| Mark | Athlete | School | Year | Meet |
|---|
| 5:06.10 | Claire Rutherford | Gallatin (Bozeman) (AA) | 10 | Skor DeKam Invite |
| 5:08.38 | Kaitlyn Skinner | Missoula Hellgate (AA) | 11 | State AA Championship |
| 5:12.47 | Jamison Molloy | Missoula Hellgate (AA) | 10 | State AA Championship |
| 5:14.47 | Rose Wiltse | Missoula Hellgate (AA) | 11 | Western AA Divisional |
| 5:17.42 | Grace Stewart | Belgrade (AA) | 11 | State AA Championship |
| 5:17.66 | Lucia McCormick | Bozeman (AA) | 12 | Belgrade Tri |
| 5:18.13 | Sophia Miller | Missoula Hellgate (AA) | 11 | State AA Championship |
| 5:18.79 | Stella Diaz | Missoula Hellgate (AA) | 11 | State AA Championship |
| 5:20.00 | Malia Bradford | Missoula Sentinel (AA) | 12 | State AA Championship |
| 5:20.53 | Hadley Brown | Bozeman (AA) | 10 | State AA Championship |
| 5:20.65 | Bailey Wride | Flathead (AA) | 12 | State AA Championship |
| 5:22.88 | Serena Sproles | Bozeman (AA) | 11 | Midland Roundtable Top 10 |
| 5:29.53 | Isabella Determan | Gallatin (Bozeman) (AA) | 10 | Bozeman Triangular |
| 5:30.66 | Alyssa Vollertsen | Glacier (AA) | 10 | Columbia Falls-Glacier Dual |
| 5:30.72 | Nomi Friedman | Bozeman (AA) | 11 | Bozeman Triangular |
| 5:31.52 | Lilli Rumsey Eash | Flathead (AA) | 11 | Russ Plicher Top 10 |
| 5:32.76 | Anna Tretter | Glacier (AA) | 10 | Columbia Falls-Glacier Dual |
| 5:33.14 | Clare Castleberry | Missoula Hellgate (AA) | 12 | Greg Rice City Meet |
| 5:34.94 | Tori Hedges | Great Falls CMR (AA) | 10 | Eastern AA Divisional |
| 5:35.02 | Alexis Brauer | Billings Skyview (AA) | 12 | Skyview-Belgrade Dual |
| 5:35.96 | Cadence Hatten | Helena Capital (AA) | 12 | Western AA Divisional |
| 5:37.00 | Katie Combs | Billings West (AA) | 12 | Billings Central Invite |
| 5:37.04 | Sarah Wheeler | Bozeman (AA) | 12 | Bozeman-West Dual |
| 5:37.11 | Emma Compton | Helena Capital (AA) | 12 | Helena Crosstown Meet |