| Mark | Athlete | School | Year | Meet |
|---|
| 5:00.64 | Kaitlyn Skinner | Missoula Hellgate (AA) | 12 | State AA Championship |
| 5:01.51 | Isabel Ross | Gallatin (Bozeman) (AA) | 11 | State AA Championship |
| 5:01.74 | Sophia Miller | Missoula Hellgate (AA) | 12 | Archie Roe Invitational |
| 5:02.36 | Kylee Neil | Bozeman (AA) | 9 | State AA Championship |
| 5:03.87 | Claire Rutherford | Gallatin (Bozeman) (AA) | 11 | State AA Championship |
| 5:09.92 | Hazel Cooper | Gallatin (Bozeman) (AA) | 9 | State AA Championship |
| 5:11.93 | Jamison Molloy | Missoula Hellgate (AA) | 11 | Western AA Divisional |
| 5:13.71 | Lauren Bissen | Glacier (AA) | 9 | State AA Championship |
| 5:14.60 | Gia Petrini | Missoula Hellgate (AA) | 10 | Great Falls Optimist Meet |
| 5:16.46 | Mikenna Conan | Flathead (AA) | 12 | State AA Championship |
| 5:16.95 | Stella Diaz | Missoula Hellgate (AA) | 12 | Greg Rice City Meet |
| 5:19.14 | Kortney McKay | Helena (AA) | 9 | State AA Championship |
| 5:19.83 | Grace Stewart | Belgrade (AA) | 12 | State AA Championship |
| 5:21.05 | Tula Higman | Bozeman (AA) | 9 | State AA Championship |
| 5:21.48 | Kintla Thomas | Missoula Hellgate (AA) | 11 | State AA Championship |
| 5:21.62 | Josie Wilson | Flathead (AA) | 11 | Western AA Divisional |
| 5:25.00 | Isabella Determan | Gallatin (Bozeman) (AA) | 11 | Eastern AA Divisionals |
| 5:25.08 | Addison Hale | Billings West (AA) | 9 | State AA Championship |
| 5:25.83 | Alyssa Vollertsen | Glacier (AA) | 11 | State AA Championship |
| 5:26.92 | Izzy Waters | Bozeman (AA) | 9 | State AA Championship |
| 5:27.28 | Bailey Gable | Glacier (AA) | 12 | Western AA Divisional |
| 5:29.65 | Justine Pommerville | Belgrade (AA) | 12 | Last Chance Invite |
| 5:32.70 | Ali Schowengerdt | Missoula Big Sky (AA) | 9 | Russ Plicher Western Top 10 |
| 5:33.77 | Kate Lee | Helena (AA) | 10 | Helena Triangular |
| 5:34.09 | Lilli Rumsey Eash | Flathead (AA) | 12 | MCPS Invitational |
| 5:34.17 | Serena Sproles | Bozeman (AA) | 12 | Last Chance Invite |
| 5:34.98 | Brianna Plant | Helena (AA) | 12 | Big Sky Triangular 4/9 |
| 5:37.53 | Anna Tretter | Glacier (AA) | 11 | Glacier-Columbia Falls Dual |
| 5:37.54 | Audrey Baldwin | Missoula Hellgate (AA) | 12 | Big Sky Triangular 4/9 |
| 5:37.58 | Hayden Kline | Bozeman (AA) | 9 | Last Chance Invite |
| 5:37.67 | Ava Greenwell | Billings Skyview (AA) | 10 | Midland Roundtable Top 10 |
| 5:37.83 | Myla Spoon | Missoula Hellgate (AA) | 10 | Big Sky Triangular 4/9 |