| Mark | Athlete | School | Year | Meet |
|---|
| 12.34 | Brooke Endy | Billings West (AA) | 12 | Eastern AA Divisionals |
| 12.40 | Maddie Brockel | Billings West (AA) | 10 | Eastern AA Divisionals |
| 12.41 | Shae Helterbran | Billings West (AA) | 11 | Eastern AA Divisionals |
| 12.45 | Morgan Evans | Great Falls (AA) | 11 | Eastern AA Divisionals |
| 12.49 | Hannah Coburn | Missoula Big Sky (AA) | 12 | State AA |
| 12.54 | Anna Beck | Billings Skyview (AA) | 12 | Eastern AA Divisionals |
| 12.56 | Hannah Kearns | Missoula Big Sky (AA) | 12 | Western AA Divisional |
| 12.56 | Hannah Collins | Great Falls (AA) | 11 | Eastern AA Divisionals |
| 12.57 | Janae Bjorgum | Billings West (AA) | 12 | Eastern AA Divisionals |
| 12.59 | Cali Modglin | Great Falls CMR (AA) | 11 | Eastern AA Divisionals |
| 12.60 | Shelby Schweyen | Missoula Sentinel (AA) | 9 | Butte Invite |
| 12.67 | Allie Baldwin-Case | Missoula Sentinel (AA) | 10 | Butte Invite |
| 12.82 | Michaela Johnson | Billings West (AA) | 12 | Helena Skor/DeKam Invitational |
| 12.87 | Mahlea Hopkins | Bozeman (AA) | 11 | Bozeman vs Billings Senior |
| 12.88 | Elena Carter | Helena Capital (AA) | 10 | Great Falls Optimist Invitational |
| 12.91 | Audrey Bloomquist | Helena Capital (AA) | 9 | Western AA Divisional |
| 12.92 | Olivia Romei | Billings Senior (AA) | 11 | MidLand Round Table Top Ten |
| 12.95 | Parker Edwins | Belgrade (AA) | 11 | Eastern A Super Divisionals |
| 12.96 | Jenn Mickelson | Missoula Sentinel (AA) | 11 | Western AA Divisional |
| 12.97 | Kailey Springer | Bozeman (AA) | 11 | Bozeman vs Butte |
| 12.98 | Syd Steele | Missoula Sentinel (AA) | 11 | Butte Invite |
| 12.99 | Mar Sorini | Butte (AA) | 11 | Bozeman vs Butte |
| 12.99 | Adrian Schnee | Glacier (AA) | 10 | Nicosia Columbia Falls Glacier Dual |
| 13.05 | Olivia Burgad | Missoula Sentinel (AA) | 12 | Western AA Divisional |
| 13.06 | Parker Sanford | Great Falls (AA) | 9 | Eastern AA Divisionals |
| 13.09 | Sarah Kronner | Missoula Hellgate (AA) | 9 | Western AA Divisional |
| 13.10 | Madison Marlinee | Billings West (AA) | 11 | Eastern AA Divisionals |
| 13.11 | Katharina Gruhler | Missoula Hellgate (AA) | 10 | Western AA Divisional |
| 13.12 | Mallory Repscher | Bozeman (AA) | 9 | Bozeman vs Butte |
| 13.12 | Gabbie Parini | Butte (AA) | 9 | Bozeman vs Butte |
| 13.14 | Alexandra Lynch | Bozeman (AA) | 11 | Helena Skor/DeKam Invitational |