The AMA was formed in 1924 but it wasn't until 1969 before the AMA ran its first professional Motocross race.
The AMA was founded in 1924 but the first AMA professional motocross race did not happen until 1969.
1997 AMA 125cc Outdoor National Motocross Champion (Kawasaki) 1998 AMA 125cc Outdoor National Motocross Champion (Kawasaki) 1999 AMA 125cc Outdoor National Motocross Champion (Kawasaki) 2000 AMA 250cc Outdoor National Motocross Champion (Kawasaki) 2001 AMA 250cc Supercross Champion (Kawasaki) 2001 AMA 250cc Outdoor National Motocross Champion (Kawasaki) 2002 AMA 250cc Supercross Champion (Honda) 2002 AMA 250cc Outdoor National Motocross Champion (Honda) *Perfect Season: 24-0* 2003 AMA 250cc Supercross Champion (Honda) 2003 AMA 250cc Outdoor National Motocross Champion (Honda) 2004 AMA 250cc Outdoor National Motocross Champion (Honda) *Perfect Season: 24-0* 2005 AMA 250cc Supercross Champion (Suzuki) 2005 AMA 250cc Outdoor National Motocross Champion (Suzuki) 2006 AMA 250cc Supercross Champion (Suzuki) 2006 AMA 250cc Outdoor National Motocross Champion (Suzuki)
The AMA season starts in early May and ends in mid-September. Source: Wikipedia
AMA Motocross revenue for 2008 was reported to be 559 million.
AMA U-S- Motocross Nationals - 1990 was released on: USA: 25 March 1990
AMA United States Motocross Nationals - 1990 was released on: USA: 25 March 1990
AMA Motocross 450 Season Highlights - 2013 was released on: USA: 18 September 2013
James Stewart Jr., widely known "Bubba" is a professional motocross racer. Well known for his tenacity and speed as well as being the first African-American to have success at the very top levels of the sport of motocross. Some of his accomplishments are: 2002 AMA 125 Motocross National Champion 2003 AMA 125 West Supercross Champion 2004 AMA 125 East Supercross Champion 2004 AMA 125 Motocross National Champion 2006 FIM WSXGP Supercross Champion 2007 AMA Supercross Champion 2008 AMA Motocross National Champion
Number 7
29 for the 2009 schedule. For the 2009 AMA Supercross series there are 17 races. For the 2009 AMA Motocross series there are 12 races.
Chad Reed
It would help, see any fat pro motocrossers?