2011 Fast Five 225 Previous race results / Next race results IROC race number 18 of 25 Friday, September 16, 2011 at Chicagoland Speedway, Joliet, IL 150 laps on a 1.500 mile paved track (225.000 miles) Time of race: 1:36:38 Average speed: 139.703 mph Pole speed: 175.507 mph | Cautions: 3 for 15 laps Margin of victory: 4.950 sec Attendance: 30000 Lead changes: 12 |
Glossary 2011 IROC results / 2011 standings | |