| Mark | Athlete | School | Year | Meet |
|---|
| 22-03 | Avery Stiles | Jefferson/Boulder (B) | 11 | State B |
| 22-01 | Ry Olson | Joliet (B) | 12 | Park City/Harlowton Invitational |
| 21-04 | Ryan Tirrell | Loyola Sacred Heart (B) | 12 | Western Top 10 Meet |
| 21-02.25 | Cooper Waters | Loyola Sacred Heart (B) | 12 | State B |
| 21-01.25 | Gordon McMillion | Loyola Sacred Heart (B) | 10 | State B |
| 21-00 | Gavin Mills | Fairfield (B) | 10 | 10-C Preview Meet |
| 20-11.25 | Payden Lynn | Three Forks (B) | 12 | Manhattan Christian Invitational |
| 20-11 | Chris Hust | Huntley Project (B) | 12 | Billings Senior Tuesday Meet #2 |
| 20-09.5 | Noah Bouchard | Huntley Project (B) | 10 | State B |
| 20-08.75 | Cade Briggs | Whitehall (B) | 12 | Manhattan Christian Invitational |
| 20-06.75 | Keeley Bake | Fairfield (B) | 11 | Choteau Acantha Invitational |