| Mark | Athlete | School | Year | Meet |
|---|
| 12.35 | Maddie Brockel | Billings West (AA) | 9 | State AA |
| 12.41 | Morgan Evans | Great Falls (AA) | 10 | State AA |
| 12.44 | Hannah Porch | Missoula Big Sky (AA) | 12 | State AA |
| 12.48 | Cali Modglin | Great Falls CMR (AA) | 10 | State AA |
| 12.60 | Hannah Coburn | Missoula Big Sky (AA) | 11 | Greg Rice Missoula City Meet |
| 12.61 | Caylin Cathey | Billings Skyview (AA) | 12 | State AA |
| 12.62 | Monica White | Flathead (AA) | 12 | State AA |
| 12.63 | Anna Beck | Billings Skyview (AA) | 11 | State AA |
| 12.72 | Jacey Delaney | Bozeman (AA) | 12 | State AA |
| 12.74 | Maddie Orrell | Belgrade (AA) | 12 | John Tomich Invitational |
| 12.74 | Mahlea Hopkins | Bozeman (AA) | 10 | Eastern AA Divisional |
| 12.77 | Elena Carter | Helena Capital (AA) | 9 | Helena Quadrangular |
| 12.86 | Tiffani Finley | Billings Senior (AA) | 12 | Gary Benson Border Wars (WY) |
| 12.90 | Alexandra Lynch | Bozeman (AA) | 10 | Valley Meet |
| 12.94 | Sydney Blain | Billings Senior (AA) | 9 | Yellowstone Bank Freshman Invitational |
| 13.00 | Hannah Collins | Great Falls (AA) | 10 | Great Falls Optimist Invitational |
| 13.02 | Olivia Burgad | Missoula Sentinel (AA) | 11 | State AA |
| 13.04 | Olivia Romei | Billings Senior (AA) | 10 | Gary Benson Border Wars (WY) |
| 13.04 | Brooke Endy | Billings West (AA) | 11 | Eastern AA Divisional |
| 13.05 | Caitlin Sexton | Great Falls CMR (AA) | 11 | CMR-Helena Dual |
| 13.10 | Hannah Kearns | Missoula Big Sky (AA) | 11 | Belgrade Quad |
| 13.14 | Jenn Mickelson | Missoula Sentinel (AA) | 10 | State AA |