May 31 – Bobby Rahal Wins Indianapolis 500

The 70th Indianapolis 500 was held at the Indianapolis Motor Speedway in Speedway, Indiana on Saturday, May 31, 1986. After being rained out on May 25–26, the race was rescheduled for the following weekend. Bobby Rahal was the winner, becoming the first driver in Indy history to complete the 500 miles (800 km) in less than three hours.