September 6, 1970       California 500      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Jim McElreath
February 27, 1971             Ontario Motor Speedway, Ontario, CA      NASCAR Late Model Sportsman      George Follmer
February 28, 1971       Miller High Life 500      Ontario Motor Speedway, Ontario, CA      NASCAR Winston Cup/Winston West      A.J. Foyt
March 28, 1971       Questor Grand Prix      Ontario Motor Speedway, Ontario, CA      FIA Formula One      Mario Andretti
September 5, 1971       California 500      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Joe Leonard
March 4, 1972       Sportsman 250      Ontario Motor Speedway, Ontario, CA      NASCAR Late Model Sportsman      Clem Proctor
March 5, 1972       Miller High Life 500      Ontario Motor Speedway, Ontario, CA      NASCAR Winston Cup/Winston West      A.J. Foyt
September 3, 1972       California 500      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Roger McCluskey
August 26, 1973       California 500 Qualifying Race      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Wally Dallenbach
August 26, 1973       California 500 Qualifying Race      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Johnny Rutherford
September 2, 1973       California 500      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Wally Dallenbach
March 3, 1974       California 500 Qualifying Race      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Johnny Rutherford
March 3, 1974       California 500 Qualifying Race      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      A.J. Foyt
March 10, 1974       California 500      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Bobby Unser
May 19, 1974       4 Hours of Ontario      Ontario Motor Speedway, Ontario, CA      IMSA GT      Peter Gregg
September 1, 1974       California Grand Prix      Ontario Motor Speedway, Ontario, CA      USAC/SCCA Formula 5000      Brian Redman
November 24, 1974       Los Angeles Times 500      Ontario Motor Speedway, Ontario, CA      NASCAR Winston Cup/Winston West      Bobby Allison
March 2, 1975       California 500 Qualifying Race      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Wally Dallenbach
March 2, 1975       California 500 Qualifying Race      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      A.J. Foyt
March 9, 1975       California 500      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      A.J. Foyt
November 23, 1975       Los Angeles Times 500      Ontario Motor Speedway, Ontario, CA      NASCAR Winston Cup/Winston West      Buddy Baker
May 9, 1976             Ontario Motor Speedway, Ontario, CA      IMSA GT      Jim Busby
September 5, 1976       California 500      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Bobby Unser
November 21, 1976       Los Angeles Times 500      Ontario Motor Speedway, Ontario, CA      NASCAR Winston Cup/Winston West      David Pearson
March 6, 1977       Datsun Twin 200      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      A.J. Foyt
March 6, 1977       Datsun Twin 200      Ontario Motor Speedway, Ontario, CA      USAC Stock Car      Jimmy Insolo
May 15, 1977       West Coast 250      Ontario Motor Speedway, Ontario, CA      NASCAR Winston West Series      Gary Johnson
September 4, 1977       California 500      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Al Unser
November 19, 1977       Warner Hodgdon 200      Ontario Motor Speedway, Ontario, CA      NASCAR Late Model Sportsman      Chuck Bown
November 20, 1977       Los Angeles Times 500      Ontario Motor Speedway, Ontario, CA      NASCAR Winston Cup/Winston West      Neil Bonnett
March 26, 1978       Datsun Twin 200      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Danny Ongais
March 26, 1978       Datsun Twin 200      Ontario Motor Speedway, Ontario, CA      USAC Stock Car      A.J. Foyt
September 2, 1978             Ontario Motor Speedway, Ontario, CA      USAC Mini-Indy Super Vee      Bill Alsup
September 2, 1978             Ontario Motor Speedway, Ontario, CA      USAC Mini-Indy Super Vee      Dennis Firestone
September 3, 1978       California 500      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      Al Unser
November 19, 1978       Los Angeles Times 500      Ontario Motor Speedway, Ontario, CA      NASCAR Winston Cup/Winston West      Bobby Allison
March 25, 1979       Datsun Twin 200      Ontario Motor Speedway, Ontario, CA      USAC Stock Car      A.J. Foyt
March 25, 1979       Datsun Twin 200      Ontario Motor Speedway, Ontario, CA      USAC Indy Car      A.J. Foyt
September 2, 1979       California 500      Ontario Motor Speedway, Ontario, CA      CART Indy Car      Bobby Unser
November 17, 1979       Warner W. Hodgdon 200      Ontario Motor Speedway, Ontario, CA      NASCAR Grand American      Jim Thirkettle
November 18, 1979       Los Angeles Times 500      Ontario Motor Speedway, Ontario, CA      NASCAR Winston Cup/Winston West      Benny Parsons
April 13, 1980       Datsun Twin 200      Ontario Motor Speedway, Ontario, CA      NASCAR Winston West Series      Roy Smith
April 13, 1980       Datsun Twin 200      Ontario Motor Speedway, Ontario, CA      CART/USAC Indy Car      Johnny Rutherford
August 30, 1980             Ontario Motor Speedway, Ontario, CA      USAC Mini-Indy Super Vee      Pete Halsmer
August 31, 1980       California 500      Ontario Motor Speedway, Ontario, CA      CART Indy Car      Bobby Unser
November 15, 1980       Los Angeles Times 500      Ontario Motor Speedway, Ontario, CA      NASCAR Winston Cup/Winston West      Benny Parsons
November 15, 1980       Warner W. Hodgdon 100      Ontario Motor Speedway, Ontario, CA      NASCAR Grand American      Joe Ruttman