American Valley Speedway

3/8-mile dirt oval American Valley Speedway is located in Quincy California at the Plumas-Sierra County Fairgrounds, 204 Fairgrounds Road. It is the second largest dirt track in California. Classes that compete at the track include: Pro Stocks, Hobby Stocks, Mini Stocks, Modifieds, Go Karts. Special events include: 410 Sprint Cars, 360 Sprint Cars, Dwarf Cars & The Western All Star Super Dirt Late Model Series.