July 25, 2009		Autobahn Country Club, Joliet, IL	IMSA Mazda Atlantic	John Edwards
July 26, 2009		Autobahn Country Club, Joliet, IL	IMSA Mazda Atlantic	John Edwards
July 31, 2010		Autobahn Country Club, Joliet, IL	IRL USF2000	Tõnis Kasemets
August 1, 2010		Autobahn Country Club, Joliet, IL	IRL USF2000	Sage Karam
August 1, 2010		Autobahn Country Club, Joliet, IL	SCCA Trans Am	Tony Ave
September 11, 2021		Autobahn Country Club, Joliet, IL	SCCA Atlantic Championship	Keith Grant
September 12, 2021		Autobahn Country Club, Joliet, IL	SCCA Atlantic Championship	Keith Grant