Puyallup Raceway Park November 18 1973Puyallup Raceway ParkPuyallup, WA 500MX Results Results Home 1973 Results Puyallup Raceway Park Live & On-Demand Learn More * all times Check back for a full broadcast schedule closer to the race. 1973500MXFull Results PierreKarsmakers1st TimHart2nd RichThorwaldson3rd