| Classification | Dates | Location | Brackets |
|---|---|---|---|
| Class D | July 28-29, 2018 | Grand Forks | Results |
| Rec 1 | August 11-12, 2018 | West Fargo | Results |
| Rec 2 | July 28-29, 2018 | Grand Forks | Results |
| Rec 3 East | August 11-12, 2018 | Jamestown | Results |
| Rec 3 West | August 4-5, 2018 | Bismarck | Results |
| Masters | August 18-19, 2018 | Bismarck | Results |