NASCAR O'Reilly Auto Parts Series at Chicagoland Speedway

Stock car racing events in the NASCAR O'Reilly Auto Parts Series have been held at the Chicagoland Speedway.

Current race

The NASCAR O'Reilly Auto Parts Series at Chicagoland Speedway is a NASCAR O'Reilly Auto Parts Series stock car race held annually at Chicagoland Speedway in Joliet, Illinois.

History

In 2008 the race has been held at night under Chicagoland's lighting system, after being held as a day race for the previous 7 years. However, in 2011, the race returned to daytime. From 2016 to 2017, it served as the final race of NASCAR's "regular season" for the Xfinity Series, Following the race, the top 12 drivers in points standings advance to the seven-race NASCAR Xfinity Series playoffs.

In 2017, the race was known as TheHouse.com 300. Starting in 2018, the race moved to June, the weekend before 4th of July. The new race that Las Vegas Motor Speedway acquired from Kentucky Speedway took Chicagoland's former spot and was renamed the Overton's 300.

In 2026, the race would return to the schedule.

Past winners

• 2010: Race extended due to a overtime finish.
• 2020: Race cancelled and moved to Darlington due to the COVID-19 pandemic.

Multiple winners (drivers)

Multiple winners (teams)

Manufacturer wins

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–checkered finish.
• 2015: Race postponed from Saturday night to Sunday due to rain and thunderstorm.

Manufacturer wins

External links

• race results at Racing-Reference