| Mark | School | Meet |
|---|
| 41.89 | Missoula Sentinel (AA) | State AA |
| 42.30 | Glacier (AA) | State AA |
| 42.42 | Laurel (A) | State A |
| 42.59 | Billings West (AA) | Midland Roundtable Top 10 |
| 42.63 | Beaverhead Co./Dillon (A) | State A |
| 42.77 | Gallatin (Bozeman) (AA) | State AA |
| 43.03 | Helena Capital (AA) | State AA |
| 43.10 | Great Falls CMR (AA) | Great Falls Crosstown Dual |
| 43.12 | Bozeman (AA) | State AA |
| 43.24 | Flathead (AA) | State AA |
| 43.31 | Broadwater/Townsend (B) | State B |
| 43.34 | Great Falls (AA) | Great Falls Crosstown Dual |
| 43.50 | Frenchtown (A) | State A |
| 43.51 | Hamilton (A) | State A |
| 43.59 | Columbia Falls (A) | State A |
| 43.62 | Butte (AA) | State AA |
| 43.65 | Jefferson/Boulder (B) | State B |
| 43.68 | Loyola Sacred Heart (B) | State B |
| 43.69 | Belgrade (AA) | State AA |
| 43.84 | Billings Senior (AA) | Gary Benson Border War (WY) |
| 43.96 | Helena (AA) | State AA |
| 44.13 | Corvallis (A) | State A |
| 44.30 | Hobson-Moore-Judith Gap (C) | Northern C Divisional |
| 44.30 | Park/Livingston (A) | State A |
| 44.31 | Bigfork (B) | State B |
| 44.33 | Sidney (A) | State A |
| 44.48 | Billings Skyview (AA) | Billings City Meet |
| 44.54 | Seeley-Swan (C) | State C |
| 44.58 | Billings Central (A) | Billings Central Invite |
| 44.61 | Harlowton-Ryegate (C) | State C |
| 44.68 | Butte Central (A) | Midland Roundtable Top 10 |
| 44.78 | Belt (C) | State C |
| 44.82 | Missoula Big Sky (AA) | Western AA Divisional |
| 44.87 | Thompson Falls (B) | State B |
| 44.87 | Chinook (C) | State C |
| 44.97 | Custer Co./Miles City (A) | State A |
| 45.01 | Fort Benton (C) | Fairfield Belt State Preview |
| 45.02 | Valley Christian (C) | Western C Divisional |
| 45.06 | Park City (C) | State C |
| 45.07 | Cascade (C) | State C |
| 45.07 | Fairfield (B) | State B |
| 45.12 | Red Lodge (B) | 4B Districts |
| 45.21 | East Helena (A) | State A |
| 45.21 | Missoula Hellgate (AA) | Flathead-Hellgate-Sentinel Tri |
| 45.24 | Whitefish (A) | Columbia Falls-Whitefish Dual |
| 45.32 | Malta (B) | State B |
| 45.36 | Roundup (B) | State B |
| 45.37 | Havre (A) | State A |
| 45.41 | Shelby (B) | 1B Districts |
| 45.42 | Stevensville (A) | Western A Divisional |
| 45.42 | Dawson Co./Glendive (A) | State A |
| 45.42 | Huntley Project (B) | Laurel Invite |
| 45.50 | Polson (A) | State A |
| 45.54 | Manhattan Christian (C) | 12C Districts |