Drag racing
Overview
Drag racing is a competition in which specially prepared automobile
Automobile
An automobile, autocar, motor car or car is a wheeled motor vehicle used for transporting passengers, which also carries its own engine or motor...

s or motorcycles compete two at a time to be the first to cross a set finish line, from a standing start, in a straight line, over a measured distance, most commonly a ¼-mile (402.3 metres (1,319.9 ft)) straight track.

The race track, known as a dragstrip
Dragstrip
A dragstrip is a facility for conducting automobile and motorcycle acceleration events such as drag racing. Although a quarter mile is the best known measure for a drag track, many tracks are eighth mile tracks...

, uses an electronic timing system to determine the winner.
Before each race (also known as a pass), each driver is allowed to perform a burnout, which heats the driving tires and lays rubber down at the beginning of the track, improving traction.
 
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