| Mark | Athlete | School | Year | Meet |
|---|
| 11:17.80 | Karis Brightwings-Pease | Hardin (A) | 9 | Eastern A Divisional |
| 11:41.03 | Mariah Aragon | Hardin (A) | 11 | Glendive Elks Invitational |
| 11:43.15 | Zoey Real Bird | Hardin (A) | 9 | Midland Roundtable Top 10 |
| 11:46.88 | Laurie Davidson | Corvallis (A) | 11 | State A Championship |
| 11:47.67 | Siri Erickson | Columbia Falls (A) | 12 | Russ Plicher Top 10 |
| 11:48.04 | Maeve Ingelfinger | Whitefish (A) | 11 | Last Chance Triangular |
| 11:49.86 | Amara Auch | Corvallis (A) | 12 | Nelson-Thomas ABC Meet |
| 12:06.08 | Hailey Powell | Beaverhead Co./Dillon (A) | 11 | Nelson-Thomas ABC Meet |
| 12:22.61 | Leah Thompson | Hardin (A) | 10 | Eastern A Divisional |
| 12:24.73 | Ryleigh Kleinke | Sidney (A) | 10 | Eastern A Divisional |