In the North, road racing starts to resemble cyclo-cross, its country winter-sports version.
By 1976, road racing had adopted the "formula" structure, which allowed 2-strokes and 4-strokes to compete on a more even basis.
Off road racing.is all about mud.forest tracks.driving wheels through the impossible in machines that look improbable.
Today, road racing is a popular sport among non-professional athletes, who included over 7.7 million people in America alone in 2002.
Second, and more important the rules governing all international road racing were changed to effectively ban all forms of supercharging.
As road racing has been banned in France, this is the first time the trophy is contested on a circuit.
In Europe, with its mountain roads and narrow country lanes, road racing is probably second in popularity only to soccer.
True road racing is run on tracks built from closed public and/or park roads and sometimes extra pieces of purpose built track.
The race exceeded road racing's traditional two-hour time limit.
As more people took up running for health and sport, road racing became popular.