High Quality Content by WIKIPEDIA articles! The 1998 Pepsi 400 was a NASCAR Winston Cup Series stock car race held on October 17, 1998 at Daytona International Speedway in Daytona Beach, Florida. Originally scheduled to be held on the Fourth of July, the race was postponed until the fall due to widespread wildfires in central Florida; it was the first superspeedway race to be held at night.