Owens Corning AttiCat 300

The Owens Corning AttiCat 300 was a NASCAR Xfinity Series standalone race held in the summer at Chicagoland Speedway in Joliet, Illinois. It replaced the race at Gateway International Raceway as a part of the 2011 changes to the series schedule. The race was replaced with a race at Pocono Raceway for the 2016 season.

Past winners

 * 2012: Race extended due to a green–white–checker finish.
 * 2015: Race postponed from Saturday night to Sunday due to rain and thunderstorm.