| 4/10/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, Kenyon Midgets, A-Class Non Winged Micros, USAC SpeeD2 Thunder Midget Series | | Rain Out |
| 4/13/2021 | Outlaw Winged Micros, Non-Winged Micros, Restricted, Restricted Non Wing, A-Class Winged Micros, Jr Sprint, Senior, Kenyon Midgets, A-Class Non Winged Micros, USAC SpeeD2 Thunder Midget Series, Jr Sprint NW | | No Results |
| 4/17/2021 | Outlaw Winged Micros, Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 4/24/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 5/1/2021 | Outlaw Winged Micros, Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 5/8/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 5/12/2021 | A-Class Non Winged Micros | | No Results |
| 5/13/2021 | A-Class Non Winged Micros | | Results |
| 5/14/2021 | A-Class Non Winged Micros | | Results |
| 5/15/2021 | A-Class Non Winged Micros | | Results |
| 5/22/2021 | Outlaw Winged Micros, Non-Winged Micros, Restricted Non Wing, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 5/29/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros, USAC SpeeD2 Thunder Midget Series | | Results |
| 6/5/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
 | 6/10/2021 | | | Results |
 | 6/11/2021 | | | Results |
 | 6/12/2021 | | | Results |
| 6/19/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 6/25/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Rain Out |
| 6/26/2021 | Outlaw Winged Micros, Non-Winged Micros, Restricted Non Wing, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Rain Out |
| 7/2/2021 | Non-Winged Micros: HART Non-Wing Micro Series Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 7/3/2021 | Non-Winged Micros: HART Non-Wing Micro Series Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 7/10/2021 | Outlaw Winged Micros, Non-Winged Micros, Restricted Non Wing, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 7/16/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Rain Out |
| 7/17/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros, USAC SpeeD2 Thunder Midget Series | | Rain Out |
| 7/24/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 7/31/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 8/6/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 8/7/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 8/14/2021 | Outlaw Winged Micros, Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 8/21/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros, USAC SpeeD2 Thunder Midget Series | | Results |
| 8/27/2021 | Outlaw Winged Micros, Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 8/28/2021 | Outlaw Winged Micros, Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 9/4/2021 | Non-Winged Micros, Restricted Non Wing, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros, Generic 1 | | Results |
| 9/5/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros, Jr Sprint NW | | Results |
| 9/11/2021 | Non-Winged Micros, Restricted Non Wing, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 9/18/2021 | Non-Winged Micros, Restricted Non Wing, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Results |
| 9/25/2021 | Non-Winged Micros, Restricted Non Wing, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros, USAC SpeeD2 Thunder Midget Series | | Details |
| 10/2/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Details |
| 10/9/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, Kenyon Midgets, A-Class Non Winged Micros | | Details |
| 10/16/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Details |
| 10/23/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Details |
| 10/30/2021 | Non-Winged Micros, Restricted, A-Class Winged Micros, Jr Sprint, Senior, A-Class Non Winged Micros | | Details |