AMA Supercross Championship

The AMA Supercross Championship (commercially known as Monster Energy AMA Supercross) is the premier American stadium motorcycle racing series. Founded by the American Motorcyclist Association (AMA) in 1974, the AMA Supercross Championship races are held from January through early May. Supercross is a variant of motocross which involves off-road motorcycles on a constructed dirt track consisting of steep jumps and obstacles; the tracks are usually constructed inside a sports stadium. The easy accessibility and comfort of these stadium venues helped supercross surpass off-road motocross as a spectator attraction in the United States by the late 1970s.^[6]

The sport of Supercross is best described as motocross racing that takes place within the confines of a sports stadium. The tracks are typically shorter in length than a standard motocross track. They feature a combination of man-made obstacles such as whoop sections (where riders skim along the tops of multiple bumps), rhythm sections (irregular series of jumps with a variety of combination options), and triple jumps (three jumps in a row that riders normally clear in a single leap of 70 feet or more). Many of the turns have banked berms, but some are flat. It takes roughly five hundred truckloads of dirt to make up a supercross track. Soil conditions can be hard-packed, soft, muddy, sandy, rutted, or any combination thereof.

AMA Motocross Championship

The AMA Motocross Championship (commercially known as Pro Motocross Championship) is the American national outdoor motorcycle racing series. The motocross race series was founded and sanctioned by the American Motorcyclist Association (AMA) in 1972.^[7] The series is the premier motocross competition in the United States and is sanctioned by AMA Pro Racing and managed by MX Sports Pro Racing.

SuperMotocross all time wins list

More information 450 Class, Wins ...

450 Class	Wins	250 Class	Wins
Jett Lawrence	2	Haiden Deegan	1
Chase Sexton	1	Jo Shimoda	1
		Hunter Lawrence	1

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