| 4/17/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 4/24/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Canceled |
| 5/1/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 5/8/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 5/15/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 5/22/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 5/29/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 6/5/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 6/12/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 6/19/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 6/25/2021 | IMCA Sport Mods by DCM Supply, IMCA Stock Cars by Woodie's Manufacturing, IMCA Modifieds by ABC Seamless, Expert Insulation IMCA Modifieds, IMCA Sport Mods | | Results |
| 6/26/2021 | IMCA Modifieds by ABC Seamless: Land of Ten Thousand Lakes 10K IMCA Sport Mods by DCM Supply, IMCA Stock Cars by Woodie's Manufacturing, Expert Insulation IMCA Modifieds, IMCA Sport Mods | | Results |
| 7/10/2021 | Vintage Modifieds: Northern Vintage Stockcar Racers WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Vintage Full Body Stock Cars, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 7/17/2021 | IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 7/24/2021 | IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 7/31/2021 | IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Micro Sprints, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 8/7/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Rain Out |
| 8/14/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 8/21/2021 | Vintage Modifieds: Northern Vintage Stockcar Racers WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Vintage Full Body Stock Cars, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 8/28/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Rain Out |
| 9/4/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Micro Sprints, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |
| 9/5/2021 | WISSOTA Super Stock by Auto Value of Brainerd, IMCA Stock Cars by Woodie's Manufacturing, WISSOTA Mod Four by Erlandson Epoxy, Micro Sprints, Expert Insulation IMCA Modifieds, IMCA Sport Mods, Seidel Tire & Auto IMCA Hobby Stocks, Kohl's Performance IMCA Sport Compacts | | Results |