The 37th International 500-Mile Sweepstakes was held at the Indianapolis Motor Speedway on Saturday, May 30, 1953. The event was part of the 1953 AAA National Championship, and was race 2 of 9 in the 1953 World Championship of Drivers. Bill Vukovich, after falling just short a year before, dominated the race, leading 195 of the 200 laps. Vukovich won the first of two consecutive "500" victories, finishing more than three minutes ahead of second place Art Cross.
Peter DePaolo was an American racing driver who is remembered as one of the greatest racers of his generation. He won the 1925 Indianapolis 500, and was a two-time National Champion, winning in 1925 and 1927.
The 54th 500 Mile International Sweepstakes was held at the Indianapolis Motor Speedway in Speedway, Indiana on Saturday, May 30, 1970.
The 59th 500 Mile International Sweepstakes was held at the Indianapolis Motor Speedway in Speedway, Indiana on Sunday, May 25, 1975. A. J. Foyt started on the pole position and Bobby Unser won his second Indianapolis 500. Dan Gurney, one of the founders of All American Racers, who finished second as a driver himself in 1968–1969, won his first and only Indy 500 as a car owner. Gurney's Eagle chassis itself scored its third "500" win. The race was part of the 1975 USAC National Championship Trail.
The 7th Liberty 500-Mile Sweepstakes was held at the Indianapolis Motor Speedway on Saturday, May 31, 1919.
The 26th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Monday, May 30, 1938. For 1938, riding mechanics were made optional; however, no teams utilized them in the race. In addition, after seven years, the engine specifications were changed again. The 1930 "Junk" formula was eliminated. Normally aspirated engines were allowed 4.5 liters, and superchargers would be permitted again, with a maximum displacement of 3.0 liters. Any fuel was allowed, which directly affected the race.
The 23rd International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Thursday, May 30, 1935. Despite attempts to improve participant safety by requiring crash helmets and installing green and yellow lights around the track, the event that year would prove to be one of the worst in terms of fatalities.
The 22nd International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on May 30, 1934. The winner was the number seven car driven by Bill Cummings, an Indianapolis native, at an average speed of 104.863 miles per hour. Cummings led for 57 laps total, including the last 26. Of the 33 cars that began the race, only 12 were running at the finish, although there were no crashes resulting in serious injuries. One serious incident involved George Bailey, whose car went over the outside wall, but resulted in only a broken wrist to the driver. The finish was the closest in the history of the race to that point, with second-place finisher Mauri Rose within 100 yards of Cummings at the finish. Rose would also file a protest that Cummings had illegally gained ground during a "slow-down" period following a crash.
The 21st International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Tuesday, May 30, 1933. Louis Meyer defeated Wilbur Shaw by a time of 401.89 seconds. The average speed of the race was 104.162 miles per hour (167.632 km/h) while Bill Cummings achieved the pole position with a speed of 118.521 miles per hour (190.741 km/h). The race was part of the 1933 AAA Championship Car season.
The 20th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Monday, May 30, 1932. Attrition was the story of the race, with 26 of the 40 cars dropping out due to crashes or mechanical failure. A record eight different drivers led laps during the race, with no driver seemingly able to hold the lead without experiencing some sort of trouble. For the third year in a row, Billy Arnold looked as if he would be the dominant car, but he sailed over the turn three wall on lap 59. Rookie Bob Carey also hit the wall while leading. Fred Frame took the lead for good on lap 152, and won from the 27th starting position - the furthest back of any winner except for Ray Harroun in 1911 and later, Louis Meyer in 1936. Frame was accompanied by riding mechanic Jerry Houck.
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 18th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Friday, May 30, 1930. The race was part of the 1930 AAA Championship Car season.
The 17th International 500-Mile Sweepstakes was held at the Indianapolis Motor Speedway on Thursday, May 30, 1929. Ray Keech, who finished fourth a year earlier, took the lead for the final time on lap 158 and won his first Indianapolis 500. Keech won for car owner Maude A. Yagle, the first and to-date, only female winning owner in Indy history. Only two weeks after winning the race, Ray Keech was fatally injured in a crash at Altoona Speedway on June 15, 1929. The race was part of the 1929 AAA Championship Car season.
The 16th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Wednesday, May 30, 1928. This was the first Indianapolis 500 presided over by new Speedway president Eddie Rickenbacker. Rain threatened to wash out the day, but the showers stopped and the race started on time. One brief shower slowed the race around the 400-mile mark, bringing out the yellow flag for a few laps.
The 15th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Monday, May 30, 1927.
The 14th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Monday, May 31, 1926. Louis Chevrolet drove the Chrysler pace car for the start.
The 12th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Friday, May 30, 1924.
The 8th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Monday, May 31, 1920.
The 1925 Grand Prix season was the first year for the new AIACR World Manufacturers' Championship season. The championship was won by Alfa Romeo, with its P2 model.
The Champion Spark Plug 100 Mile an Hour Club was a group formed to honor drivers who completed the Indianapolis 500 at an average speed of 100 miles per hour or faster. It was formed in 1935, and continued to be recognized through 1969. It was sponsored by Champion Spark Plugs, and was the brainchild of M.C. deWitt, the company's advertising manager. During its heyday, it was considered one of the most prestigious honors in motorsports, and membership was highly sought after by drivers.
