| Mark | Athlete | School | Year | Meet |
|---|
| 12.34 | Brooke Endy | Billings West (AA) | 12 | Eastern AA Divisionals |
| 12.40 | Maddie Brockel | Billings West (AA) | 10 | Eastern AA Divisionals |
| 12.41 | Shae Helterbran | Billings West (AA) | 11 | Eastern AA Divisionals |
| 12.45 | Morgan Evans | Great Falls (AA) | 11 | Eastern AA Divisionals |
| 12.49 | Hannah Coburn | Missoula Big Sky (AA) | 12 | State AA |
| 12.54 | Anna Beck | Billings Skyview (AA) | 12 | Eastern AA Divisionals |
| 12.56 | Hannah Kearns | Missoula Big Sky (AA) | 12 | Western AA Divisional |
| 12.56 | Hannah Collins | Great Falls (AA) | 11 | Eastern AA Divisionals |
| 12.57 | Janae Bjorgum | Billings West (AA) | 12 | Eastern AA Divisionals |
| 12.59 | Cali Modglin | Great Falls CMR (AA) | 11 | Eastern AA Divisionals |
| 12.60 | Shelby Schweyen | Missoula Sentinel (AA) | 9 | Butte Invite |
| 12.66 | Jaree Mane | Fergus/Lewistown (A) | 12 | Eastern A Divisional |
| 12.67 | Allie Baldwin-Case | Missoula Sentinel (AA) | 10 | Butte Invite |
| 12.67 | Payge Durocher | Choteau (B) | 11 | 1B Districts |
| 12.67 | Allie Schulz | Whitefish (A) | 12 | Flathead-Whitefish Dual |
| 12.79 | Taylor Ludwig | Laurel (A) | 11 | State A |
| 12.79 | Brook Kolar | Loyola Sacred Heart (B) | 12 | 6B Districts |
| 12.82 | Michaela Johnson | Billings West (AA) | 12 | Helena Skor/DeKam Invitational |
| 12.83 | Mary Baker | Columbia Falls (A) | 12 | State A |
| 12.84 | Claire Fickler | Drummond (C) | 11 | State C |
| 12.86 | Alexa Arthun | Manhattan (B) | 11 | Butte Invite |
| 12.87 | Mahlea Hopkins | Bozeman (AA) | 11 | Bozeman vs Billings Senior |
| 12.88 | Maddisen Merema | Shepherd (B) | 9 | MidLand Round Table Top Ten |
| 12.88 | Elena Carter | Helena Capital (AA) | 10 | Great Falls Optimist Invitational |
| 12.89 | Ashley Revis | Saint Regis (C) | 10 | State C |
| 12.91 | Audrey Bloomquist | Helena Capital (AA) | 9 | Western AA Divisional |
| 12.92 | Olivia Romei | Billings Senior (AA) | 11 | MidLand Round Table Top Ten |
| 12.92 | Penny Jessop | Corvallis (A) | 11 | State A |
| 12.93 | Whitney McGree | Butte Central (A) | 12 | Butte Invite |
| 12.95 | Alex Simensen | Glasgow (B) | 12 | District 2-B |
| 12.95 | Parker Edwins | Belgrade (AA) | 11 | Eastern A Super Divisionals |
| 12.96 | Jenn Mickelson | Missoula Sentinel (AA) | 11 | Western AA Divisional |
| 12.97 | Kailey Springer | Bozeman (AA) | 11 | Bozeman vs Butte |
| 12.98 | Syd Steele | Missoula Sentinel (AA) | 11 | Butte Invite |
| 12.99 | Mar Sorini | Butte (AA) | 11 | Bozeman vs Butte |
| 12.99 | Ally Martin | Harlowton (C) | 11 | Park City/Harlowton Invitational |
| 12.99 | Adrian Schnee | Glacier (AA) | 10 | Nicosia Columbia Falls Glacier Dual |
| 13.00 | Bailey Chappell | Glasgow (B) | 10 | MHSA Class B Championships |
| 13.00 | Naomi Terry | Havre (A) | 11 | Havre Quad |
| 13.02 | Maddy Thompson | Fort Benton (C) | 10 | State C |
| 13.05 | Olivia Burgad | Missoula Sentinel (AA) | 12 | Western AA Divisional |
| 13.05 | Alex Bohlman | Seeley-Swan (C) | 11 | State C |
| 13.06 | Lydia Bowman | Polson (A) | 12 | Western A Divisionals |
| 13.06 | Parker Sanford | Great Falls (AA) | 9 | Eastern AA Divisionals |
| 13.06 | Wrenzi Wrzesinski | Ennis (B) | 9 | 13C Districts |
| 13.07 | Kailey Kleinjan | Chinook (B) | 12 | Northern C Divisional |
| 13.08 | Haile Norred | Bigfork (A) | 10 | State B |
| 13.09 | Sarah Kronner | Missoula Hellgate (AA) | 9 | Western AA Divisional |
| 13.10 | Madison Marlinee | Billings West (AA) | 11 | Eastern AA Divisionals |
| 13.10 | Ginny Meissner | Belt (C) | 12 | Northern C Divisional |
| 13.11 | Paige Harris | Plentywood (B) | 12 | Eastern C Divisional |
| 13.11 | Katharina Gruhler | Missoula Hellgate (AA) | 10 | Western AA Divisional |
| 13.12 | Savannah Stern | Choteau (B) | 11 | 1B Districts |
| 13.12 | Mallory Repscher | Bozeman (AA) | 9 | Bozeman vs Butte |
| 13.12 | Gabbie Parini | Butte (AA) | 9 | Bozeman vs Butte |
| 13.13 | Ginny Meissner | Belt (C) | 12 | Northern C Divisional |
| 13.14 | Alexandra Lynch | Bozeman (AA) | 11 | Helena Skor/DeKam Invitational |