BMX
Overview
 
Bicycle motocross or BMX refers to the sport
Sport
A Sport is all forms of physical activity which, through casual or organised participation, aim to use, maintain or improve physical fitness and provide entertainment to participants. Sport may be competitive, where a winner or winners can be identified by objective means, and may require a degree...

 in which the main goal is extreme racing on bicycle
Bicycle
A bicycle, also known as a bike, pushbike or cycle, is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A person who rides a bicycle is called a cyclist, or bicyclist....

s in motocross
Motocross
Motocross is a form of motorcycle sport or all-terrain vehicle racing held on enclosed off road circuits. It evolved from trials, and was called scrambles, and later motocross, combining the French moto with cross-country...

 style on tracks with inline start and expressive obstacle
Obstacle
An obstacle is an object, thing, action or situation that causes an obstruction. There are, therefore, different types of obstacles, which can be physical, economic, biopsychosocial, cultural, political, technological or even military.-Physical barriers:As physical obstacles, we can enumerate all...

s, and it is also the term that refers to the bicycle itself that is designed for dirt and motocross cycling
Cycling
Cycling, also called bicycling or biking, is the use of bicycles for transport, recreation, or for sport. Persons engaged in cycling are cyclists or bicyclists...

.
BMX started in the early 1970s when children began racing their bicycles on dirt tracks in southern California
Southern California
Southern California is a megaregion, or megapolitan area, in the southern area of the U.S. state of California. Large urban areas include Greater Los Angeles and Greater San Diego. The urban area stretches along the coast from Ventura through the Southland and Inland Empire to San Diego...

, drawing inspiration from the motocross superstars of the time.
 
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