| Mark | School | Meet |
|---|
| 47.80 | Billings West (AA) | State AA |
| 48.48 | Helena Capital (AA) | State AA |
| 49.09 | Bozeman (AA) | State AA |
| 49.57 | Flathead (AA) | Archie Roe |
| 49.66 | Missoula Big Sky (AA) | State AA |
| 49.72 | Whitefish (A) | State A |
| 49.86 | Havre (A) | State A |
| 50.00 | Beaverhead Co./Dillon (A) | State A |
| 50.08 | Helena (AA) | State AA |
| 50.18 | Baker (B) | State B |
| 50.40 | Glacier (AA) | State AA |
| 50.41 | Billings Skyview (AA) | State AA |
| 50.51 | Fort Benton (C) | State C |
| 50.52 | Corvallis (A) | State A |
| 50.54 | Missoula Hellgate (AA) | State AA |
| 50.58 | Butte (AA) | Eastern AA Divisionals |
| 50.75 | Seeley-Swan (C) | State C |
| 50.87 | Missoula Sentinel (AA) | Western Top 10 Meet |
| 50.97 | Charlo (C) | Western C Divisional |
| 51.00 | Billings Senior (AA) | State AA |
| 51.07 | Bigfork (A) | State B |
| 51.25 | Huntley Project (B) | State B |
| 51.25 | Shields Valley (C) | Western C Divisional |
| 51.42 | Great Falls (AA) | Eastern AA Divisionals |
| 51.46 | Belgrade (AA) | State A |
| 51.81 | Fairfield (B) | State B |
| 51.81 | Columbus (B) | State B |
| 51.84 | Great Falls CMR (AA) | State AA |
| 51.87 | Ronan (A) | State A |
| 51.93 | Sidney (A) | State A |
| 51.95 | Dawson Co./Glendive (A) | State A |
| 51.96 | Colstrip (B) | Midland Roundtable Top 10 |
| 52.05 | Frenchtown (A) | Nelson-Thomas ABC Meet |
| 52.06 | Shepherd (B) | State B |
| 52.06 | Wolf Point (B) | State B |
| 52.11 | Libby (A) | Nelson-Thomas ABC Meet |
| 52.14 | Clark Fork/Alberton-Superior (C) | State C |
| 52.28 | Columbia Falls (A) | Mike Nicosia Cat Dog Dual |
| 52.28 | Anaconda (B) | State B |
| 52.38 | Laurel (A) | State A |
| 52.62 | Simms (C) | State C |
| 52.64 | Plentywood (C) | State C |
| 52.74 | Glasgow (B) | State B |
| 52.78 | West Yellowstone (C) | Western C Divisional |
| 52.78 | Billings Central (A) | State A |
| 52.81 | Custer Co./Miles City (A) | State A |
| 52.88 | Jefferson/Boulder (B) | State B |
| 52.96 | Cascade (C) | State C |
| 52.96 | Great Falls Central (C) | State C |