| Mark | Athlete | School | Year | Meet |
|---|
| 38.40 | Treyton Anderson | Beaverhead Co./Dillon (A) | 12 | Western A Divisional |
| 39.06 | Tyler Gilman | Gallatin (Bozeman) (AA) | 12 | State AA |
| 39.23 | Garret Coley | Gallatin (Bozeman) (AA) | 12 | Eastern AA Divisional |
| 39.39 | Drew Klumph | Missoula Sentinel (AA) | 12 | State AA |
| 39.52 | Caleb Bernhardt | Glacier (AA) | 12 | State AA |
| 39.85 | Colter Petre | Helena (AA) | 11 | State AA |
| 40.07 | Braden Morris | Jefferson/Boulder (B) | 12 | State B |
| 40.40 | Nash Coley | Gallatin (Bozeman) (AA) | 10 | State AA |
| 40.66 | Ethan Anderson | Glacier (AA) | 9 | Glacier-Columbia Falls Dual |
| 40.70 | Bodie Smith | Whitefish (A) | 12 | State A |
| 41.06 | Spencer Lehnerz | Power (C) | 12 | Northern C Divisional |
| 41.12 | Mitchell Fogelsong | Billings West (AA) | 11 | State AA |
| 41.17 | William Martin | Darby (B) | 11 | 13C Districts |
| 41.18 | Fogaa Fatupaito | Billings Skyview (AA) | 11 | State AA |
| 41.23 | Matthew Moreni | Helena Capital (AA) | 11 | Helena Crosstown Dual |
| 41.38 | Jackson Simonson | Great Falls CMR (AA) | 12 | State AA |
| 41.41 | Morgan McClernan | Butte (AA) | 12 | Butte-Bozeman-Gallatin Tri |
| 41.43 | Dawson Sweat | Broadwater/Townsend (B) | 11 | State B |
| 41.44 | Kade Newman | Broadwater/Townsend (B) | 10 | State B |
| 41.59 | Treyton Graham | Beaverhead Co./Dillon (A) | 11 | State A |
| 41.62 | Gage Norslien | Fergus/Lewistown (A) | 11 | State A |
| 41.69 | Aiden Read | Corvallis (A) | 11 | Western A Divisional |
| 41.71 | Corbin Weltzien | Missoula Hellgate (AA) | 9 | Greg Rice City Meet |
| 41.73 | Holt Downey | Butte (AA) | 12 | Russ Plicher Top 10 |
| 41.74 | Dylan Root | Jefferson/Boulder (B) | 11 | East Helena-Broadwater-Jefferson Tri |
| 41.76 | Chase Haines | Seeley-Swan (C) | 12 | Western C Divisional |
| 41.78 | JD Shepard | Belt (C) | 10 | 8C Districts |
| 41.81 | Ryan Racht | Broadwater/Townsend (B) | 11 | State B |
| 41.83 | Samuel Bryant | Drummond (C) | 12 | State C |
| 41.86 | Dylan Root | Jefferson/Boulder (B) | 11 | State B |
| 41.89 | Chase Burrows | Laurel (A) | 11 | Midland Roundtable Top 10 |
| 41.91 | Evan Barnes | Glacier (AA) | 10 | Glacier-Columbia Falls Dual |
| 41.92 | Tuff Adams | Helena Capital (AA) | 10 | Russ Plicher Top 10 |
| 41.99 | Caleb Stosich | Sweet Grass Co./Big Timber (B) | 9 | State B |