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 Indianapolis Motor Speedway is a motor racing circuit located in Speedway, Indiana, an enclave suburb of Indianapolis, Indiana. It is the home of the Indianapolis 500 and the Brickyard 400 and formerly the home of the United States Grand Prix and Indianapolis motorcycle Grand Prix. It is located six miles (9.7 km) west of Downtown Indianapolis.