| Mark | Athlete | School | Year | Meet |
|---|
| 9:28.62 | Elliot Stimpson | Helena (AA) | 12 | Sentinel/Helena/Belgrade Tri |
| 9:29.24 | Milo Kauffman | Helena (AA) | 10 | Helena Crosstown Meet |
| 9:32.85 | Taylor Neil | Bozeman (AA) | 10 | Billings Invite |
| 9:33.06 | Miles Halvorsen | Bozeman (AA) | 11 | Midland Roundtable Top 10 |
| 9:36.59 | Conrad Schruth | Great Falls (AA) | 12 | Great Falls Crosstown Meet |
| 9:40.36 | Kye McAbee | Billings West (AA) | 11 | Eastern AA Divisional |
| 9:47.74 | Emerson Hamma | Great Falls CMR (AA) | 11 | Great Falls Crosstown Meet |
| 9:47.96 | Miles Joseph Miller | Missoula Hellgate (AA) | 10 | Russ Plicher Western Top 10 |
| 9:49.25 | Gabe Ackerly | Glacier (AA) | 10 | Glacier/Sentinel Dual |
| 9:50.66 | Branlin Foote | Bozeman (AA) | 10 | Billings Invite |
| 9:51.89 | Drake Fricke | Bozeman (AA) | 12 | Billings Invite |
| 9:52.52 | Eamon Fitzgerald | Missoula Hellgate (AA) | 12 | Russ Plicher Western Top 10 |
| 9:52.54 | Garrett Hinderman | Helena (AA) | 11 | Russ Plicher Western Top 10 |
| 9:53.61 | Jude Sparkman | Glacier (AA) | 11 | Glacier/Sentinel Dual |
| 9:53.70 | Kasen Kastner | Flathead (AA) | 12 | Great Falls/Flathead Dual |
| 9:55.34 | Owen Thiel | Glacier (AA) | 11 | Glacier/Sentinel Dual |
| 9:55.43 | Miles Otis-Miller | Missoula Hellgate (AA) | 10 | MCPS Invitational |
| 9:56.08 | Camden Houchin | Butte (AA) | 11 | Last Chance Qualifier |
| 9:56.48 | Noah Miller | Billings Skyview (AA) | 12 | Midland Roundtable Top 10 |
| 9:56.84 | Julius Yeager | Billings West (AA) | 11 | Billings SCAD #2 |
| 9:57.39 | Dylan Hill | Helena (AA) | 11 | Helena Crosstown Meet |
| 9:58.86 | Jacob Posdon | Bozeman (AA) | 10 | Midland Roundtable Top 10 |
| 10:00.75 | Carson Thorne | Flathead (AA) | 9 | Hellgate/Sentinel/Flathead Tri |
| 10:01.32 | Zaiden Reeves | Great Falls (AA) | 11 | Great Falls Crosstown Meet |
| 10:02.21 | Eli Highness | Helena (AA) | 12 | MCPS Invitational |
| 10:03.15 | Ryland Crane | Great Falls (AA) | 10 | Skor Dekam Invite |
| 10:07.03 | Lucas Keith | Billings West (AA) | 11 | Eastern AA Divisional |
| 10:09.00 | Owen Smith | Billings West (AA) | 12 | Midland Roundtable Top 10 |
| 10:09.80 | Marek Frick | Belgrade (AA) | 9 | Eastern AA Divisional |
| 10:10.83 | Isaiah Cowan | Missoula Big Sky (AA) | 12 | Big Sky Quad |
| 10:11.78 | Christopher Holland | Flathead (AA) | 10 | Western AA Divisional |
| 10:14.76 | Brodyn DeShaw | Flathead (AA) | 10 | Hellgate/Sentinel/Flathead Tri |