- Who
- Ray Harroun
- What
- 120.06 kilometre(s) per hour
- Where
- United States ()
- When
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.