Cal-Expo May 14 1972Cal-ExpoSacramento, CA 250MX Results 500MX Results Results Home 1972 Results Cal-Expo Live & On-Demand Learn More * all times Check back for a full broadcast schedule closer to the race. 1972500MXFull Results BradLackey1st RobNorgaard2nd JamesCooke3rd 1972250MXFull Results GunnarLindstrom1st PeterLamppu2nd JimWeinert3rd