| Mark | School | Meet |
|---|
| 48.38 | Missoula Big Sky (AA) | State AA |
| 48.54 | Whitefish (A) | State A |
| 48.88 | Belgrade (AA) | State A |
| 48.99 | Corvallis (A) | State A |
| 49.29 | Billings West (AA) | Eastern AA Divisional |
| 49.34 | Billings Skyview (AA) | State AA |
| 49.37 | Great Falls (AA) | State AA |
| 49.42 | Great Falls CMR (AA) | State AA |
| 49.56 | Billings Senior (AA) | Eastern AA Divisional |
| 49.65 | Choteau (B) | Northern B Divisional |
| 49.91 | Helena (AA) | State AA |
| 50.03 | Missoula Sentinel (AA) | State AA |
| 50.37 | Beaverhead Co./Dillon (A) | State A |
| 50.45 | Fergus/Lewistown (A) | State A |
| 50.51 | Flathead (AA) | Western AA Divisional |
| 50.52 | Glacier (AA) | Western AA Divisional |
| 51.04 | Belt (C) | State C |
| 51.06 | Bozeman (AA) | Eastern AA Divisional |
| 51.07 | Missoula Hellgate (AA) | Western AA Divisional |
| 51.10 | Park/Livingston (A) | State A |
| 51.10 | Red Lodge (B) | State B |
| 51.15 | Columbia Falls (A) | State A |
| 51.17 | Polson (A) | Northwestern A Divisional |
| 51.37 | Glasgow (B) | State B |
| 51.41 | Charlo (C) | 14C Districts |
| 51.46 | Helena Capital (AA) | Western AA Divisional |
| 51.63 | North Star (C) | State C |
| 51.69 | Baker (B) | State B |
| 51.70 | Hamilton (A) | State A |
| 51.84 | Darby (B) | State C |
| 52.07 | Lincoln Co./Eureka (B) | State B |
| 52.20 | Manhattan (B) | State B |
| 52.33 | Scobey-Opheim (C) | State C |
| 52.34 | Joliet (B) | State B |
| 52.35 | Plains (B) | State B |
| 52.38 | Ronan (B) | State B |
| 52.51 | Drummond (C) | 13C Districts |
| 52.57 | Laurel (A) | State A |
| 52.58 | Butte (AA) | Eastern AA Divisional |
| 52.58 | Custer Co./Miles City (A) | Eastern A Divisional |
| 52.74 | Billings Central (A) | State A |
| 52.79 | Florence-Carlton (B) | State B |
| 52.79 | Bigfork (A) | 7B Districts |
| 52.80 | Butte Central (A) | Dillon Invitational |
| 52.84 | Arlee (C) | State C |
| 52.89 | Park City (B) | 6C Districts |
| 52.90 | Dawson Co./Glendive (A) | Eastern A Divisional |
| 52.96 | Havre (A) | State A |
| 52.97 | Frenchtown (A) | State A |