T. Kanaan Firestone Indy 400 Michigan International Raceway Oval July 30 H. Castroneves Meijer Indy 300 presented by Coca-Cola and Secret Kentucky Speedway Oval August 13 S. Hornish jr. Indy Grand Prix of Sonoma Sonoma Raceway Roadcourse August 27 Mo. Andretti Peak Antifreeze Indy 300 presented by Mr. Clean Chicagoland Oval September 10 D. Wheldon
