| Mark | Athlete | School | Year | Meet |
|---|
| 1:53.82 | Keagen Crosby | Missoula Sentinel (AA) | 11 | State AA |
| 1:54.45 | Sam Ells | Glacier (AA) | 12 | State AA |
| 1:55.54 | Nathan Neil | Bozeman (AA) | 10 | Eastern AA Divisional |
| 1:56.20 | Colin Shaules | Missoula Sentinel (AA) | 12 | State AA |
| 1:56.61 | Weston Brown | Bozeman (AA) | 11 | Eastern AA Divisional |
| 1:57.98 | Henry Ballinger | Helena Capital (AA) | 11 | Capital-Hellgate Dual |
| 1:58.00 | Daniel Wiltse | Missoula Hellgate (AA) | 11 | State AA |
| 1:58.12 | Luke Sullivan | Helena Capital (AA) | 12 | Skor DeKam Invite |
| 1:58.80 | Aaron French | Helena (AA) | 10 | State AA |
| 1:58.82 | Seth Petsch | Billings West (AA) | 12 | State AA |
| 1:59.74 | Peter Rehberger | Gallatin (Bozeman) (AA) | 12 | Skor DeKam Invite |
| 1:59.76 | Kesler Hughes | Flathead (AA) | 12 | Western AA Divisional |
| 2:00.16 | Tyler Jost | Helena Capital (AA) | 12 | Western AA Divisional |
| 2:00.40 | Finneas Colescott | Missoula Hellgate (AA) | 11 | Western AA Divisional |
| 2:00.67 | Tyler Avery | Glacier (AA) | 11 | Russ Plicher Top 10 |
| 2:00.70 | Jackson Triepke | Missoula Hellgate (AA) | 12 | Western AA Divisional |
| 2:00.84 | Rex Hamling | Bozeman (AA) | 12 | Butte-Bozeman-Gallatin Tri |
| 2:00.86 | Ridley Key | Missoula Hellgate (AA) | 9 | Western AA Divisional |
| 2:01.14 | Ryan Harrington | Great Falls (AA) | 10 | Great Falls Crosstown Dual |
| 2:01.66 | Gus Tehle | Great Falls (AA) | 12 | Great Falls Crosstown Dual |
| 2:01.69 | Jaxon Straus | Billings West (AA) | 11 | Billings West-Bozeman Dual |
| 2:01.70 | Ben Shaules | Missoula Sentinel (AA) | 9 | Western AA Divisional |
| 2:02.01 | Ian Harrison | Missoula Sentinel (AA) | 11 | Western AA Divisional |
| 2:02.13 | Connor Neil | Bozeman (AA) | 12 | Eastern AA Divisional |
| 2:02.15 | Gabe Felton | Flathead (AA) | 12 | Flathead-Hellgate-Sentinel Tri |
| 2:02.46 | Jacob Curry | Helena Capital (AA) | 12 | Helena Crosstown Dual |
| 2:02.61 | Brady Sheldon | Billings West (AA) | 10 | Billings West-Bozeman Dual |
| 2:02.66 | Thomas Hicks | Gallatin (Bozeman) (AA) | 11 | Midland Roundtable Top 10 |
| 2:02.84 | Carson DesRosier | Helena Capital (AA) | | Western AA Divisional |
| 2:03.37 | Samuel Nash | Belgrade (AA) | 12 | Last Chance Qualifier |