| 3/25/2021 | IMCA Modified, IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car | | Details |
| 4/15/2021 | IMCA Late Models, IMCA Hobby Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | | Hernandez, Wilkinson, Fluckiger, Kaspar, Desive |
| 4/22/2021 | IMCA Late Models, IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car | | Osborne, Prauner, Zentner, Banks, Sukup |
| 4/29/2021 | IMCA Hobby Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | | Mielke, Wilkinson, Hernandez, Kaspar, Uehling |
| 5/6/2021 | IMCA Late Models, IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car | | Dumpert, Banks, Sukup, Prauner, Osborne |
| 5/13/2021 | IMCA Hobby Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | | Hernandez, Betzen, Ware, Pospisil, Uehling |
| 5/20/2021 | IMCA Late Models, IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car | | Rain Out |
| 5/27/2021 | IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car, IMCA RaceSaver Sprint Car | | Rain Out |
| 6/3/2021 | IMCA Late Models, IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car | | Dumpert, Dickes, Sukup, Osborne, Kubicka |
| 6/10/2021 | IMCA Hobby Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | | Wilkinson, Ware, Betzen, Hernandez, Mielke |
| 6/17/2021 | IMCA Late Models, IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car | | Dickes, Dumpert, Svoboda, Osborne, Duncan |
| 6/24/2021 | IMCA Hobby Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | | Rain Out |
| 7/1/2021 | IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car, IMCA RaceSaver Sprint Car | | Wilkinson, Hernandez, Peters, Pospisil, Mielke |
| 7/8/2021 | IMCA Hobby Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | | Kaspar, Wilkinson, Ware, Hernandez, Pospisil |
| 7/15/2021 | IMCA Late Models, IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car | | Prauner, Eickhoff, Dickes, Banks, Dumpert |
| 7/29/2021 | IMCA Hobby Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | | Hernandez, Betzen, Ware, Wilkinson, Kaspar |
| 8/5/2021 | IMCA Late Models, IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car | | Dumpert, Dickes, Svoboda, Osborne, Banks |
| 8/12/2021 | IMCA Hobby Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | | Betzen, Wilkinson, Hernandez, Kaspar, Fluckiger |
| 8/19/2021 | IMCA Late Models, IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car | | Dickes, Zentner, Sukup, Osborne, Banks |
| 8/26/2021 | IMCA Late Models, IMCA Hobby Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | | Dumpert, Svoboda, Osborne, Sukup, Birkley |
| 9/2/2021 | IMCA Hobby Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | | Details |
| 9/17/2021 | MCSA, IMCA Hobby Stock, IMCA Northern SportMod, IMCA Stock Car, IMCA RaceSaver Sprint Car | | Betzen, Ware, Hernandez, Huss, Wilkinson |
| 9/18/2021 | GOTRA, IMCA Late Models, IMCA Hobby Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | | Kraus, Dumpert, Sukup, Kubicka, Veleba |
| 10/2/2021 | GOTRA, MCSA, Modified Lite, 360 Non-Winged Senior Sprints | | Thompson, Triggs, Werkmeister, Doerr, Adamy |
| 10/3/2021 | GOTRA, MCSA, Modified Lite | | Adamy, Wiles, Doerr, Thompson, Orlowski |