| Mark | Athlete | School | Year | Meet |
|---|
| 21.59 | Ryan Dierenfield | Billings Skyview (AA) | 11 | Eastern AA Divisional |
| 21.60 | Jackson Tarver | Great Falls CMR (AA) | 12 | CMR-Capital Dual |
| 21.67 | Malaki Simpson | Columbia Falls (A) | 12 | State A Championship |
| 21.71 | Ben Bliven | Flathead (AA) | 11 | State AA Championship |
| 22.01 | Kohbe Smith | Dawson Co./Glendive (A) | 12 | Glendive Shriners Invitational |
| 22.03 | Nash Coley | Gallatin (Bozeman) (AA) | 12 | Eastern AA Divisionals |
| 22.08 | Brody Thornsberry | Flathead (AA) | 12 | State AA Championship |
| 22.17 | Ryan LaMere | Billings Senior (AA) | 12 | Eastern AA Divisional |
| 22.21 | Titus Sykes | Bozeman (AA) | 12 | Eastern AA Divisional |
| 22.21 | Osker Patterson | Gallatin (Bozeman) (AA) | 12 | Eastern AA Divisionals |
| 22.21 | Derek Criddle | Corvallis (A) | 12 | State A Championship |
| 22.24 | Brayden Kimberling | Havre (A) | 12 | State A Championship |
| 22.30 | Caleb Conver | Billings West (AA) | 11 | Eastern AA Divisional |
| 22.30 | Charlie Babcock | Billings West (AA) | 11 | Billings West Triangular 4/5 |
| 22.40 | Hudson Lembke | Missoula Sentinel (AA) | 12 | Russ Plicher Western Top 10 |
| 22.43 | Ethan Anderson | Glacier (AA) | 11 | Archie Roe Invitational |
| 22.45 | William Hollensteiner | Flathead (AA) | 10 | Last Chance Quad |
| 22.46 | Miles Wells | Hardin (A) | 12 | State A Championship |
| 22.46 | Drew Almquist | Helena Capital (AA) | 9 | Helena Small Schools Meet |
| 22.49 | Tanner Schwend | Laurel (A) | 12 | State A Championship |
| 22.50 | Tytus Palma | Loyola Sacred Heart (B) | 12 | Western B Divisional |
| 22.50 | Cooper Nelson | Helena Capital (AA) | 11 | CMR-Capital Dual |
| 22.50 | Kai Golan | Columbia Falls (A) | 12 | State A Championship |
| 22.54 | Jacob Dolezal | Flathead (AA) | 12 | Last Chance Quad |
| 22.56 | Benedikt Syrbe | Chester-Joplin-Inverness (C) | 11 | Havre Lions' Invitational |
| 22.60 | Wilson Schmidt | Belgrade (AA) | 10 | Eastern AA Divisionals |
| 22.61 | Kash Goicoechea | Glacier (AA) | 12 | Western AA Divisionals |
| 22.61 | Isaac Bates | Florence-Carlton (B) | 11 | Western B Divisional |
| 22.62 | Solomon Morgan | Corvallis (A) | 11 | Corvallis Quad |
| 22.63 | Luke Ruch | Helena (AA) | 11 | Western AA Divisional |
| 22.64 | Terran Joseph | Lustre Christian (C) | 12 | State C Championship |
| 22.64 | Carson Krack | Whitefish (A) | 12 | Sapphire Twilight Meet |
| 22.66 | Cole Zeigler | Missoula Hellgate (AA) | 11 | Greg Rice City Meet |
| 22.67 | Jacob Paugh | Missoula Big Sky (AA) | 12 | MCPS Invitational |
| 22.71 | Lucas Kadillak | Bozeman (AA) | 11 | Eastern AA Divisional |
| 22.76 | Keith Applebee | Bozeman (AA) | 12 | Eastern AA Divisional |
| 22.79 | Romulus Hiner | Harlowton-Ryegate-Judith Gap (C) | 12 | State C Championship |
| 22.79 | Lance Baumgart | Helena Capital (AA) | 12 | CMR-Capital Dual |
| 22.80 | Bodie Donsbach | Roy-Winifred (C) | 12 | State C Championship |
| 22.83 | Owen Reynolds | Red Lodge (B) | 12 | State B Championship |
| 22.83 | William Snell | Billings Central (A) | 10 | Gold Strike Invitational |
| 22.84 | Aidan Johnson | Billings West (AA) | 12 | Eastern AA Divisionals |
| 22.85 | Rueso Batterman | Butte (AA) | 12 | Swede Dahlberg Invitational |
| 22.89 | Mason Dethman | Froid-Medicine Lake (C) | 12 | State C Championship |
| 22.89 | Jaiden Robinson | Red Lodge (B) | 12 | State B Championship |
| 22.90 | Chase Cook | Red Lodge (B) | 11 | Al Walker Memorial Meet |
| 22.92 | Merek Mihelish | Helena Capital (AA) | 11 | Helena Small Schools Meet |
| 22.92 | Calvin Paczkowski | Billings West (AA) | 10 | Billings West Meet 4/23 |
| 22.94 | Michael Emge | Havre (A) | 12 | Cal Wearley Memorial Meet |
| 22.95 | Caiden Sekuterski | Cascade (C) | 12 | Havre Lions' Invitational |
| 22.99 | Oak Sullivan | Bozeman (AA) | 12 | Bozeman Quad |
| 23.00 | Blaine Downing | Saco (C) | 11 | State C Championship |
| 23.03 | Carter Dahlke | Gallatin (Bozeman) (AA) | 10 | Gallatin-CMR Dual |
| 23.03 | River Wasson | Great Falls CMR (AA) | 12 | Eastern AA Divisional |
| 23.04 | Peyton Nelson | Helena Capital (AA) | 12 | Capital-Butte Dual |
| 23.04 | Christian Alexander | Billings West (AA) | 10 | Eastern AA Divisional |
| 23.07 | Pacer Lybbert | Helena (AA) | 10 | Skor Dekam Invitational |
| 23.09 | Christian Heck | Gallatin (Bozeman) (AA) | 12 | Eastern AA Divisional |
| 23.10 | Brayden McCoy | Valley Christian (C) | 11 | Western C Divisional |
| 23.11 | Cameron McAllister | Laurel (A) | 12 | Gold Strike Invitational |
| 23.11 | Brody Galle | Anaconda (B) | 10 | Western B Divisional |
| 23.11 | Nathan Tuinstra | Valley Christian (C) | 12 | Western C Divisional |
| 23.13 | Harrison Banderob | Billings Senior (AA) | 11 | Eastern AA Divisional |
| 23.13 | Layne Phillips | Beaverhead Co./Dillon (A) | 11 | State A Championship |
| 23.14 | Beck Whicker | Custer Co./Miles City (A) | 11 | Glendive Shriners Invitational |
| 23.15 | Ryan Martinie | Helena Capital (AA) | 11 | CMR-Capital Dual |
| 23.18 | Steele Harris | Great Falls (AA) | 9 | Skor Dekam Invitational |
| 23.18 | Ethan DeLeon | Billings Senior (AA) | 10 | Eastern AA Divisional |
| 23.19 | Kale Konecny | Billings Senior (AA) | 11 | Eastern AA Divisional |
| 23.19 | Ulrich Warner | Glacier (AA) | 11 | Archie Roe Invitational |
| 23.19 | Gage Hallock | Scobey (C) | 12 | State C Championship |