2005 Voss raced in the AMA 250cc Supercross series, earning top-five finishes at Phoenix and Las Vegas... Raced a limited AMA 250cc Motocross Championship season, his best result an eighth-place overall at the Sacramento, Calif. season-opener... Raced with Yamaha No Fear team.

2004 Voss entered the AMA 250cc Supercross series, earning top-five finishes at Houston and Irving, Tex... Raced in the AMA 250cc Motocross Championship, earning eight, overall top-10 finishes... Raced with Mach 1 Yamaha team.

2003 Voss earned top-five finishes in the AMA 250cc Supercross races at Pontiac, Mich., and Irving, Tex... He raced a limited AMA 250cc U.S. Motocross Championship season, best result was 10th-place overall at Washougal, Wash... Raced with Mach 1 Yamaha team.