| Mark | Athlete | School | Year | Meet |
|---|
| 5:07.96 | Karis Brightwings-Pease | Hardin (A) | 9 | Midland Roundtable Top 10 |
| 5:16.40 | Mariah Aragon | Hardin (A) | 11 | State A Championship |
| 5:16.76 | Maeve Ingelfinger | Whitefish (A) | 11 | State A Championship |
| 5:17.51 | Siri Erickson | Columbia Falls (A) | 12 | Nelson-Thomas ABC Meet |
| 5:19.73 | Laurie Davidson | Corvallis (A) | 11 | State A Championship |
| 5:21.40 | Amara Auch | Corvallis (A) | 12 | State A Championship |
| 5:23.22 | Zoey Real Bird | Hardin (A) | 9 | State A Championship |
| 5:23.28 | Hailey Powell | Beaverhead Co./Dillon (A) | 11 | State A Championship |
| 5:24.36 | Carly Cook | Laurel (A) | 12 | Park High Class A Meet |
| 5:25.56 | Violet Jessop | Corvallis (A) | 10 | State A Championship |
| 5:28.96 | Olivia Heiner | Ronan (A) | 12 | State A Championship |
| 5:29.23 | Ellyse Moccasin | Hardin (A) | 12 | Glendive Elks Invitational |
| 5:30.01 | Shayla Brittain | Billings Central (A) | 9 | Eastern A Divisional |
| 5:33.40 | Greta Tooke | Custer Co./Miles City (A) | 10 | Eastern A Divisionals |
| 5:35.15 | Ashtyn Wagner | Polson (A) | 12 | Western A Divisional |
| 5:36.29 | Ryleigh Kleinke | Sidney (A) | 10 | State A Championship |
| 5:36.48 | Courtney Hoerner | Columbia Falls (A) | 12 | State A Championship |