 Depending on point totals of individual racers, winners of Grand Nationals do not necessarily win National titles.Series and one off Championships are also listed in block.National Bicycle Association (NBA)
National Bicycle League (NBL)
American Bicycle Association (ABA)
United States Bicycle Motocross Association (USBA)

†NAG=National Age Group
International Bicycle Motocross Federation (IBMXF)


National Bicycle Association (NBA)
National Bicycle League (NBL)
American Bicycle Association (ABA)
United States Bicycle Motocross Association (USBA)

United States Bicycle Motocross Association (USBA)
International Bicycle Motocross Federation (IBMXF)

Independent Pro Series Championships and Invitationals



May had a "go for broke" racing style that often would result in him wrecking on the track and resulting in his injury.