| Mark | Athlete | School | Year | Meet |
|---|
| 9:19.39 | Sam Ells | Glacier (AA) | 12 | Western AA Divisional |
| 9:27.07 | Weston Brown | Bozeman (AA) | 11 | State AA |
| 9:32.70 | Finneas Colescott | Missoula Hellgate (AA) | 11 | Russ Plicher Top 10 |
| 9:36.06 | Ryan Harrington | Great Falls (AA) | 10 | State AA |
| 9:39.10 | Carson Steckelberg | Gallatin (Bozeman) (AA) | 11 | State AA |
| 9:41.58 | Tanner Klumph | Missoula Sentinel (AA) | 12 | State AA |
| 9:45.49 | MacGwyer Palmer | Great Falls (AA) | 11 | Great Falls Crosstown Dual |
| 9:51.95 | Samuel Nash | Belgrade (AA) | 12 | Midland Roundtable Top 10 |
| 9:54.05 | Connor Neil | Bozeman (AA) | 12 | Midland Roundtable Top 10 |
| 9:54.12 | Gabe Felton | Flathead (AA) | 12 | Western AA Divisional |
| 9:54.28 | Jaxon Straus | Billings West (AA) | 11 | Billings West-Senior Dual |
| 9:55.49 | Mason Moler | Billings West (AA) | 10 | Billings West-Senior Dual |
| 9:55.80 | Chase Green | Missoula Sentinel (AA) | 12 | Big Sky-Sentinel-Helena Tri |
| 9:57.93 | Jackson Triepke | Missoula Hellgate (AA) | 12 | Greg Rice City Meet |
| 9:58.12 | Wilson Derry | Missoula Hellgate (AA) | 10 | Russ Plicher Top 10 |
| 9:58.51 | Jacob Sriraman | Missoula Sentinel (AA) | 12 | Greg Rice City Meet |
| 9:58.70 | Kenyon Popiel | Bozeman (AA) | 11 | Midland Roundtable Top 10 |
| 9:58.72 | Brody Romano | Helena Capital (AA) | 11 | Western AA Divisional |
| 10:02.19 | Henry Sund | Helena (AA) | 9 | Western AA Divisional |
| 10:07.64 | Ian Gentry | Bozeman (AA) | 10 | Midland Roundtable Top 10 |
| 10:08.24 | Micah Abrams | Billings West (AA) | 12 | Eastern AA Divisional |
| 10:11.73 | Conrad Schruth | Great Falls (AA) | 9 | Great Falls Crosstown Dual |
| 10:12.01 | Tyler Inabnit | Missoula Sentinel (AA) | 9 | Greg Rice City Meet |
| 10:12.51 | Wyatt May | Bozeman (AA) | 12 | Eastern AA Divisional |
| 10:14.72 | Quinn Newman | Missoula Sentinel (AA) | 10 | Greg Rice City Meet |