| Mark | Athlete | School | Year | Meet |
|---|
| 12.13 | Ave Roberts | Billings Skyview (AA) | 12 | Midland Roundtable Top 10 |
| 12.39 | Logan Todorovich | Helena (AA) | 11 | Helena-Hellgate Dual |
| 12.46 | Abby Thompson | Billings Senior (AA) | 11 | Midland Roundtable Top 10 |
| 12.49 | Myley Bronaugh | Billings Skyview (AA) | 9 | Midland Roundtable Top 10 |
| 12.57 | Angel-lalelei Martin | Billings Skyview (AA) | 11 | Midland Roundtable Top 10 |
| 12.63 | Olivia Collins | Gallatin (Bozeman) (AA) | 12 | West-Gallatin Dual |
| 12.63 | Kelcey Copping | Flathead (AA) | 12 | Last Chance Triangular |
| 12.74 | Natalia Antonucci | Gallatin (Bozeman) (AA) | 11 | Midland Roundtable Top 10 |
| 12.74 | Reghan Skogen | Helena (AA) | 11 | Helena Crosstown Meet |
| 12.77 | Brooklyn Ludemann | Missoula Big Sky (AA) | 11 | State AA Championship |
| 12.79 | Charlize Davis | Billings Skyview (AA) | 12 | Midland Roundtable Top 10 |
| 12.81 | Alivia Rinehart | Flathead (AA) | 10 | Western AA Divisional |
| 12.83 | Halle Haber | Billings West (AA) | 11 | Eastern AA Divisional |
| 12.84 | Hannah Moses | Missoula Hellgate (AA) | 12 | State AA Championship |
| 12.87 | Emery Peel | Billings Senior (AA) | 9 | Eastern AA Divisional |
| 12.99 | Anneliese Bessette | Missoula Hellgate (AA) | 10 | Hellgate-Capital Dual |
| 12.99 | Ela Bloyder | Billings West (AA) | 12 | Billings Invitational |
| 13.00 | Nora Frame | Missoula Sentinel (AA) | 10 | Russ Plicher Top 10 |
| 13.01 | Cadence Ferreira | Gallatin (Bozeman) (AA) | 11 | Eastern AA Divisional |
| 13.02 | Demry Boyd | Billings West (AA) | 9 | West-Skyview Dual |
| 13.06 | Noah Fincher | Glacier (AA) | 11 | Glacier-Sentinel Dual |
| 13.07 | Layla Baumann | Billings West (AA) | 12 | West-Skyview Dual |
| 13.07 | Sofia Szollosi | Missoula Hellgate (AA) | 10 | Hellgate-Capital Dual |
| 13.10 | Hazel Bishop | Helena (AA) | 9 | Helena Crosstown Meet |
| 13.11 | Isabella Donaghey | Gallatin (Bozeman) (AA) | 9 | West-Gallatin Dual |
| 13.15 | Lily McHood | Missoula Sentinel (AA) | 12 | Glacier-Sentinel Dual |
| 13.15 | Scotland Jones | Bozeman (AA) | 9 | Bozeman Crosstown Dual |