The Harvest Auto Racing Classic was a series of three automobile races held at the Indianapolis Motor Speedway on Saturday September 9, 1916. The meet, held four months after the 1916 Indianapolis 500, featured a 20-mile race, a 50-mile race, and a 100-mile race. The main event, a 100-mile Championship Car race, paid points towards the 1916 AAA National Championship. Johnny Aitken won all three races, two of which had a margin of victory of less than a car length.

The 7th Liberty 500-Mile Sweepstakes was held at the Indianapolis Motor Speedway on Saturday, May 31, 1919.