| Mark | Athlete | School | Year | Meet |
|---|
| 2:14.17 | Peyton Frame | Custer Co./Miles City (A) | 11 | John Polich Invitational |
| 2:15.83 | Annalise Lewis | Hamilton (A) | 10 | Western A Divisional |
| 2:16.25 | Grace Jagodzinski | Billings Central (A) | 10 | Eastern A Divisional |
| 2:20.18 | Chloe Savoy | Columbia Falls (A) | 12 | Western A Divisional |
| 2:21.39 | Ryleigh Kleinke | Sidney (A) | 12 | Sidney Twilight Meet |
| 2:22.08 | Cecily Hope | Billings Central (A) | 11 | Eastern A Divisional |
| 2:22.86 | Javon Dutton | Custer Co./Miles City (A) | 10 | Eastern A Divisional |
| 2:23.07 | Karis Brightwings-Pease | Hardin (A) | 10 | Eastern A Divisional |
| 2:23.16 | Capri Farmer | Libby (A) | 9 | Lincoln County Track Meet |
| 2:24.30 | Zoey Real Bird | Hardin (A) | 10 | Sidney Twilight Meet |
| 2:24.73 | Morgan Delaney | Polson (A) | 10 | Whitefish ARM Invitational |
| 2:25.13 | Jaclyn Dighans | Custer Co./Miles City (A) | 10 | Glendive Shriners Invitational |
| 2:25.53 | Ashley Andrews | Columbia Falls (A) | 11 | Archie Roe Track Meet |
| 2:25.73 | Andriell Herrera | Hardin (A) | 11 | Eastern A Divisional |
| 2:26.36 | Eleanor Rheinhardt | Frenchtown (A) | 11 | Russ Plicher Western Top 10 |
| 2:26.68 | Mila Johns | Columbia Falls (A) | 11 | Western A Divisional |
| 2:26.92 | Dani Jordan | Lockwood (A) | 12 | Sidney Twilight Meet |
| 2:27.17 | Mya Badger | Columbia Falls (A) | 12 | Western A Divisional |
| 2:27.38 | Teslin Trombley | Browning (A) | 11 | Western A Divisional |