ALSO SEE MX Goes Disney With Motocrossed Chat Wrap: Jeremy McGrath Talk back on the Moto X board Chat Wrap: Ricky Carmichael 12.28.00 ESPN.com Carmichael began racing at the age of five. In 2000, Carmichael won an impressive nine of 12 races in 250cc AMA Motocross series, breaking the 22-year-old single season record for most 250cc motocross wins in a season previously held by Bob Hannah. He ...