| Mark | Athlete | School | Year | Meet |
|---|
| 54-03 | Carter Slade | Billings West (AA) | 12 | State AA |
| 51-11 | Brock Field | Missoula Sentinel (AA) | 12 | Flathead-Hellgate-Sentinel |
| 51-09.5 | Jaden Bienvenue | Billings West (AA) | 11 | Billings West Small Schools Meet |
| 49-02 | Brandon Spencer | Missoula Sentinel (AA) | 11 | Glacier v. Sentinel |
| 48-06.5 | Hunter Clark | Great Falls CMR (AA) | 12 | Skyview Tri |
| 48-00 | Nick Konesky | Great Falls CMR (AA) | 12 | CMR vs. Capital Dual |
| 47-08.25 | Hunter Morse | Billings West (AA) | 11 | Billings City Meet |
| 47-07 | Conner Paul | Billings West (AA) | 12 | Swede Dahlberg Invitational |
| 47-06.25 | Spencer Warren | Bozeman (AA) | 12 | State AA |
| 47-04.75 | Tre Krause | Glacier (AA) | 12 | State AA |
| 47-01 | Holden Sampson | Helena (AA) | 12 | State AA |