First Indianapolis 500 winner

According to Official Guinness Records,

Ray Harroun (USA), driving the Marmon Wasp, won the inaugural Indy 500 race, initially named the “International Sweepstakes,” at an average speed of 120.06 km/h (74.602 mph), on 30 May 1911. It is believed that this race marked the first use of a pace car to start a race. It is also believed that Harroun’s Marmon Wasp was the first automobile to use a rearview mirror.

For a complete list of 1911 records, please visit 1911 Guinness Records in United States.

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