First race is held at the Indianapolis Motor Speedway

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On August 19, 1909, the first race is held at the Indianapolis Motor Speedway, now the home of the world’s most famous motor racing competition, the Indianapolis 500.

Built on 328 acres of farmland five miles northwest of Indianapolis, Indiana, the speedway was started by local businessmen as a testing facility for Indiana’s growing automobile industry. The idea was that occasional races at the track would pit cars from different manufacturers against each other. After seeing what these cars could do, spectators would presumably head down to the showroom of their choice to get a closer look.

The rectangular two-and-a-half-mile track linked four turns, each exactly 440 yards from start to finish, by two long and two short straight sections. In that first five-mile race on August 19, 1909, 12,000 spectators watched Austrian engineer Louis Schwitzer win with an average speed of 57.4 miles per hour. The track’s surface of crushed rock and tar proved a disaster, breaking up in a number of places and causing the deaths of two drivers, two mechanics and two spectators.

The surface was soon replaced with 3.2 million paving bricks, laid in a bed of sand and fixed with mortar. Dubbed “The Brickyard,” the speedway reopened in December 1909. In 1911, low attendance led the track’s owners to make a crucial decision: Instead of shorter races, they resolved to focus on a single, longer event each year, for a much larger prize. That May 30 marked the debut of the Indy 500–a grueling 500-mile race that was an immediate hit with audiences and drew press attention from all over the country. Driver Ray Haroun won the purse of $14,250, with an average speed of 74.59 mph and a total time of 6 hours and 42 minutes.