NASCAR Nationwide Series STP 300 JOLIET, IL – JUNE 04: during the NASCAR Nationwide Series STP 300 at Chicagoland Speedway on June 4, 2011 in Joliet, Illinois. (Photo by Jonathan Daniel/Getty Images) Continue Reading Previous: STP 300 from Chicagoland Speedway preview Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website