| Mark | Athlete | School | Year | Meet |
|---|
| 9:16.59 | Chase Equall | Bozeman (AA) | 12 | Eastern AA Divisional |
| 9:17.88 | Ben Perrin | Flathead (AA) | 10 | Western AA Divisional |
| 9:27.61 | Marshall Beatty | Missoula Sentinel (AA) | 12 | Western AA Divisional |
| 9:28.90 | Riley Collins | Bozeman (AA) | 12 | Skyview Quad Senior, Bozeman, Skyview |
| 9:29.09 | Cooper West | Great Falls CMR (AA) | 11 | Eastern AA Divisional |
| 9:29.72 | Dawson LaRance | Billings Senior (AA) | 12 | SkorDeKam Invitational |
| 9:33.00 | Morris Wecker | Missoula Hellgate (AA) | 12 | Archie Roe |
| 9:36.00 | Isaac Schmidt | Missoula Hellgate (AA) | 11 | Archie Roe |
| 9:46.13 | Teagan Olson | Great Falls (AA) | 11 | Eastern AA Divisional |
| 9:47.37 | Leonard McComas | Bozeman (AA) | 11 | Swede Dahlberg Invitational |
| 9:47.38 | Duncan Hamilton Jr | Bozeman (AA) | 11 | Swede Dahlberg Invitational |
| 9:53.42 | Braden Stremcha | Great Falls CMR (AA) | 11 | Eastern AA Divisional |
| 9:56.08 | Sawyer Degan | Belgrade (AA) | 12 | State A |
| 9:56.44 | Orrin Clark | Bozeman (AA) | 12 | Midland Roundtable Top Ten |
| 9:56.71 | Peder Rickbeil | Billings Senior (AA) | 12 | Eastern AA Divisional |
| 9:58.22 | Gordon Gentry | Great Falls CMR (AA) | 10 | Eastern AA Divisional |
| 10:02.98 | Simon Hill | Glacier (AA) | 9 | Western AA Divisional |
| 10:05.32 | Ian Curtis | Missoula Hellgate (AA) | 9 | Western AA Divisional |
| 10:07.11 | Bridger Longtine | Helena Capital (AA) | 12 | Western AA Divisional |
| 10:09.02 | Finn Bentler | Billings Senior (AA) | 9 | Eastern AA Divisional |
| 10:09.85 | Adam Barrie | Billings West (AA) | 12 | Eastern AA Divisional |