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.
1914 Indianapolis 500 Ray Harroun, who had won the inaugural Indianapolis 500 in 1911, designed the Maxwell car, and was given $10,000 () by the company's president as a reward for the cars qualifying with sub-1:37 times. By the end of the second day, 21 drivers had completed speed trials, and all but DePalma and Eddie Pullen had times below 1:45. Hughie Hughes's car suffered a broken crank case, preventing him from being able to set a qualifying time. On the final day of the trials, DePalma managed to make significant improvements in his Mercedes, and qualified with the twentieth fastest time overall,