| Mark | Athlete | School | Year | Meet |
|---|
| 21.87 | Reed Harris | Great Falls (AA) | 12 | State AA Championship |
| 21.87 | Carter White | Frenchtown (A) | 12 | State A Championship |
| 21.95 | Malaki Simpson | Columbia Falls (A) | 11 | State A Championship |
| 21.96 | Tanner Macy | Billings Senior (AA) | 12 | State AA Championship |
| 22.08 | Nash Coley | Gallatin (Bozeman) (AA) | 11 | Bozeman Triangular |
| 22.11 | Owen Hoag | Seeley-Swan (C) | 12 | MCPS Invite |
| 22.16 | Thomas Carter | Helena Capital (AA) | 12 | Capital-CMR Dual |
| 22.19 | Solomon Morgan | Corvallis (A) | 10 | Ravalli County Invitational |
| 22.22 | Jared Felten | Billings Senior (AA) | 12 | State AA Championship |
| 22.26 | Cameron McAllister | Laurel (A) | 11 | Midland Roundtable Top 10 |
| 22.27 | Karsen Beitz | Missoula Sentinel (AA) | 12 | State AA Championship |
| 22.33 | Treyton Graham | Beaverhead Co./Dillon (A) | 12 | East Helena Invite |
| 22.38 | Dawson Sweat | Broadwater/Townsend (B) | 12 | State B Championship |
| 22.42 | Kohbe Smith | Dawson Co./Glendive (A) | 11 | Eastern A Divisional |
| 22.48 | Jeff Lillard | Glacier (AA) | 12 | State AA Championship |
| 22.49 | William Wagner | Florence-Carlton (B) | 12 | State B Championship |
| 22.53 | William Hollensteiner | Flathead (AA) | 9 | Western AA Divisional |
| 22.53 | Gideon Boswell | Corvallis (A) | 10 | State A Championship |
| 22.55 | Kaeden Sager | East Helena (A) | 12 | Russ Plicher Top 10 |
| 22.56 | Ryan Dierenfield | Billings Skyview (AA) | 10 | Eastern AA Divisional |
| 22.57 | Brinkley Evans | Conrad (B) | 12 | State B Championship |
| 22.58 | Brenden Fetter | Chinook (B) | 12 | State C Championship |
| 22.62 | Jackson Tarver | Great Falls CMR (AA) | 11 | Eastern AA Divisional |
| 22.64 | Aayden Simmons | Helena (AA) | 10 | Helena Crosstown Meet |
| 22.64 | Kade Boyd | Billings Central (A) | 12 | Midland Roundtable Top 10 |
| 22.67 | Clay Oven | Billings Central (A) | 12 | Park High Class A Meet |
| 22.67 | Lance Baumgart | Helena Capital (AA) | 11 | State AA Championship |
| 22.72 | Tanner Schwend | Laurel (A) | 11 | Eastern A Divisional |
| 22.72 | Oak Sullivan | Bozeman (AA) | 11 | Bozeman-West Dual |
| 22.73 | Brayden Kimberling | Havre (A) | 11 | Eastern A Divisional |
| 22.77 | Miles Wells | Hardin (A) | 11 | Park High Class A Meet |
| 22.77 | Eli Nourse | Beaverhead Co./Dillon (A) | 12 | Western A Divisional |
| 22.80 | Luke Ruch | Helena (AA) | 10 | State AA Championship |
| 22.80 | Anthony Ramirez | Billings West (AA) | 10 | Bozeman-West Dual |
| 22.81 | Osker Patterson | Gallatin (Bozeman) (AA) | 11 | Eastern AA Divisional |
| 22.81 | Max Cianflone | Hamilton (A) | 12 | State A Championship |
| 22.82 | Hayden Opitz | Helena Capital (AA) | 12 | Helena Crosstown Meet |
| 22.86 | Tytus Palma | Loyola Sacred Heart (B) | 11 | State B Championship |
| 22.89 | Luca Dombrowski | Loyola Sacred Heart (B) | 12 | Russ Plicher Top 10 |
| 22.89 | Evan Barnes | Glacier (AA) | 11 | Western AA Divisional |
| 22.92 | William Martin | Darby (B) | 12 | State C Championship |
| 22.93 | Gabe Galle | Anaconda (B) | 12 | State B Championship |
| 22.94 | Jackson Whicker | Custer Co./Miles City (A) | 12 | Sidney Invitational |
| 22.94 | James Byron | Helena Capital (AA) | 11 | State AA Championship |
| 22.94 | Ryal Evans | Helena Capital (AA) | 11 | Helena Crosstown Meet |
| 22.99 | Merek Mihelish | Helena Capital (AA) | 10 | Capital-CMR Dual |
| 23.02 | Mason Dethman | Froid-Medicine Lake (C) | 11 | State C Championship |
| 23.04 | Jace Duval | Columbia Falls (A) | 12 | Western A Divisional |
| 23.05 | Ryan LaMere | Billings Senior (AA) | 11 | Billings City Meet |
| 23.06 | Adam Jones | Missoula Sentinel (AA) | 12 | Western AA Divisional |
| 23.07 | Kyle Darrington | Malta (B) | 11 | State B Championship |
| 23.07 | Riley Cline | Custer Co./Miles City (A) | 12 | Midland Roundtable Top 10 |
| 23.08 | Gavin Mow | Helena Capital (AA) | 10 | Capital-CMR Dual |
| 23.08 | Chase Cook | Red Lodge (B) | 10 | State B Championship |
| 23.09 | Brody Thornsberry | Flathead (AA) | 11 | Last Chance Triangular |
| 23.10 | Jaunzsen Ridgeley | Columbia Falls (A) | 12 | Western A Divisional |
| 23.12 | Billy Corette | Frenchtown (A) | 10 | Western A Divisional |
| 23.12 | Taylor Dana | Flathead (AA) | 11 | Western AA Divisional |
| 23.13 | Nate Olson | Frenchtown (A) | 12 | MCPS Invite |
| 23.14 | Avery Crouse | Fergus/Lewistown (A) | 12 | Park High Class A Meet |
| 23.14 | Taylor Searle | Hamilton (A) | 11 | Hamilton Triangular |
| 23.15 | Adam Ryland-Davis | Helena (AA) | 12 | MCPS Invite |
| 23.15 | Dylan Byrd | Lockwood (A) | 12 | Eastern A Divisional |
| 23.15 | Ethan Anderson | Glacier (AA) | 10 | Glacier-Sentinel Dual |
| 23.16 | Connor Sullivan | Sunburst (C) | 12 | State C Championship |
| 23.17 | Drifter Skillicorn | Polson (A) | 12 | Western A Divisional |
| 23.18 | Aidan Johnson | Billings West (AA) | 11 | West-Gallatin Dual |
| 23.19 | Tim Waldo | Billings Skyview (AA) | 12 | Billings City Meet |
| 23.19 | Kyle Gilbertson | Great Falls CMR (AA) | 11 | State AA Championship |
| 23.19 | Jasiah Hambira | Lustre Christian (C) | 12 | Glendive Elks Invitational |
| 23.20 | Jace Lemmel | Roundup (B) | 12 | Harlowton/Park City Invite |