| Mark | Athlete | School | Year | Meet |
|---|
| 11:23.92 | Bea Frissell | Polson (A) | 11 | State A |
| 11:28.94 | Morgan Vosler | Custer Co./Miles City (A) | 12 | Jockstop Twilight Invitational |
| 11:36.81 | Grace Timm | Laurel (A) | 9 | Jockstop Twilight Invitational |
| 11:41.99 | Brynnli Poulsen | Hamilton (A) | 9 | Western A Divisional |
| 11:42.48 | Lyric Devries | Hamilton (A) | 12 | Western A Divisional |
| 11:44.69 | Libby Nedens | Hardin (A) | 9 | Eastern A Divisional |
| 11:57.91 | Ella Greenberg | Whitefish (A) | 11 | Western A Divisional |
| 11:59.89 | Lilli Day | Corvallis (A) | 10 | Western A Divisional |
| 12:03.53 | Sarah Passey | Hamilton (A) | 10 | Western A Divisional |
| 12:10.63 | Molly Sitter | Polson (A) | 11 | Sapphire Twilight Invitational |
| 12:12.07 | Naima Crowl | Polson (A) | 12 | Western A Divisional |
| 12:16.15 | Hannah Martin | Corvallis (A) | 10 | State A |
| 12:21.55 | Sydney Little Light | Hardin (A) | 12 | Eastern A Divisional |
| 12:25.00 | Jessica Henson | Whitefish (A) | 10 | Western A Divisional |