| Mark | Athlete | School | Year | Meet |
|---|
| 5:11.94 | Ayden Eickhoff | Corvallis (A) | 10 | 5-5 Seeley-Swan Invitational |
| 5:26.64 | Claudia Hewston | Polson (A) | 10 | Northwestern A Divisional |
| 5:28.12 | Jael Birdinground | Hardin (A) | 9 | Jock Stop Meet |
| 5:29.10 | Austin Copp | Dawson Co./Glendive (A) | 10 | Eastern A Divisional |
| 5:30.09 | Jinise Osborne | Columbia Falls (A) | 12 | Northwestern A Divisional |
| 5:31.39 | Isabella Pape | Corvallis (A) | 9 | Western Montana Top 10 |
| 5:32.57 | Aja Starkey | Polson (A) | 10 | Northwestern A Divisional |
| 5:34.44 | Olivia Wood | Anaconda (A) | 11 | Southwestern A Divisional |
| 5:35.05 | Alexa Horrell | Billings Central (A) | 9 | Hardin Invitational |
| 5:37.76 | Nicole Brist | Whitefish (A) | 12 | Polson ABC Meet |