April 16, 1950             Los Angeles Fairgrounds, Pomona, CA      AAA Midget      Johnnie Parsons
February 24, 1952             Los Angeles Fairgrounds, Pomona, CA      AAA Stock Car      Jim Rigsby
October 12, 1952             Los Angeles Fairgrounds, Pomona, CA      AAA Stock Car      Jack McGrath
February 24, 1957             Los Angeles Fairgrounds, Pomona, CA      USAC Stock Car      Sam Hanks
February 23, 1958             Los Angeles Fairgrounds, Pomona, CA      USAC Stock Car      Johnny Mantz
March 8, 1959       Examinder Grand Prix of Pomona      Los Angeles Fairgrounds, Pomona, CA      USAC Road Racing Championship      Ken Miles