| 4/18/2021 | | | Details |
| 4/22/2021 | | | Canceled |
| 4/23/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified | | Canceled |
| 4/24/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified | | Canceled |
| 5/1/2021 | WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified, Rocky Mtn Sprints | | Results |
| 5/8/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified | | Rain Out |
| 5/14/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Late Model, IMCA Modified | | Results |
| 5/15/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Late Model, IMCA Modified | | Results |
| 5/22/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified | | Rain Out |
| 5/29/2021 | WISSOTA Midwest Mods, WISSOTA Street Stock, IMCA Modified, Rocky Mtn Sprints | | Results |
| 6/5/2021 | WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified, Rocky Mtn Sprints | | Results |
| 6/12/2021 | WISSOTA Midwest Mods, WISSOTA Street Stock, IMCA Modified | | Results |
| 6/19/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified | | Rain Out |
| 6/26/2021 | WISSOTA Super Stock, WISSOTA Street Stock, WISSOTA Late Model | | Results |
| 7/3/2021 | WISSOTA Midwest Mods, WISSOTA Street Stock, IMCA Modified, Rocky Mtn Sprints | | Results |
| 7/4/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified | | Results |
| 7/10/2021 | WISSOTA Midwest Mods, WISSOTA Street Stock, IMCA Modified | | Results |
| 7/17/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified | | Results |
| 7/23/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified | | Results |
| 7/24/2021 | WISSOTA Midwest Mods, WISSOTA Street Stock, IMCA Modified | | Results |
| 8/5/2021 | | | Canceled |
| 8/13/2021 | WISSOTA Street Stock, 360 Sprints - Winged, Rocky Mtn Sprints | | Canceled |
| 8/14/2021 | WISSOTA Super Stock, WISSOTA Street Stock, Rocky Mtn Sprints | | Results |
| 8/21/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified | | Rain Out |
| 8/28/2021 | WISSOTA Midwest Mods, WISSOTA Street Stock, IMCA Modified, Rocky Mtn Sprints | | Results |
| 9/3/2021 | WISSOTA Midwest Mods, WISSOTA Street Stock, IMCA Modified | | Results |
| 9/4/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified | | Results |
| 9/5/2021 | WISSOTA Midwest Mods, WISSOTA Super Stock, WISSOTA Street Stock, IMCA Modified | | Results |
| 12/1/2021 | | | Canceled |