| Mark | Athlete | School | Year | Meet |
|---|
| 44-01 | Ethan Stack | Loyola Sacred Heart (B) | 12 | Gallatin Valley Invite |
| 43-01.5 | Brady Olson | Three Forks (B) | 11 | Al Walker Memorial Meet |
| 42-10 | Jack Clevenger | Loyola Sacred Heart (B) | 12 | Gallatin Valley Invite |
| 42-03 | Mason Titeca | Sweet Grass Co./Big Timber (B) | 11 | Al Walker Memorial Meet |
| 41-7.75 | Carson Nissen | Chinook (B) | 12 | Northern B Divisional |
| 41-07.25 | Jim Tew | Broadwater/Townsend (B) | 10 | 5B/12C District Meet |
| 41-06.5 | Brodie Carper | Fairfield (B) | 10 | Mustang Invite |
| 41-06 | Karson Thomas | Choteau (B) | 12 | Northern B Divisional |
| 41-05 | Tucker Huckaba | Whitehall (B) | 11 | John Cheek Top 8 Track Meet |
| 41-05 | Kaniel Ricker | Poplar (B) | 12 | Northern B Divisional |
| 41-02.5 | Owen Oliver | Loyola Sacred Heart (B) | 10 | Whitefish ARM Invitational |
| 41-02 | Ryder Anderson | Anaconda (B) | 9 | Western B/C Divisional |