Arizona Cycle ParkNovember 12 1972Arizona Cycle ParkPhoenix, AZ500MX Results Results Home 1972 Results Arizona Cycle Park Live & On-Demand Learn More * all times Check back for a full broadcast schedule closer to the race. 1973500MXFull Results PierreKarsmakers1st TimHart2nd PeterLamppu3rd 1972500MXFull Results BradLackey1st JimWeinert2nd GaryJones3rd