| Mark | Athlete | School | Year | Meet |
|---|
| 9:22.92 | Marshall Beatty | Missoula Sentinel (AA) | 10 | State AA |
| 9:30.67 | Jake Perrin | Flathead (AA) | 11 | State AA |
| 9:34.67 | Sylas Schutt | Flathead (AA) | 12 | Archie Roe Invitational |
| 9:35.55 | Jonathan Eastwood | Belgrade (AA) | 12 | Gallatin Valley Invitational |
| 9:36.67 | Aidan Reed | Helena (AA) | 11 | Western Top 10 Meet |
| 9:46.00 | Chase Equal | Bozeman (AA) | 10 | State AA |
| 9:50.07 | Brock Sandry | Glacier (AA) | 12 | State AA |
| 9:50.07 | Brock Sandry | Glacier (AA) | 12 | State AA |
| 9:53.88 | Riley Collins | Bozeman (AA) | 10 | State AA |
| 9:53.96 | Teagan Olson | Great Falls (AA) | 9 | State AA |
| 9:55.51 | Isaac Schmidt | Missoula Hellgate (AA) | 9 | State AA |
| 9:55.62 | Danny Provo | Missoula Hellgate (AA) | 11 | MCPS Invitational |
| 9:56.33 | Dontae Baker | Helena Capital (AA) | 12 | Swede Dahlberg Invitational |
| 9:57.40 | Caleb Nelson | Billings West (AA) | 10 | Billings West Triangular |
| 9:59.13 | Brendan Tobalske | Missoula Hellgate (AA) | 12 | Archie Roe Invitational |
| 10:00.78 | Jack Puckett | Missoula Hellgate (AA) | 11 | Western AA Divisional |
| 10:01.56 | Carter Gall | Billings Senior (AA) | 11 | Midland Roundtable Top 10 |
| 10:02.62 | Collin Buck | Great Falls CMR (AA) | 11 | Swede Dahlberg Invitational |
| 10:04.25 | Caleb Allen | Bozeman (AA) | 11 | Skor-DeKam Invitational |
| 10:04.46 | Skyler Stark-Ragsdale | Missoula Hellgate (AA) | 11 | Archie Roe Invitational |
| 10:04.55 | Lane Darrow | Flathead (AA) | 11 | Western AA Divisional |
| 10:04.75 | Garrett Beckstead | Billings West (AA) | 10 | State AA |
| 10:07.01 | Jacob Calles | Flathead (AA) | 11 | Libby-Flathead Dual |
| 10:07.88 | Cooper West | Great Falls CMR (AA) | 9 | MCPS Invitational |
| 10:09.83 | Brock Adkins | Glacier (AA) | 10 | Western AA Divisional |
| 10:10.08 | Orrin Clark | Bozeman (AA) | 10 | State AA |
| 10:11.81 | Tevyn Stetson | Glacier (AA) | 10 | Archie Roe Invitational |
| 10:20.47 | Bridger Longtine | Helena Capital (AA) | 10 | Western AA Divisional |
| 10:20.87 | Brennan Worthington | Billings West (AA) | 12 | Billings West Triangular |
| 10:21.33 | Noah Hill | Glacier (AA) | 12 | Flathead-Glacier Dual |
| 10:23.82 | Matt Wilson | Billings Senior (AA) | 9 | Southwestern A Divisional |
| 10:23.86 | Garrett Ruud | Belgrade (AA) | 10 | MCPS Invitational |
| 10:24.06 | Morris Wecker | Missoula Hellgate (AA) | 10 | Archie Roe Invitational |