| Mark | School | Meet |
|---|
| 3:59.57 | Billings Senior (AA) | Eastern AA Divisional |
| 4:00.90 | Missoula Big Sky (AA) | Western AA Divisional |
| 4:00.99 | Helena (AA) | Western AA Divisional |
| 4:01.45 | Billings Skyview (AA) | Midland Roundtable Top 10 Meet |
| 4:01.65 | Corvallis (A) | Polson ABC Meet |
| 4:01.72 | Billings West (AA) | Eastern AA Divisional |
| 4:03.75 | Flathead (AA) | State A Track Meet |
| 4:05.16 | Great Falls (AA) | Eastern AA Divisional |
| 4:08.25 | Missoula Sentinel (AA) | Greg Rice City Meet |
| 4:09.37 | Butte (AA) | State AA Track Meet |
| 4:09.46 | Great Falls CMR (AA) | State AA Track Meet |
| 4:09.60 | Whitefish (A) | Polson ABC Meet |
| 4:11.20 | Belgrade (AA) | Midland Roundtable Top 10 Meet |
| 4:12.92 | Sweet Grass Co./Big Timber (B) | Midland Roundtable Top 10 Meet |
| 4:14.07 | Seeley-Swan (C) | Western C Divisional |
| 4:14.87 | Dawson Co./Glendive (A) | Eastern A Divisional |
| 4:15.10 | Park/Livingston (A) | Central A Divisional |
| 4:15.53 | Charlo (C) | Western C Divisional |
| 4:16.00 | Shepherd (B) | State B Track Meet |
| 4:16.27 | Helena Capital (AA) | State AA Track Meet |
| 4:17.52 | Frenchtown (A) | Northwestern A Divisional |
| 4:18.72 | Billings Central (A) | Jock Stop Meet |
| 4:18.93 | Missoula Hellgate (AA) | Western AA Divisional |
| 4:18.99 | Glacier (AA) | State AA Track Meet |
| 4:19.03 | Polson (A) | Northwestern A Divisional |
| 4:19.31 | Glasgow (B) | Northern B Divisional |
| 4:19.84 | Sidney (A) | Eastern A Divisional |
| 4:20.37 | Manhattan (B) | State B Track Meet |
| 4:21.61 | Twin Bridges (C) | State C Track Meet |
| 4:21.67 | Plains (B) | Western Montana Top 10 |
| 4:21.71 | Loyola Sacred Heart (B) | Western B Divisional |
| 4:22.82 | Shields Valley (C) | Western C Divisional |
| 4:23.84 | North Star (C) | Northern C Divisional |
| 4:23.89 | Harlowton (C) | State C Track Meet |
| 4:23.96 | Hardin (A) | State A Track Meet |
| 4:25.00 | Columbia Falls (A) | State A Track Meet |