| Mark | Athlete | School | Year | Meet |
|---|
| 22.07 | Malikye Simpson | Billings Senior (AA) | 11 | Senior/Skyview Dual |
| 22.24 | Tanner Huff | Butte (AA) | 12 | State AA |
| 22.29 | Taco Dowler | Billings West (AA) | 11 | Eastern AA Divisional |
| 22.33 | Evan Major | Belgrade (AA) | 11 | Bozeman-Belgrade Dual |
| 22.68 | Tanner Macy | Billings Senior (AA) | 10 | Eastern AA Divisional |
| 22.76 | Bret Morris | Helena Capital (AA) | 12 | Glacier-Capital Dual |
| 22.80 | Joseph Ceccacci | Missoula Sentinel (AA) | 11 | Western AA Divisional |
| 22.80 | Clint Ambuehl | Billings West (AA) | 12 | Billings West-Bozeman Dual |
| 22.86 | Zach Merrifield | Butte (AA) | 12 | Western AA Divisional |
| 22.86 | Noah Dahlke | Gallatin (Bozeman) (AA) | 11 | Gallatin-Billings Senior Dual |
| 22.89 | Reed Harris | Great Falls (AA) | 10 | Billings West-Great Falls Dual |
| 22.98 | Thomas Carter | Helena Capital (AA) | 10 | Helena Crosstown Dual |
| 22.98 | Kade Olson | Missoula Big Sky (AA) | 12 | Butte-Big Sky Dual |
| 23.03 | Neil Daily | Billings West (AA) | 12 | Skyview-West Dual |
| 23.05 | Christian Vetter | Butte (AA) | 12 | Capital-Butte Dual |
| 23.08 | Ryan Neil | Butte (AA) | 12 | State AA |
| 23.10 | Jace Klucewich | Missoula Sentinel (AA) | 12 | Glacier-Sentinel Dual |
| 23.11 | Nate Prieto | Flathead (AA) | 11 | Western Top 10 |
| 23.16 | Daniel Botti-Anderson | Great Falls CMR (AA) | 12 | Great Falls Crosstown Dual |
| 23.16 | Easton Leadbetter | Helena Capital (AA) | 11 | Western AA Divisional |
| 23.17 | Christian Hansen | Butte (AA) | 12 | Western AA Divisional |
| 23.17 | Dilen Barington-Miller | Billings Skyview (AA) | 11 | Eastern AA Divisional |