Västervik Speedway was created in 1966.
Chicagoland Speedway was created in 2001.
Seekonk Speedway was created in 1946.
Langhorne Speedway was created in 1926.
American Speedway was created in 1987.
Islip Speedway was created in 1947.
Bonneville Speedway was created in 1911.
Bedford Speedway was created in 1936.
Speedway Motorsports was created in 1994.
Owosso Speedway was created in 1939.
Portland Speedway was created in 1924.
Speedway LLC was created in 1959.
LaSalle Speedway was created in 1992.