| Mark | Athlete | School | Year | Meet |
|---|
| 2:10.64 | Isabel Ross | Gallatin (Bozeman) (AA) | 12 | Eastern AA Divisional |
| 2:14.29 | Hazel Cooper | Gallatin (Bozeman) (AA) | 10 | Midland Roundtable Top 10 |
| 2:16.77 | Aliyah Vogel | Billings West (AA) | 11 | Eastern AA Divisional |
| 2:16.92 | Kylee Neil | Bozeman (AA) | 10 | Eastern AA Divisional |
| 2:17.93 | Gia Petrini | Missoula Hellgate (AA) | 11 | Western AA Divisional |
| 2:18.80 | Alyssa Vollertsen | Glacier (AA) | 12 | Western AA Divisional |
| 2:20.19 | Jamison Molloy | Missoula Hellgate (AA) | 12 | Western AA Divisional |
| 2:21.01 | Lauren Bissen | Glacier (AA) | 10 | Archie Roe Invitational |
| 2:21.78 | Dacia Benkelman | Glacier (AA) | 11 | Archie Roe Invitational |
| 2:22.72 | Everett Holland | Flathead (AA) | 9 | Western AA Divisional |
| 2:23.44 | Finley Samuels | Gallatin (Bozeman) (AA) | 10 | Eastern AA Divisional |
| 2:23.52 | Kortney McKay | Helena (AA) | 10 | Skor Dekam Invite |
| 2:23.55 | Hadyn Garza | Helena (AA) | 12 | Western AA Divisional |
| 2:23.70 | Miel Newton | Glacier (AA) | 9 | Western AA Divisional |
| 2:23.77 | Izzy Lundstrom | Helena (AA) | 9 | Great Falls v Helena |
| 2:23.81 | Kate Lee | Helena (AA) | 11 | Great Falls/Helena Dual |
| 2:23.84 | Emmie Bermingham | Helena (AA) | 10 | Western AA Divisional |
| 2:23.99 | Stella Damyanovich | Great Falls CMR (AA) | 9 | Eastern AA Divisional |
| 2:24.27 | Claire Jensen | Flathead (AA) | 12 | Western AA Divisional |
| 2:24.44 | Josie Wilson | Flathead (AA) | 12 | MCPS Invitational |
| 2:25.27 | Olivia Pfile | Great Falls (AA) | 12 | Eastern AA Divisional |
| 2:25.29 | Emma Marshal | Missoula Big Sky (AA) | 11 | Western AA Divisional |
| 2:25.32 | Emery Eash | Flathead (AA) | 9 | Western AA Divisional |
| 2:25.51 | Mia Rodriguez | Billings West (AA) | 11 | Eastern AA Divisional |
| 2:26.21 | Ali Schowengerdt | Missoula Big Sky (AA) | 10 | Missoula "Greg Rice" City Meet |
| 2:26.40 | Elisabeth Coburn | Helena (AA) | 10 | MCPS Invitational |
| 2:27.32 | Willa Bookwalter | Missoula Hellgate (AA) | 9 | Hellgate/Sentinel/Flathead Tri |
| 2:27.35 | Elisabeth Coburn | Helena (AA) | 10 | Western AA Divisional |
| 2:27.54 | Sophia Houchin | Butte (AA) | 8 | Western AA Divisional |
| 2:27.61 | Gwendalyn Clingan | Belgrade (AA) | 12 | Eastern AA Divisional |
| 2:27.87 | Cecilia Knight | Missoula Hellgate (AA) | 11 | Missoula "Greg Rice" City Meet |
| 2:27.95 | Grace Marshal | Missoula Big Sky (AA) | 11 | Big Sky/Butte Dual |
| 2:27.99 | Adeline Osborne | Helena Capital (AA) | 10 | Helena Crosstown Meet |