| Mark | School | Meet |
|---|
| 3:58.47 | Whitefish (A) | State A Championship |
| 4:00.47 | Corvallis (A) | Russ Plicher Western Top 10 |
| 4:04.21 | Hamilton (A) | State A Championship |
| 4:06.66 | Havre (A) | State A Championship |
| 4:07.12 | Laurel (A) | State A Championship |
| 4:07.27 | Custer Co./Miles City (A) | State A Championship |
| 4:07.73 | Frenchtown (A) | State A Championship |
| 4:14.70 | Columbia Falls (A) | Nelson-Thomas ABC Meet |
| 4:15.53 | Billings Central (A) | Midland Roundtable Top 10 |
| 4:16.49 | Hardin (A) | Glendive Shriners Invitational |
| 4:16.97 | Beaverhead Co./Dillon (A) | Western A Divisional |
| 4:17.05 | Lockwood (A) | Eastern A Divisional |
| 4:20.17 | Fergus/Lewistown (A) | State A Championship |
| 4:21.59 | Park/Livingston (A) | Eastern A Divisional |
| 4:23.13 | Polson (A) | State A Championship |
| 4:23.41 | East Helena (A) | Eastern A Divisional |
| 4:23.89 | Sidney (A) | State A Championship |