| 2/21/2021 | | | Canceled |
| 3/6/2021 | Mini Stocks, Valley Sportsman, IMCA Modified, IMCA Northern SportMod | | Canceled |
| 3/13/2021 | Mini Stocks, WRS 305's, Mini Late Models, IMCA Modified | | Canceled |
| 3/27/2021 | IMCA Modifieds, IMCA Sport Mods, Hobby Stocks, Valley Sportsman | | Results |
| 4/2/2021 | Hobby Stocks, Mini Late Models, 410 Sprints - Winged | | Canceled |
| 4/15/2021 | Hobby Stocks, IMCA Stock Car, IMCA Modified, IMCA Northern SportMod | | Details |
 | 4/16/2021 | IMCA Modifieds, IMCA Sport Mods, Hobby Stocks, IMCA Stock Car | | Results |
 | 4/17/2021 | IMCA Modifieds, IMCA Sport Mods, Hobby Stocks, IMCA Stock Car | | Results |
| 4/24/2021 | Midgets: BCRA - Bay Cities Racing Association Hobby Stocks, WRS 305's, BCRA Midget Lites | | Results |
| 5/3/2021 | IMCA Modifieds, IMCA Sport Mods, IMCA Stock Car, IMCA Modified, IMCA Northern SportMod | | Results |
| 5/15/2021 | Hobby Stocks, Mini Stocks, Mini Late Models, 360 Sprints - Non-Winged, IMCA Stock Car | | Results |
| 5/22/2021 | Midgets: BCRA - Bay Cities Racing Association IMCA Modifieds, WRS 305's, BCRA Midget Lites | | Results |
| 6/9/2021 | IMCA Modified, IMCA Northern SportMod | | Canceled |
| 6/10/2021 | | | Canceled |
| 6/18/2021 | Hobby Stocks, IMCA Stock Car, IMCA Modified, IMCA Northern SportMod | | Postponed |
| 6/19/2021 | Hobby Stocks, IMCA Stock Car, IMCA Modified, IMCA Northern SportMod | | Postponed |
| 7/3/2021 | IMCA Sport Mods, Mini Stocks, Valley Sportsman, Mini Late Models, IMCA Stock Car | | Results |
| 7/9/2021 | Midgets: USAC Western Midgets 360 Sprints - Non-Winged: USAC West Coast Sprint Cars IMCA Modifieds, Hobby Stocks, Mini Late Models | | Results |
| 7/24/2021 | Hobby Stocks, Mini Stocks, Valley Sportsman, 360 Sprints - Non-Winged, IMCA Stock Car | | Results |
| 7/31/2021 | 360 Sprints - Winged: Sprint Car Challenge Tour IMCA Sport Mods, Mini Late Models | | Results |
| 8/7/2021 | Midgets: USAC Western Midgets with BCRA - Bay Cities Racing Association 360 Sprints - Non-Winged: USAC West Coast Sprint Cars Hobby Stocks, Mini Late Models, BCRA Midget Lites | | Results |
| 8/14/2021 | IMCA Modifieds, Mini Stocks, Valley Sportsman, Mini Late Models | | Results |
| 8/20/2021 | IMCA Modifieds, IMCA Sport Mods, Hobby Stocks, IMCA Stock Car | | Results |
| 8/21/2021 | IMCA Modifieds, IMCA Sport Mods, Hobby Stocks, IMCA Stock Car | | Results |
| 8/26/2021 | 410 Sprints - Winged: KWS-King of the West Sprints IMCA Sport Mods, Mini Stocks, Mini Late Models | | Results |
| 9/18/2021 | IMCA Modifieds, IMCA Sport Mods, Hobby Stocks, Mini Stocks, Mini Late Models | | Results |
| 10/2/2021 | | | Details |
| 10/8/2021 | Malicious Monster Truck Tour |  | Details |
| 10/9/2021 | Malicious Monster Truck Tour |  | Details |
| 10/22/2021 | Hobby Stocks, IMCA Stock Car, IMCA Modified, IMCA Northern SportMod | | Details |
| 10/23/2021 | Hobby Stocks, IMCA Stock Car, IMCA Modified, IMCA Northern SportMod | | Details |
| 11/23/2021 | Midgets: USAC National Midgets 360 Sprints - Winged | | Details |
| 11/24/2021 | Midgets: USAC National Midgets 360 Sprints - Winged: Sprint Car Challenge Tour | | Details |
| 11/26/2021 | IMCA Modifieds, IMCA Sport Mods, Hobby Stocks, Mini Late Models, IMCA Stock Car | | Details |