30 May | Indianapolis Motor Speedway, United States 22nd International 500-Mile Sweepstakes Race | The event has ended. | |
25 Aug | Illinois State Fairgrounds, United States Springfield 100 | The event has ended. | |
9 Sep | Great New York State Fair, United States Syracuse 100 | The event has ended. | |
23 Dec | Mines Field, United States Mines Field Race | The event has ended. |