| Mark | Athlete | School | Year | Meet |
|---|
| 12.18 | Anna Weber | Great Falls CMR (AA) | 12 | Skor-DeKam Invitational |
| 12.40 | Callie Kanthack | Helena (AA) | 11 | Helena Quad |
| 12.45 | Chloe Rector | Billings Senior (AA) | 12 | Midland Roundtable Top 10 Meet |
| 12.46 | Haley Gellner | Billings Skyview (AA) | 11 | Midland Roundtable Top 10 Meet |
| 12.48 | Morgan Sulser | Billings Senior (AA) | 11 | State AA |
| 12.53 | Dani Davis | Flathead (AA) | 12 | State AA |
| 12.59 | Anna Jarrett | Missoula Big Sky (AA) | 11 | State AA |
| 12.63 | Hannah Coburn | Missoula Big Sky (AA) | 9 | State AA |
| 12.76 | Anne Lory Chevalier | Billings Skyview (AA) | 12 | State AA |
| 12.79 | Kenzie Wingard | Missoula Hellgate (AA) | 9 | State AA |
| 12.80 | McKenzie Weber | Great Falls CMR (AA) | 12 | Skor-DeKam Invitational |
| 12.84 | Alyssa Espinoza | Billings West (AA) | 12 | Billings West Invitational |
| 12.97 | Courtney Stromme | Belgrade (AA) | 11 | Central A Divisional |
| 12.98 | Brooke Endy | Billings West (AA) | 9 | Skor-DeKam Invitational |