The "Little Trees" 300 NASCAR Busch Series race over and Greg Biffle is the winner. Gates will open for the UAW-GM Quality 500 at 3 p.m. The 3 Doors Down pre-race concert will begin at 5:30 p.m. with the green flag dropping on the NASCAR Winston Cup race at 7:20 p.m. Tickets will be available at the gates for both races. Log on to for official updates on any changes to Saturday's schedule of events.

Keep watching for pictures, results, pit notes and more news from the events at Charlotte Motor Speedway and the UAW-GM Quality 500.