Busch then won Sprint Cup races at Las Vegas Motor Speedway and Bristol Motor Speedway. Shelby 427 race at Las Vegas Motor Speedway. ISC is still headquartered in Daytona Beach, Florida near Daytona International Speedway. Indy 225 at New Hampshire Motor Speedway. Roar Before the Rolex 24 Hours at Daytona International Speedway. Racing takes place at part of the Bonneville Salt Flats known as the Bonneville Speedway. In 1992, Howard began auto racing in Mobile, Alabama at the Mobile International Speedway. The Indianapolis 500 is held annually at the Indianapolis Motor Speedway, a oval circuit. Upon debut at Daytona International Speedway, they finished sixteenth. Experience, a museum and gallery adjacent to Daytona International Speedway. The track was shaped like the Indianapolis Motor Speedway. The race is held at the Indianapolis Motor Speedway, located in Speedway, Indiana. At Auto Club Speedway, Earnhardt started 15th. Delaware is home to Dover International Speedway and Dover Downs. Pontiac at Lowe's Motor Speedway.