| Mark | Athlete | School | Year | Meet |
|---|
| 12.27 | Delaney Bahn | Bozeman (AA) | 12 | Skor DeKam |
| 12.42 | Maddie Albrecht | Billings West (AA) | 11 | State AA |
| 12.46 | Audrey Bloomquist | Helena Capital (AA) | 12 | Western AA Divisional |
| 12.51 | Willa Albrecht | Billings West (AA) | 11 | Eastern AA Divisionals |
| 12.52 | Emilie Maes | Helena (AA) | 12 | Skor DeKam |
| 12.73 | Emily Ratz | Missoula Hellgate (AA) | 10 | State AA |
| 12.76 | Jessica Barnhart | Flathead (AA) | 11 | Western AA Divisional |
| 12.79 | Leigha Carter | Helena Capital (AA) | 11 | Helena/Capital Crosstown |
| 12.89 | Odessa Zentz | Helena (AA) | 9 | Helena/Capital Crosstown |
| 12.90 | Maliea Owens | Billings Skyview (AA) | 9 | Billings City Meet |
| 12.92 | Jaeden Wolff | Billings West (AA) | 9 | Eastern AA Divisionals |
| 12.98 | Mikayla Shinn | Flathead (AA) | 12 | State AA |
| 12.98 | Grace Denman | Missoula Big Sky (AA) | 10 | Capital/Great Falls/Big Sky Tri |
| 12.99 | Parker Sanford | Great Falls (AA) | 12 | Bozeman Quadrangular |
| 13.02 | Mollee Conlan | Butte (AA) | 9 | Eastern AA Divisionals |
| 13.04 | Hadlea Fred | Missoula Big Sky (AA) | 9 | Western AA Divisional |
| 13.07 | Sabryn Knight | Missoula Big Sky (AA) | 10 | Western AA Divisional |
| 13.08 | Dalani Brayton | Belgrade (AA) | 10 | Bozeman Quadrangular |
| 13.11 | Bella Pacheco | Belgrade (AA) | 10 | Belgrade Senior Night |
| 13.11 | Kennedy Kanter | Flathead (AA) | 11 | Flathead-Whitefish Dual #2 |
| 13.11 | Faith Brennan | Glacier (AA) | 11 | Glacier v. Columbia Falls |
| 13.15 | Gabbie Parini | Butte (AA) | 12 | Eastern AA Divisionals |