| Mark | School | Meet |
|---|
| 48.43 | Billings West (AA) | State AA |
| 48.92 | Missoula Big Sky (AA) | Western AA Divisional |
| 48.95 | Billings Skyview (AA) | State AA |
| 49.33 | Bozeman (AA) | State AA |
| 49.66 | Polson (A) | Lake County Meet |
| 49.75 | Billings Senior (AA) | State AA |
| 50.06 | Great Falls CMR (AA) | Great Falls Crosstown Meet |
| 50.08 | Corvallis (A) | State A |
| 50.25 | Whitefish (A) | State A |
| 50.25 | Choteau (B) | State B |
| 50.30 | Beaverhead Co./Dillon (A) | State A |
| 50.37 | Helena (AA) | Western AA Divisional |
| 50.39 | Missoula Sentinel (AA) | State AA |
| 50.45 | Helena Capital (AA) | Western AA Divisional |
| 50.58 | Flathead (AA) | State AA |
| 50.73 | Hamilton (A) | Sapphire Twilight Meet |
| 50.91 | Baker (B) | State B |
| 50.93 | Columbia Falls (A) | State A |
| 51.04 | Arlee (C) | Lake County Meet |
| 51.06 | Missoula Hellgate (AA) | Western AA Divisional |
| 51.08 | Belgrade (AA) | State A |
| 51.10 | Bigfork (A) | State B |
| 51.24 | Belt (C) | State C |
| 51.24 | Glasgow (B) | State B |
| 51.32 | Laurel (A) | State A |
| 51.34 | Plains (B) | State B |
| 51.38 | Great Falls (AA) | Great Falls Triangular |
| 51.54 | Ronan (B) | Lake County Meet |
| 51.58 | Shields Valley (C) | State C |
| 51.62 | Fairfield (B) | State B |
| 51.63 | Park/Livingston (A) | Midland Roundtable Top 10 |
| 51.66 | Twin Bridges (C) | State C |
| 51.74 | Malta (B) | State B |
| 51.86 | Manhattan (B) | Belgrade Quad |
| 51.88 | Billings Central (A) | State A |
| 51.90 | Glacier (AA) | Western AA Divisional |
| 51.93 | Powder River Co./Broadus (C) | State C |
| 52.10 | Loyola Sacred Heart (B) | State B |
| 52.14 | Butte Central (A) | John Tomich Invitational |
| 52.36 | Scobey-Opheim (C) | Eastern Top 10 Meet |
| 52.37 | Darby (B) | State C |
| 52.43 | Butte (AA) | Billings West Triangular |
| 52.51 | Three Forks (B) | State B |
| 52.51 | Custer Co./Miles City (A) | State A |
| 52.87 | Frenchtown (A) | State A |
| 52.89 | Twin Bridges (C) | 11/12C Districts |
| 52.91 | Fergus/Lewistown (A) | State A |
| 52.96 | Ennis (B) | State C |