The Chicago Street Course is a 2.2 mi (3.5 km) street circuit in Grant Park in the city of Chicago, Illinois, United States. It currently hosts the NASCAR Cup Series and NASCAR Xfinity Series, with the first races run on July 1–2, 2023. The track was initially a conceptual track on iRacing made for the eNASCAR iRacing Pro Invitational Series in 2021.