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Supermoto or Supermotard is motorcycle racing on a circuit that alternates between three types of track: flat track, motocross and road racing, using motorcycles designed for that purpose. Supermoto was originally conceived as something like an all-star game, in which the best riders from the three separate genres of motorcycle racing could temporarily leave their normal race class to come together and compete for the title of best all around racer. Today supermoto is a distinct genre of its own and riders in the other classes do not routinely cross over into supermoto. Races are commonly held on road racing or medium-sized go-kart tracks with an off-road section in the infield. Most supermoto race tracks have a tarmac size of 50-75% and the remaining percentage of the course is off-road. The dirt sections are usually constructed of packed clay and feature motocross style obstacles like bermed corners and jumps. This type of racing is also very portable in that an entire track can be constructed anywhere there is a large area of open asphalt and an availability of dirt. Supermoto races have also been successfully held in busy urban centers using closed city streets for the road course and a vacant lot for the dirt sections. The motorcycles used are frequently custom-created combinations of off-road motorcycles and road-racing wheels/tires, known as 'supermotard' bikes. Riders also wear a combination of road race and offroad equipment, normally road racing leathers and motocross helmets and boots. Unlike normal motorcycle racing, the emphasis lies on slower speeds—typically less than — on short, technical tracks. Here, where flat-out acceleration and high top-speeds are less common, rider skill can more easily overcome a disparity in machine performance. == History == Supermoto has its origins in the 1970s when ABC’s ''Wide World of Sports'' was the highest-rated sports show in the United States. In 1979, ABC commissioned a made-for-TV event called "Superbikers," created by motorcycling journalist and promoter Gavin Trippe, intended to find the ultimate all-around motorcycle racer by putting all star riders from different genres of racing on a single track that combined three genres of racing: flat track racing, motocross and road racing. Superbikers was then manifested as a yearly event run at southern California's Carlsbad Raceway. The show's tarmac-and-dirt courses were intended to draw on talent from the world's of off-road, flat track and road racing. World and National Championship-winning motorcycling greats such as Kenny Roberts and Jeff Ward, whose respective sports at the time were road-racing and motocross, participated in the races. The Superbikers quickly became a huge Nielsen ratings contender, running until 1985, at which point ABC was forced to cancel the show due to new management and cuts; its cancellation also initiated a long sabbatical of the sport in the USA. The European racers who participated in the sport at Carlsbad, however, brought it back to Europe with them, where it quickly gained popularity in countries such as France. The 2000s signalled the resurrection of the sport in the United States, with the birth of the AMA Supermoto Championship in 2003 and with the event to the X Games in 2004. Both competitions were cancelled after the 2009 season. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「supermoto」の詳細全文を読む スポンサード リンク
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