Michael Byrne (26) and Bruce Prochnavy (37) race in practice at the 2004 Hangtown National. Burner, from Australia, has been one of the stars of AMA Motocross for several years now. Prochnavy, originally from Calgary, Alberta, who spent much of his time living in California, was a privateer who did a lot of the Canadian Nationals and hit the occasional AMA National in the West Coast.

Michael Byrne (26) and Bruce Prochnavy (370) race in practice for the Hangtown National in 2004. (Larry Lawrence photo)