Indianapolis 500
Overview
 
The Indianapolis 500-Mile Race, also known as the Indianapolis 500, the 500 Miles at Indianapolis, the Indy 500 or The 500, is an American automobile race
Auto racing
Auto racing is a motorsport involving the racing of cars for competition. It is one of the world's most watched televised sports.-The beginning of racing:...

, held annually, typically on the last weekend in May (specifically over the Memorial Day
Memorial Day
Memorial Day is a United States federal holiday observed on the last Monday of May. Formerly known as Decoration Day, it originated after the American Civil War to commemorate the fallen Union soldiers of the Civil War...

 weekend) at the Indianapolis Motor Speedway
Indianapolis Motor Speedway
The Indianapolis Motor Speedway, located in Speedway, Indiana in the United States, is the home of the Indianapolis 500-Mile Race and the Brickyard 400....

 in Speedway, Indiana
Speedway, Indiana
Speedway is a town in Wayne Township, Marion County, Indiana, United States. The population was 12,881 at the 2000 census. Speedway is the home of the Indianapolis Motor Speedway, from which the town derives its name, and is a complete enclave of Indianapolis....

. The event lends its name to the IndyCar
IndyCar Series
The IZOD IndyCar Series is the premier level of American open wheel racing. The current championship, founded by Indianapolis Motor Speedway owner Tony George, began in 1996 as a competitor to CART known as the Indy Racing League . Citing CART's increasing reliance on expensive machinery and...

 class
American Championship Car Racing
Since 1916 there has been a recognized United States national automobile racing National Championship for drivers of professional-level, single-seat open wheel race cars. The championship has been under the auspices of several different sanctioning bodies since 1909. Since 1911, the Indianapolis...

, or formula
Formula racing
Formula racing is a term that refers to various forms of open wheeled single seater motorsport. Its origin lies in the nomenclature that was adopted by the FIA for all of its post-World War II single seater regulations, or formulae. The best known of these formulæ are Formula One, Formula Two, and...

, of open-wheel
Open wheel car
Open-wheel car, formula car, or often single-seater car in British English, describes cars with the wheels outside the car's main body and, in most cases, one seat. Open-wheel cars contrast with street cars, sports cars, stock cars, and touring cars, which have their wheels below the body or fenders...

 race cars that have competed in it.

The event, billed as The Greatest Spectacle in Racing, is considered one of the three most significant
Triple Crown of Motorsport
The Triple Crown of Motorsport is an unofficial motorsport achievement, often regarded as winning three of the most prestigious races in the world in one's career:* the Monaco Grand Prix* the 24 Hours of Le Mans* the Indianapolis 500...

 motorsport
Motorsport
Motorsport or motorsports is the group of sports which primarily involve the use of motorized vehicles, whether for racing or non-racing competition...

s events in the world.
 
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