Ama Supercross ChampionshipShip is one of the US motorcycle competitive events and is approved by the US Motorcycle Association (AMA) in 1954. Originally includes five forms of different games: a mile coal slag runway game, half-mile coal slag runway race, short track, TT off-road obstacle and road competition, also known as flat road games. From the end of the 1950s to the end of the 1970s, the Motorcycle Championships in the United States has always been the top Motorcycle series. In 1973, the Americans who consciously consciously moved into the city gymnasium in the Motocross off-road event in remote countryside, which greatly promoted the development of off-road events. In 1974, it was officially held in Supercross Championship, attempted to be a growing cross-country match. The Ama Supercross Champions Hip event is dominated by AMA, sponsored by Monster Energy. Supercross This vocabulary itself is also combined by both of Super Bowl and MotoCross.
AMA US Motorcycle Association is a non-profit organization in the United States, consisting of more than 300,000 motorcycle enthusiasts, held a lot of motorcycle competition activities. The organizational mission is "the protection of members need to protect and promote the interest of motorcycle enthusiasts." The organization was established in 1924 and has more than 1,200 clubs. For clubs and sponsors, organizations provide recommendations on competitions and alliance issues while also allowing members to vote on related issues. The organization is also a representative of the cooperation of the US motorcycle industry.
The Supercross competition consists of the soil road, the rushing ramp and obstacles. The event lasted from mid-May every year, from 17 rounds of 450cc, the western 8-wheel 250CC and the eastern 8-wheel 250cc in 14 venues of the North America. From the 1970s to the 1980s, the Motorcycle in the United States was proved to cultivate fertile soil from the World Championship. Ama Supercross Championship currently serves a 450CC four-stroke racing and 250cc four-stroke racing. As with other events, Ama Supercross Championship has experienced many changes. In 1994, a female group competition was established. In 2006, the 250CC event was renamed MX event. The 125CC event was renamed MX Lite event. In 2009, it was renamed 450 events, 250 events.