Greater San Francisco Speedway
Built by Jack Prince and Art Pillsbury in San Carlos, San Francisco Speedway (also known as Greater San Francisco Speedway) was a 1.25 mile wooden oval used between December 11 1921 and June 14 1922. More than 40,000 spectators would regularly attend the races. Sadly it was destroyed by fire on June 19th, 1922. It is now the site of an airport.