| Mark | Athlete | School | Year | Meet |
|---|
| 22-08.5 | Scotty Owens | Billings Senior (AA) | | Billings Invitational |
| 22-06 | Taylor Martinson | Billings Central (A) | 12 | State A Track Meet |
| 22-04 | Lee Hardt | Billings West (AA) | | Billings Quadrangular |
| 22-02 | Taylor Firestone | Plains (B) | | Bigfork Invitational |
| 21-11 | Zach Robinson | Billings Senior (AA) | | Billings Quadrangular |
| 21-04.5 | Mike Duncan | Missoula Big Sky (AA) | | Western Montana Top 10 |
| 21-04.25 | Walter Johnson | Columbus (B) | | Red Lodge Snowflake Meet |
| 21-03.5 | Nate Thompson | Columbia Falls (A) | | Northwest A Divisional |
| 21-3.5 | Tanner Roderick | Bozeman (AA) | | Skyview-Bozeman Dual |
| 21-03.25 | Shane Freese | Glacier (AA) | | Western AA Divisional |
| 21-03 | Josh Lords | Stevensville (A) | 11 | Western Montana Top 10 |
| 21-02.75 | Josh Conner | Billings Skyview (AA) | 12 | Midland Top 10 |
| 21-02.5 | Austin Sprenger | Bozeman (AA) | | Billings Invitational |
| 21-02.5 | T. Broyles | Red Lodge (B) | | Red Lodge Snowflake Meet |
| 21-01.5 | Riley Shaw | Fort Benton (C) | | State C Track Meet |
| 21-01 | Tanner Sharbono | Billings West (AA) | 12 | Billings West Quad 4/28 |
| 21-01 | Kyle Griffith | Glacier (AA) | 10 | Western AA Divisional |
| 21-00 | Chase Ballantyne | Shelby (B) | | State B Track Meet |
| 20-11 | Charles Old Chief | Browning (A) | 12 | State A Track Meet |
| 20-11 | Tim Crawford | Simms (C) | | State C Track Meet |
| 20-11 | Dylan Hanser | Billings Central (A) | 10 | Gallatin Valley Invitational |
| 20-10 | Dace Moerkerke | Hamilton (A) | 12 | Southwest A Divisional |
| 20-09.5 | Eric Rydquist | Billings West (AA) | 12 | State AA Track Meet |
| 20-09.5 | Kyle Sibary | Bozeman (AA) | 12 | Skyview-Bozeman Dual |
| 20-08.75 | Cory Orr | Troy (B) | 12 | Bigfork Invitational |
| 20-08.5 | Vasily Lemeza | Missoula Big Sky (AA) | | Western Montana Top 10 |
| 20-08 | Logan Laird | Billings West (AA) | 9 | Billings Quadrangular |
| 20-08 | Austin Bauer | Charlo (C) | | State C Track Meet |
| 20-07.5 | Markie Reiten | Columbia Falls (A) | 12 | Glacier-Columbia Falls Dual |
| 20-07.5 | Tyler Troy | Libby (A) | | Northwest A Divisional |
| 20-07 | Alec Bofinger | Broadview-Lavina (C) | | District 6C |
| 20-06.5 | Tony Marin | Custer (C) | 12 | District 4C |
| 20-06.5 | Jalen Bell | Ronan (A) | 10 | Northwest A Divisional |
| 20-06 | Mike Devlin | Polson (A) | 10 | Gene Hughes Invitational |
| 20-5.50 | Zack Agee | Victor (C) | 9 | Bob Reed Invitational |
| 20-05.25 | Aaron Johnston | Darby (B) | | Gene Hughes Invitational |
| 20-05 | Zach Murphy | Missoula Sentinel (AA) | | Greg Rice City Meet |
| 20-05 | Nick Beauchaine | Bozeman (AA) | 12 | Butte-Bozeman Dual |
| 20-04.75 | Josh Reed | Dawson Co./Glendive (A) | 12 | Jock Stop |
| 20-04.5 | Kyle Hauns | Bigfork (A) | | State B Track Meet |
| 20-04.5 | Eric Rydquist | Billings West (AA) | 12 | Billings West Quad 4/28 |
| 20-04.5 | Kenny Hoeffner | Broadwater/Townsend (B) | 10 | Manhattan Christian Invitational |
| 20-04.5 | Nate Caldwell | Helena (AA) | 12 | Western AA Divisional |
| 20-03 | Brady Olson | Westby-Grenora (C) | | State C Track Meet |