CALVMX MX Class Descriptions
Classic 1 Any bike built before 1968 Classic 2 Any bike built before 1968
Vintage Sportsman 100 Any 100 cc bike built before 1975 Vintage Sportsman 125 Any 125 cc bike built before 1975 Vintage Sportsman 250 Any 250 cc bike built before 1975 Vintage Sportsman 500 Any 500 cc bike built before 1975
GP1 Any bike built before 1978 GP2 Any bike with drum brakes, air cooled GP3 Any bike with drum brakes GP4 Any bike built before 1990
>>All GP classes are broken further down to 125cc, 250cc and 500cc
+30 Vintage sportsman or GP bike +40 Vintage sportsman or GP bike +50 Vintage sportsman or GP bike +60 Vintage sportsman or GP bike
>>All age classes are broken down by either GP class or Vintage class
Ironman Any man or womean on any bike with drum brakes. One 30 minute moto
Women Any age any bike
Jr. Vintage 12-15 years old pre-1975 bike
Jr. 12-15 years old any bike
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