| Mark | Athlete | School | Year | Meet |
|---|
| 12.34 | Deni Fitzpatrick | Cut Bank (B) | | Cal Wearley Meet |
| 12.44 | Morgan Braby | Missoula Big Sky (AA) | | State AA Track Meet |
| 12.45 | Chloe Kanning | Billings Senior (AA) | | State AA Track Meet |
| 12.49 | Katie DuCharme | Baker (B) | 10 | Wibaux Invitational |
| 12.65 | Anna Weber | Great Falls CMR (AA) | 10 | State AA Track Meet |
| 12.71 | Sadi Henderson | Corvallis (A) | 9 | Bob Reed Invitational |
| 12.75 | Amanda Foley | Whitefish (A) | 12 | State A Track Meet |
| 12.76 | Shayla Mack | Three Forks (B) | 12 | Belgrade Meet |
| 12.78 | Brianna Eaton | Billings Senior (AA) | | Skor-DeKam Invitational |
| 12.79 | Kelsi Almond | Hamilton (A) | | State A Track Meet |
| 12.80 | Danielle Muri | Billings West (AA) | | Billings Invitational |
| 12.80 | Morgan Klose | Fairview (C) | | State C Track Meet |
| 12.80 | Elsa Janney | Butte (AA) | | Skor-DeKam Invitational |
| 12.81 | Callie Kanthack | Helena (AA) | 9 | Skor-DeKam Invitational |
| 12.83 | Marlow Schulz | Whitefish (A) | 9 | Northwest A Divisional |
| 12.86 | Haley Gellner | Billings Skyview (AA) | 9 | State AA Track Meet |
| 12.88 | Becky Bishop | Three Forks (B) | 10 | Belgrade Meet |
| 12.92 | Faith Kjelstrup | Dawson County/Glendive (A) | 12 | State A Track Meet |
| 12.93 | Sadi Henderson | Corvallis (A) | | Southwest A Divisional |
| 12.93 | Anna DiGiallonardo | Polson (A) | 12 | Corvallis Last Chance Meet |
| 12.94 | Morgan Sulser | Billings Senior (AA) | 9 | State AA Track Meet |
| 12.97 | Tess Brenneman | Flathead (AA) | 12 | Missoula Hellgate Triangular |
| 13.00 | Blair Street | Shields Valley (C) | | State C Track Meet |