In celebration of 25 years of Buick Race Day the Buick Performance Group joins forces with Buick Race Day organizers to create one monster event in 2015, celebrating 50 years of the GS badge. The Buick Race Day event will be held May 29-31, 2015 at Summit Motorsports Park, Norwalk, Ohio. At this time there will be racing on Friday and Sunday with the 50th GS Anniversary Car Show on Saturday at the track with a BBQ. Summit Motorsports Park is a modern facility offering on-site RV hookups and camping.