Chicago Airfield is a raceday event featured in Need for Speed: ProStreet. The event takes place at Chicago Airfield and is hosted by the Super Promotion organisation. The raceday is unlocked upon Ryan Cooper dominating Super Promotion's Infineon event. The raceday allows all participants to drive any vehicle of their choosing but a Grip, Drag and Drift vehicle is required for entry. A backup car may also be chosen but will be restricted to a single class. Reaching the win criteria at the raceday will reward Ryan Cooper with $9,000. Dominating the raceday will reward Ryan Cooper with $17,500.