1977 Indianapolis 500 1977 Indianapolis 500 The 61st International 500 Mile Sweepstakes was held at the Indianapolis Motor Speedway in Speedway, Indiana on Sunday, May 29, 1977. Considered one of the most historically significant editions of the Indianapolis 500, several sidebar stories complemented the unprecedented accomplishment of race winner A. J. Foyt. Foyt became the first driver to win the Indianapolis 500 four times. As of 2017, Foyt's record has been tied by Al Unser Sr. and Rick Mears, but still stands as an Indy record. Foyt's victory is also the last time the winning car (both chassis and engine) was built entirely
1931 Indianapolis 500 1931 Indianapolis 500 The 19th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Saturday, May 30, 1931. Race winner Louis Schneider, who led the final 34 laps, was accompanied by riding mechanic Jigger Johnson. The start of the race was delayed two hours due to rain. Defending race winner Billy Arnold charged from 18th starting position to lead the race by lap 7. Arnold, who had dominated the 1930 race (led 198 laps), proceeded to lead the next 155 laps, and built up a five-lap lead over second place. His rear axle broke on lap 162.