NASCAR O'Reilly Auto Parts Series at Daytona International Speedway
Stock car racing events in the NASCAR O'Reilly Auto Parts Series have been held at Daytona International Speedway, in Daytona Beach, Florida during numerous seasons and times of year since 1982. == Spring race == The United Rentals 300 is the first race of the NASCAR O'Reilly Auto Parts Series season, 300-mile-long (483 km) held at Daytona International Speedway.