| Mark | School | Meet |
|---|
| 3:28.18 | Joliet (B) | Midland Roundtable Top 10 |
| 3:28.62 | Fairview (B) | Glendive Shriners Invitational |
| 3:28.88 | Columbus (B) | Midland Roundtable Top 10 |
| 3:29.73 | Darby (B) | 6B/13C District Meet |
| 3:30.40 | Sweet Grass Co./Big Timber (B) | Southern B/C Divisional |
| 3:31.49 | Lincoln Co./Eureka (B) | Western B/C Divisional |
| 3:31.64 | Loyola Sacred Heart (B) | Western B/C Divisional |
| 3:32.52 | Jefferson/Boulder (B) | Corvallis Quadrangular |
| 3:33.83 | Glasgow (B) | Glendive Shriners Invitational |
| 3:34.31 | Florence-Carlton (B) | 6B/13C District Meet |
| 3:35.74 | Fairfield (B) | KLH Memorial Track Meet |