| Mark | Athlete | School | Year | Meet |
|---|
| 22-01.75 | Alfred Peterson | Beaverhead Co./Dillon (A) | 12 | Western A Divisionals |
| 21-10 | Zane Johnson | Beaverhead Co./Dillon (A) | 12 | Western A Divisionals |
| 21-08.25 | Jace Klucewich | Frenchtown (A) | 10 | Western Top 10 Meet |
| 21-06 | Cutter Thatcher | Butte Central (A) | 11 | State A |
| 21-05.25 | Joe Byorth | Billings Central (A) | 12 | State A |
| 21-05 | Zach Ingram | Beaverhead Co./Dillon (A) | 12 | Dillon Invite |
| 21-02.5 | Dayron Johnson | Custer Co./Miles City (A) | 11 | Sidney Invitational |
| 21-01 | Ethan Renner | Laurel (A) | 11 | State A |
| 20-10 | Cooper McGlothlin | Sidney (A) | 11 | Sidney Invitational |
| 20-07.5 | Jack Waddell | Park/Livingston (A) | 10 | Park Invitational |
| 20-07.5 | Riley Kostelecky | Sidney (A) | 12 | John Polich Invitational |