2015 American Ethanol E15 225 Previous race results / Next race results IROC race number 16 of 23 Saturday, September 19, 2015 at Chicagoland Speedway, Joliet, IL 150 laps on a 1.500 mile paved track (225.000 miles) Time of race: 1:51:50 Average speed: 120.715 mph Pole speed: no time trials | Cautions: 3 for 23 laps Margin of victory: 12.014 sec Attendance: n/a Lead changes: 11 |
Glossary 2015 IROC results / 2015 standings | |