| Mark | Athlete | School | Year | Meet |
|---|
| 5:08.79 | Peyton Frame | Custer Co./Miles City (A) | 11 | Sidney Twilight Meet |
| 5:11.65 | Annalise Lewis | Hamilton (A) | 10 | Western A Divisional |
| 5:12.14 | Capri Farmer | Libby (A) | 9 | Archie Roe Invitational |
| 5:12.54 | Karis Brightwings-Pease | Hardin (A) | 10 | Sidney Twilight Meet |
| 5:13.76 | Grace Jagodzinski | Billings Central (A) | 10 | Eastern A Divisional |
| 5:16.40 | Zoey Real Bird | Hardin (A) | 10 | Sidney Twilight Meet |
| 5:18.23 | Chloe Savoy | Columbia Falls (A) | 12 | Western A Divisional |
| 5:19.63 | Morgan Delaney | Polson (A) | 10 | Hamilton Bronc Invitational |
| 5:20.28 | Mila Johns | Columbia Falls (A) | 11 | Western A Divisional |
| 5:26.05 | Shayla Brittain | Billings Central (A) | 11 | Eastern A Divisional |
| 5:27.65 | Mya Badger | Columbia Falls (A) | 12 | Western A Divisional |
| 5:28.20 | Eleanor Rheinhardt | Frenchtown (A) | 11 | Western A Divisional |
| 5:28.65 | Ryleigh Kleinke | Sidney (A) | 12 | MC John Polich Invite |
| 5:28.90 | Findley Dezzani | Columbia Falls (A) | 11 | Western A Divisional |
| 5:29.06 | Andriell Herrera | Hardin (A) | 11 | Eastern A Divisional |
| 5:29.66 | Kimora Scott | Polson (A) | 9 | Western A Divisional |
| 5:30.08 | Hannah McCormick | Dawson Co./Glendive (A) | 9 | MC John Polich Invite |
| 5:30.33 | Aleigha Child | Hamilton (A) | 10 | Ravalli County Invitational |
| 5:34.38 | Hailey Gingery | Havre (A) | 12 | Nelson-Thomas ABC Meet |
| 5:34.59 | Faye Holland | Beaverhead Co./Dillon (A) | 12 | Western A Divisional |
| 5:35.29 | Ashley Andrews | Columbia Falls (A) | 11 | Nelson-Thomas ABC Meet |
| 5:36.51 | Laina Larson | Lockwood (A) | 12 | Sidney Twilight Meet |