| Mark | Athlete | School | Year | Meet |
|---|
| 4:54.80 | Paige Gilchrist | Missoula Hellgate (AA) | 12 | Western AA Divisional |
| 4:59.43 | Christina Aragon | Billings Senior (AA) | 9 | State AA |
| 5:06.75 | Carly Smiedala | Helena (AA) | 9 | State AA |
| 5:08.11 | Leah Esposito | Helena (AA) | 12 | State AA |
| 5:08.50 | Taylor Grove | Billings West (AA) | 10 | State AA |
| 5:09.16 | Keegan Day | Billings Skyview (AA) | 10 | State AA |
| 5:10.27 | Kennedy Robbins | Billings Skyview (AA) | 12 | 5/4 Skyview Triangular |
| 5:19.70 | Jocelyn Elorriaga | Billings Senior (AA) | 11 | State AA |
| 5:20.76 | Haley Rogers | Missoula Sentinel (AA) | 10 | State AA |
| 5:21.00 | Bridget Creel | Bozeman (AA) | 10 | Midland Roundtable Top 10 Meet |
| 5:21.69 | Patricia Martin | Helena (AA) | 9 | State AA |
| 5:21.75 | Sadie Reddick | Belgrade (AA) | 11 | State A |
| 5:23.37 | Cambria Hassell | Great Falls CMR (AA) | 10 | State AA |
| 5:24.38 | Caroline Hardin | Bozeman (AA) | 11 | Helena Quad |
| 5:25.06 | Cate Hanna | Billings West (AA) | 12 | Billings City Meet |
| 5:25.41 | Andie Creel | Bozeman (AA) | 11 | Midland Roundtable Top 10 Meet |
| 5:26.10 | Hamilton Corinne | Glacier (AA) | 9 | Western AA Divisional |
| 5:27.30 | Emily Sterbis | Missoula Big Sky (AA) | 12 | Western AA Divisional |
| 5:28.10 | Miranda Champion | Glacier (AA) | | Western AA Divisional |
| 5:29.00 | Anna Deleray | Glacier (AA) | 12 | Whitefish A.R.M. Invitational |
| 5:33.82 | Maddie Powers | Bozeman (AA) | 9 | Eastern AA Divisional |
| 5:36.70 | Allison Monahan | Missoula Hellgate (AA) | 9 | Western AA Divisional |
| 5:36.87 | Malika Arnold | Bozeman (AA) | 11 | 5/4 Skyview Triangular |
| 5:37.61 | Ellen Ipsen | Missoula Hellgate (AA) | 12 | Greg Rice City Meet |