| Mark | Athlete | School | Year | Meet |
|---|
| 44-04.75 | Zane Johnson | Beaverhead Co./Dillon (A) | 11 | State A |
| 43-02.5 | Logan Lewis | Corvallis (A) | 11 | State A |
| 42-02.25 | Steven Ray | Custer Co./Miles City (A) | 11 | Sidney Invitational |
| 41-10.25 | Sam Menicke | Whitefish (A) | 10 | State A |
| 41-07 | Logan Peila | Custer Co./Miles City (A) | 10 | Sidney Invitational |
| 41-03.5 | Jeffrey Jacobs | Frenchtown (A) | 9 | Jim Johnson Track Meet |
| 41-03.25 | Keith Johnson | Libby (A) | 10 | Nelson-Thomas ABC Meet |
| 41-01 | Logan Kolodejchuk | Columbia Falls (A) | 12 | Archie Roe Invite |
| 41-00 | Jaxon Wittmayer | Laurel (A) | 9 | State A |