The Subway 400 was the second race of the NASCAR Winston Cup Series season until 2004, held a week after the Daytona 500. This 400-mile (644 km) annual race was sponsored by Subway and was held at North Carolina Speedway (The Rock) since 1966. From 1966 to 1995, the race distance was 500 miles (805-km) which was shortened to 400 miles starting from the 1996 season.