| Mark | Athlete | School | Year | Meet |
|---|
| 12.06 | Jaeden Wolff | Billings West (AA) | 12 | Gary Benson Border War (WY) |
| 12.31 | Logan Todorovich | Helena (AA) | 10 | Helena-Great Falls-Jefferson Tri |
| 12.38 | Ave Roberts | Billings Skyview (AA) | 11 | Eastern AA Divisional |
| 12.45 | Jordan Cassidy | Belgrade (AA) | 12 | State AA |
| 12.58 | Mollee Conlan | Butte (AA) | 12 | State AA |
| 12.60 | Hailey Coey | Billings West (AA) | 12 | Eastern AA Divisional |
| 12.62 | Abby Thompson | Billings Senior (AA) | 10 | State AA |
| 12.62 | Hannah Moses | Missoula Hellgate (AA) | 11 | Great Falls Optimist Invite |
| 12.63 | Odessa Zentz | Helena (AA) | 12 | Capital-Big Sky-Helena Tri |
| 12.68 | Isabella Ping | Billings Senior (AA) | 10 | Eastern AA Divisional |
| 12.73 | Abigail MacDonald | Great Falls (AA) | 9 | Eastern AA Divisional |
| 12.80 | Halle Haber | Billings West (AA) | 10 | State AA |
| 12.82 | Natalia Antonucci | Gallatin (Bozeman) (AA) | 10 | Gallatin-Senior Dual |
| 12.84 | Brooklyn Ludemann | Missoula Big Sky (AA) | 10 | State AA |
| 12.89 | Sidney Kirsch | Bozeman (AA) | 10 | State AA |
| 12.95 | Noah Fincher | Glacier (AA) | 10 | Western AA Divisional |
| 12.95 | Hadlea Fred | Missoula Big Sky (AA) | 12 | Big Sky-Sentinel-Helena Tri |
| 12.98 | Taylee Chirrick | Billings West (AA) | 10 | Billings West Meet #1 |
| 12.99 | Lily McHood | Missoula Sentinel (AA) | 11 | State AA |
| 13.01 | Charlize Davis | Billings Skyview (AA) | 11 | Eastern AA Divisional |
| 13.01 | Ela Bloyder | Billings West (AA) | 11 | Billings West-CMR Dual |
| 13.03 | Layla Baumann | Billings West (AA) | 11 | Gallatin-Billings West-Belgrade Tri |
| 13.04 | Nevaeh Wetzel | Helena (AA) | 9 | Helena-Great Falls-Jefferson Tri |
| 13.09 | Kathryn Sheridan | Helena Capital (AA) | 10 | Helena Small Schools Meet |
| 13.10 | Kelcey Copping | Flathead (AA) | 11 | Flathead-Hellgate-Sentinel Tri |
| 13.11 | Lily McHood | Missoula Sentinel (AA) | 11 | Western AA Divisional |
| 13.11 | Mayiehl Shaw | Belgrade (AA) | | Eastern AA Divisional |
| 13.11 | Kaitlin Grossman | Billings West (AA) | 12 | Billings West-CMR Dual |