| Mark | School | Meet |
|---|
| 47.90 | Whitefish (A) | State A Championship |
| 48.04 | Helena (AA) | State AA Championship |
| 48.15 | Loyola Sacred Heart (B) | State B Championship |
| 48.31 | Havre (A) | State A Championship |
| 48.58 | Great Falls (AA) | State AA Championship |
| 48.95 | Huntley Project (B) | State B Championship |
| 49.15 | Corvallis (A) | Corvallis Quad |
| 49.21 | Billings Senior (AA) | State AA Championship |
| 49.26 | Missoula Big Sky (AA) | State AA Championship |
| 49.55 | Billings West (AA) | Bozeman Quad |
| 49.65 | Gallatin (Bozeman) (AA) | State AA Championship |
| 49.72 | Laurel (A) | State A Championship |
| 49.82 | Broadwater/Townsend (B) | State B Championship |
| 50.00 | Flathead (AA) | State AA Championship |
| 50.03 | Belgrade (AA) | Eastern AA Divisional |
| 50.07 | Helena Capital (AA) | Helena Crosstown Meet |
| 50.17 | Bozeman (AA) | Eastern AA Divisional |
| 50.21 | Frenchtown (A) | State A Championship |
| 50.23 | Anaconda (B) | Florence/Darby Invitational |
| 50.26 | Missoula Sentinel (AA) | State AA Championship |
| 50.27 | Missoula Hellgate (AA) | Greg Rice City Meet |
| 50.38 | Hamilton (A) | State A Championship |
| 50.52 | Custer Co./Miles City (A) | State A Championship |
| 50.55 | Belt (C) | State C Championship |
| 50.59 | Lockwood (A) | Eastern A Divisional |
| 50.72 | Billings Skyview (AA) | Bozeman Quad |
| 50.80 | Savage (C) | State C Championship |
| 50.87 | Jefferson/Boulder (B) | State B Championship |
| 50.91 | Columbus (B) | State B Championship |
| 51.08 | Beaverhead Co./Dillon (A) | State A Championship |
| 51.09 | Fairfield (B) | State B Championship |
| 51.10 | Shepherd (B) | Southern B Divisional |
| 51.13 | Florence-Carlton (B) | Florence/Darby Invitational |
| 51.28 | Fairview (B) | State B Championship |
| 51.28 | Fort Benton (C) | State C Championship |
| 51.31 | Columbia Falls (A) | State A Championship |
| 51.37 | Glacier (AA) | Western AA Divisional |
| 51.44 | Twin Bridges (C) | Florence/Darby Invitational |
| 51.48 | Great Falls CMR (AA) | State AA Championship |
| 51.61 | Fergus/Lewistown (A) | State A Championship |
| 51.66 | Lincoln Co./Eureka (B) | Western B Divisional |
| 51.80 | Dawson Co./Glendive (A) | Glendive Shriners Invitational |
| 51.94 | Denton-Geyser-Stanford (C) | State C Championship |
| 51.97 | Bigfork (A) | State A Championship |
| 52.04 | Garfield Co./Jordan (C) | State C Championship |
| 52.06 | Drummond (C) | Florence/Darby Invitational |
| 52.10 | Baker (B) | State B Championship |
| 52.15 | Butte (AA) | Last Chance Invite |
| 52.16 | Sidney (A) | Eastern A Divisional |
| 52.21 | Billings Central (A) | Eastern A Divisional |
| 52.29 | Scobey (C) | State C Championship |
| 52.38 | Seeley-Swan (C) | Western C Divisional |
| 52.41 | Baker (B) | Baker Small Meet |
| 52.52 | Three Forks (B) | Southern B Divisional |
| 52.74 | Richey-Lambert (C) | Eastern C Divisional |