November 14, 1954       Silver State Century      Las Vegas Park Speedway, Las Vegas, NV      AAA Indy Car      Jimmy Bryan
October 16, 1955             Las Vegas Park Speedway, Las Vegas, NV      NASCAR Grand National/Pacific Coast      Norm Nelson
November 29, 1959       Las Vegas Grand Prix      Las Vegas Park Speedway, Las Vegas, NV      USAC/ARCA Stock Car      Fred Lorenzen