| Mark | School | Meet |
|---|
| 48.75 | Great Falls CMR (AA) | State AA |
| 48.84 | Flathead (AA) | Libby-Flathead Dual |
| 48.87 | Billings Senior (AA) | State AA |
| 48.96 | Missoula Big Sky (AA) | State AA |
| 49.09 | Billings Skyview (AA) | State AA |
| 49.31 | Butte (AA) | State AA |
| 49.51 | Corvallis (A) | State A |
| 49.63 | Whitefish (A) | State A |
| 49.96 | Belgrade (AA) | State A |
| 50.04 | Billings West (AA) | State AA |
| 50.44 | Helena Capital (AA) | State AA |
| 50.62 | Fergus/Lewistown (A) | State A |
| 50.65 | Polson (A) | Sapphire Twilight Meet |
| 50.79 | Beaverhead Co./Dillon (A) | State A |
| 50.85 | Bozeman (AA) | Eastern AA Divisional |
| 51.1 | Charlo (C) | State C |
| 51.01 | Billings Central (A) | State A |
| 51.09 | Missoula Hellgate (AA) | Western AA Divisional |
| 51.15 | Park/Livingston (A) | State A |
| 51.25 | Florence-Carlton (B) | State B |
| 51.33 | North Star (C) | State C |
| 51.53 | Shields Valley (C) | State C |
| 51.54 | Hardin (A) | State A |
| 51.55 | Glacier (AA) | Archie Roe Invitational |
| 51.66 | Helena (AA) | Great Falls Optimist Invitational |
| 51.66 | Powell Co./Deer Lodge (B) | State B |
| 51.86 | Columbia Falls (A) | Northwestern A Divisional |
| 51.93 | Plentywood (B) | State B |
| 52.01 | Red Lodge (B) | State B |
| 52.08 | Seeley-Swan (C) | State C |
| 52.09 | Colstrip (B) | State B |
| 52.10 | Belt (C) | Northern C Divisional |
| 52.29 | Huntley Project (B) | State B |
| 52.58 | Ronan-St. Ignatius (B) | Western B Divisional |
| 52.60 | Glasgow (B) | 2B Districts |
| 52.71 | Wibaux (C) | State C |
| 52.74 | Malta (B) | Northern B Divisional |
| 9:52.74 | Darby (B) | State C |
| 52.77 | Hamilton (A) | State A |