| Classification | Dates | Location | Brackets |
|---|---|---|---|
| Class C/Open | August 21-22, 2021 | Mandan | |
| Class D | August 21-22, 2021 | Mandan | |
| Rec 1 | August 7-8, 2021 | Bismarck | |
| Rec 2 | August 14-15, 2021 | Grand Forks | |
| Rec 3 East | August 21-22, 2021 | Jamestown | |
| Rec 3 West | August 7-8, 2021 | Bismarck | |
| Rec 4 East (new in 2021) | August 14-15, 2021 | Grand Forks | |
| Rec 4 West (new in 2021) | August 21-22, 2021 | Mandan | |
| Masters 30 | July 31-August 1, 2021 | Jamestown |