| Mark | School | Meet |
|---|
| 42.65 | Butte (AA) | State AA |
| 42.79 | Laurel (A) | State A |
| 43.11 | Missoula Sentinel (AA) | Western AA Divisional |
| 43.60 | Billings Senior (AA) | Senior/Skyview Dual |
| 43.62 | Hardin (A) | State A |
| 43.65 | Frenchtown (A) | State A |
| 43.65 | Billings West (AA) | Eastern AA Divisional |
| 43.77 | Loyola Sacred Heart (B) | State B |
| 43.82 | Beaverhead Co./Dillon (A) | State A |
| 43.92 | Broadwater/Townsend (B) | State B |
| 43.92 | Gallatin (Bozeman) (AA) | Gallatin-Billings Senior Dual |
| 43.95 | Belgrade (AA) | State AA |
| 43.96 | Sidney (A) | State A |
| 43.96 | Great Falls (AA) | State AA |
| 43.97 | Flathead (AA) | State AA |
| 44.03 | Polson (A) | State A |
| 44.05 | Jefferson/Boulder (B) | State B |
| 44.09 | Columbus (B) | State B |
| 44.12 | Simms (C) | State C |
| 44.13 | Helena Capital (AA) | Western AA Divisional |
| 44.23 | Glacier (AA) | Western AA Divisional |
| 44.30 | Bozeman (AA) | State AA |
| 44.30 | Billings Central (A) | State A |
| 44.36 | Bigfork (B) | State B |
| 44.37 | Whitefish (A) | State A |
| 44.39 | Fort Benton (C) | State C |
| 44.41 | Huntley Project (B) | Midland Roundtable Top 10 |
| 44.49 | Great Falls CMR (AA) | CMR-Gallatin Dual |
| 44.53 | Billings Skyview (AA) | Billings Skyview-Belgrade Dual |
| 44.62 | Helena (AA) | Helena Crosstown Dual |
| 44.63 | Red Lodge (B) | State B |
| 44.78 | Columbia Falls (A) | State A |
| 44.90 | Missoula Big Sky (AA) | State AA |
| 44.99 | East Helena (A) | State A |
| 45.15 | Conrad (B) | State B |
| 45.18 | Missoula Hellgate (AA) | Western AA Divisional |
| 45.25 | Anaconda (B) | State B |
| 45.36 | Custer Co./Miles City (A) | State A |
| 45.38 | Chinook (C) | Fairfield-Belt Invitational |
| 45.42 | Hamilton (A) | Ravalli County Meet |
| 45.44 | Lincoln Co./Eureka (B) | State B |
| 45.61 | Belt (C) | State C |