| Mark | School | Meet |
|---|
| 42.57 | Glacier (AA) | State AA |
| 42.80 | Helena Capital (AA) | State AA |
| 42.87 | Helena (AA) | Western AA Divisional |
| 43.00 | Billings Senior (AA) | State AA |
| 43.28 | Manhattan (B) | Belgrade Quad |
| 43.31 | Billings West (AA) | Eastern AA Divisional |
| 43.32 | Billings Skyview (AA) | State AA |
| 43.48 | Flathead (AA) | Western AA Divisional |
| 43.50 | Whitefish (A) | State A |
| 43.54 | Jefferson/Boulder (B) | State B |
| 43.57 | Bozeman (AA) | State AA |
| 43.83 | Missoula Big Sky (AA) | State AA |
| 43.87 | Billings Central (A) | State A |
| 43.94 | Ennis (B) | Western C Divisional |
| 43.96 | Great Falls CMR (AA) | State AA |
| 43.96 | Fergus/Lewistown (A) | State A |
| 43.96 | Columbia Falls (A) | State A |
| 43.97 | Charlo (C) | Lake County Meet |
| 44.01 | Frenchtown (A) | Northwestern A Divisional |
| 44.03 | Butte (AA) | Eastern AA Divisional |
| 44.12 | Powell Co./Deer Lodge (B) | Western B Divisional |
| 44.16 | Hamilton (A) | State A |
| 44.17 | Stevensville (A) | State A |
| 44.33 | Great Falls Central (C) | State C |
| 44.34 | Missoula Sentinel (AA) | State AA |
| 44.35 | Corvallis (A) | State A |
| 44.38 | Butte Central (A) | Swede Dahlberg Invitational |
| 44.46 | Thompson Falls (B) | State B |
| 44.47 | Glasgow (B) | State B |
| 44.53 | Laurel (A) | State A |
| 44.54 | Wolf Point (B) | State B |
| 44.54 | Arlee (C) | Lake County Meet |
| 44.65 | Polson (A) | Northwestern A Divisional |
| 44.72 | Bigfork (A) | Western B Divisional |
| 44.74 | Loyola Sacred Heart (B) | Western B Divisional |
| 44.78 | Great Falls (AA) | Eastern AA Divisional |
| 45.02 | Broadwater/Townsend (B) | State B |
| 45.02 | Lincoln Co./Eureka (B) | Western B Divisional |
| 45.09 | Baker (B) | State B |
| 45.23 | Shields Valley (C) | State C |
| 45.30 | Sidney (A) | State A |
| 45.37 | Belgrade (AA) | Laurel Quad |
| 45.46 | Hardin (A) | Jock Stop Invitational |
| 45.46 | Hot Springs (C) | State C |
| 45.48 | Park/Livingston (A) | State A |