| Mark | Athlete | School | Year | Meet |
|---|
| 48-00.5 | Scott Klinker | Great Falls (AA) | 12 | State AA Championship |
| 47-02.25 | Sam Henderson | Butte (AA) | 11 | State AA Championship |
| 46-03.25 | Trystin Chapel | Billings Senior (AA) | 12 | State AA Championship |
| 46-00.25 | Quinn Clark | Gallatin (Bozeman) (AA) | 12 | State AA Championship |
| 45-11.75 | Aayden Simmons | Helena (AA) | 11 | State AA Championship |
| 45-11 | Porter Gibbs | Missoula Big Sky (AA) | 11 | Big Sky-Flathead Dual |
| 45-04 | Oliver Simianer | Missoula Big Sky (AA) | 12 | Big Sky-Flathead Dual |
| 44-08 | Jeremiah Saari | Helena Capital (AA) | 12 | Western AA Divisional |
| 44-02.5 | Cooper Pelc | Glacier (AA) | 9 | Western AA Divisional |
| 43-10 | Boaz McKinney | Billings Skyview (AA) | 11 | Billings Invitational |
| 43-09 | Lex Steckelberg | Gallatin (Bozeman) (AA) | 12 | State AA Championship |
| 43-05.25 | Nicholas Bray | Belgrade (AA) | 11 | Midland Roundtable Top 10 |
| 43-04.5 | Brody Thornsberry | Flathead (AA) | 12 | MCPS Invitational |
| 43-04 | Trey Peterson | Helena (AA) | 10 | Western AA Divisional |
| 43-03 | Oak Sullivan | Bozeman (AA) | 12 | Bozeman Quad |
| 43-02 | Grady Walker | Missoula Sentinel (AA) | 12 | State AA Championship |
| 43-00.5 | Tevin Keller | Billings Senior (AA) | 11 | Gary Benson Border War (WY) |
| 43-00 | Dylan Garcia | Billings West (AA) | 10 | Billings Invitational |
| 42-10 | Jacob Dolezal | Flathead (AA) | 12 | Last Chance Quad |
| 42-06 | Beau Kastner | Belgrade (AA) | 12 | Eastern AA Divisional |
| 42-02.5 | Stephen Riley | Flathead (AA) | 12 | Kalispell Time Trials |
| 42-02-5 | Jayden Bogunovich | Billings West (AA) | 10 | State AA Championship |
| 42-01 | Brantly Salmonsen | Glacier (AA) | 12 | Western AA Divisional |
| 42-00.5 | Jayvyn Gallup | Billings Skyview (AA) | 11 | Eastern AA Divisional |
| 41-11.5 | Carter Bullins | Flathead (AA) | 12 | Western AA Divisional |
| 41-11.5 | Sean Klem | Billings West (AA) | 10 | Swede Dahlberg Invitational |
| 41-08 | Owen Lawson | Billings West (AA) | 10 | Billings Central Invite |
| 41-07.25 | Cohen Andrews | Butte (AA) | 10 | Butte-Skyview Dual |
| 41-07 | Conor Toivonen | Helena Capital (AA) | 11 | Helena Crosstown Meet |
| 41-02.5 | Jack Robinson | Glacier (AA) | 10 | Western AA Divisional |
| 41-02 | Kaleb Schur | Great Falls (AA) | 12 | Flathead-Great Falls Dual |
| 41-01.25 | Rafe Spring | Gallatin (Bozeman) (AA) | 12 | Eastern AA Divisional |
| 41-01 | Elias Bonner | Billings West (AA) | 10 | Billings West Triangular 3/29 |
| 41-00 | Tristan Watson | Great Falls (AA) | 12 | Eastern AA Divisional |