| 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 |
| 12.42 | Marlow Schulz | Whitefish (A) | 11 | Northwestern A Divisional |
| 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 |
| 12.70 | Brianna Gray | Park City (B) | 10 | Southern C Divisional |
| 12.71 | Sadi Henderson | Corvallis (A) | 11 | Southwestern A Divisional |
| 12.72 | Jaree Mane | Fergus/Lewistown (A) | 9 | Gallatin Valley Invitational |
| 12.72 | Hannah Porch | Florence-Carlton (B) | 10 | State B |
| 12.73 | Ashley Olson | Plentywood (B) | 12 | 2B Districts |
| 12.74 | Tess Porch | Florence-Carlton (B) | 11 | Florence-Darby Invitational |
| 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 |
| 12.82 | Tru Roginske | Joliet (B) | 10 | State B |
| 12.82 | Anna DiGiallonardo | Polson (A) | 12 | Archie Roe Invitational |
| 12.83 | Nicole Stroot | Superior (C) | 12 | State C |
| 12.84 | Alyssa Espinoza | Billings West (AA) | 12 | Billings West Invitational |
| 12.90 | Shaina Healey | Billings Central (A) | 12 | Gallatin Valley Invitational |
| 12.90 | Keila Smith | Sheridan (C) | 9 | State C |
| 12.93 | Megan Hawkins | Park/Livingston (A) | 11 | Gallatin Valley Invitational |
| 12.94 | Mariah Wittman | Billings Central (A) | 9 | Billings West Invitational |
| 12.97 | Debra Griebel | Glasgow (B) | 12 | 2B Districts |
| 12.97 | Courtney Stromme | Belgrade (AA) | 11 | Central A Divisional |
| 12.98 | Brooke Endy | Billings West (AA) | 9 | Skor-DeKam Invitational |
| 12.99 | Tiffany Poore | Red Lodge (B) | 9 | 4B Districts |