1970 Indianapolis 500 1970 Indianapolis 500 The 54th 500 Mile International Sweepstakes was held at the Indianapolis Motor Speedway in Speedway, Indiana on Saturday, May 30, 1970. Al Unser, Sr. dominated the race, winning the pole position and leading 190 laps en route to victory. He joined his brother Bobby as the first duo of brothers to win the Indianapolis 500. It was the first of four victories for Al at Indianapolis. Car owner Parnelli Jones, who won the race as a driver in 1963, became the second individual (after Pete DePaolo) to win separately as both a driver and as an owner.
1997 Indianapolis 500 sanctioning the IRL and Indy 500, in favor of in-house officiating. The win by Arie Luyendyk marked the milestone 50th Indianapolis 500 victory for Firestone. It was Luyendyk's second Indy victory (he also won in 1990), as well as Scott Goodyear's second runner-up finish (1992). It was the third time in his career that Goodyear narrowly lost the Indy 500 in the closing stages. Luyendyk became the first driver since A. J. Foyt to win the race with both a turbocharged and a normally-aspirated engine. The 1997 race utilized the traditional three week / four weekend schedule that had been