| Mark | Athlete | School | Year | Meet |
|---|
| 12.13 | Ave Roberts | Billings Skyview (AA) | 12 | Midland Roundtable Top 10 |
| 12.13 | Jadyn VanDyken | Manhattan Christian (C) | 12 | Midland Roundtable Top 10 |
| 12.24 | Brooke Zetooney | Whitefish (A) | 11 | State A Championship |
| 12.33 | Claire Hutchison | Stevensville (A) | 12 | State A Championship |
| 12.35 | Brooke Reuter | Savage (C) | 11 | State C Championship |
| 12.35 | Ally Sempf | Columbia Falls (A) | 11 | State A Championship |
| 12.39 | Logan Todorovich | Helena (AA) | 11 | Helena-Hellgate Dual |
| 12.40 | Cori Coombe | Joliet (B) | 10 | Midland Roundtable Top 10 |
| 12.46 | Abby Thompson | Billings Senior (AA) | 11 | Midland Roundtable Top 10 |
| 12.49 | Myley Bronaugh | Billings Skyview (AA) | 9 | Midland Roundtable Top 10 |
| 12.52 | Isabelle Berry | Loyola Sacred Heart (B) | 11 | State B Championship |
| 12.55 | Rachael Wilmot | Whitefish (A) | 10 | State A Championship |
| 12.57 | Angel-lalelei Martin | Billings Skyview (AA) | 11 | Midland Roundtable Top 10 |
| 12.63 | Olivia Collins | Gallatin (Bozeman) (AA) | 12 | West-Gallatin Dual |
| 12.63 | Kelcey Copping | Flathead (AA) | 12 | Last Chance Triangular |
| 12.66 | Cambry Conradsen | Savage (C) | 10 | Eastern C Divisional |
| 12.67 | Josie Brown | Saco (C) | 11 | 3C Districts |
| 12.69 | Farah Wyche | Corvallis (A) | 10 | State A Championship |
| 12.71 | Kaydance Reiter | Havre (A) | 10 | Whitefish ARM Invitational |
| 12.71 | Grace Ekness | Shepherd (B) | 12 | Billings Skyview Small Schools Meet |
| 12.73 | Tandy Planichek | Absorakee (C) | 12 | State C Championship |
| 12.73 | Brynn Wandle | Huntley Project (B) | 11 | Midland Roundtable Top 10 |
| 12.74 | Natalia Antonucci | Gallatin (Bozeman) (AA) | 11 | Midland Roundtable Top 10 |
| 12.74 | Reghan Skogen | Helena (AA) | 11 | Helena Crosstown Meet |
| 12.77 | Brooklyn Ludemann | Missoula Big Sky (AA) | 11 | State AA Championship |
| 12.78 | Kaitlyn Dantic | Laurel (A) | 10 | State A Championship |
| 12.79 | Charlize Davis | Billings Skyview (AA) | 12 | Midland Roundtable Top 10 |
| 12.81 | Taylee Chirrick | Roberts (C) | 11 | Harlo/Park City Invite |
| 12.81 | Alivia Rinehart | Flathead (AA) | 10 | Western AA Divisional |
| 12.83 | Halle Haber | Billings West (AA) | 11 | Eastern AA Divisional |
| 12.84 | Hannah Moses | Missoula Hellgate (AA) | 12 | State AA Championship |
| 12.87 | Emery Peel | Billings Senior (AA) | 9 | Eastern AA Divisional |
| 12.88 | Sophia Darr | Gardiner (C) | 12 | State C Championship |
| 12.89 | Hailey Ells | Whitefish (A) | 11 | Russ Plicher Top 10 |
| 12.90 | Isabella Pereira | Superior (C) | 12 | Western C Divisional |
| 12.93 | Taylor Evans | Conrad (B) | 11 | Mustang Invitational |
| 12.94 | Ellie Aron | Highwood (C) | 12 | State C Championship |
| 12.94 | Malea Egan | Colstrip (B) | 12 | Billings Skyview Small Schools Meet |
| 12.98 | Nadia Bruno | Hamilton (A) | 10 | State A Championship |
| 12.99 | Kylie Konen | Beaverhead Co./Dillon (A) | 10 | East Helena Invite |
| 12.99 | Anneliese Bessette | Missoula Hellgate (AA) | 10 | Hellgate-Capital Dual |
| 12.99 | Ela Bloyder | Billings West (AA) | 12 | Billings Invitational |
| 13.00 | Camy Hoiland | Anaconda (B) | 10 | State B Championship |
| 13.00 | Clare Ronayne | Jefferson/Boulder (B) | 11 | 5B Districts |
| 13.00 | Mylia Fowler | Victor (C) | 9 | State C Championship |
| 13.00 | Nora Frame | Missoula Sentinel (AA) | 10 | Russ Plicher Top 10 |
| 13.01 | Maxine Hoagland | Whitehall (B) | 12 | State B Championship |
| 13.01 | Cadence Ferreira | Gallatin (Bozeman) (AA) | 11 | Eastern AA Divisional |
| 13.02 | Demry Boyd | Billings West (AA) | 9 | West-Skyview Dual |
| 13.02 | Macy Brandon | Havre (A) | 9 | State A Championship |
| 13.03 | Jenna Ellis | Hamilton (A) | 9 | MCPS Invite |
| 13.04 | Kendall Wahl | Billings Central (A) | 12 | State A Championship |
| 13.06 | Claire Bucklin | Sunburst (C) | 11 | State C Championship |
| 13.06 | Noah Fincher | Glacier (AA) | 11 | Glacier-Sentinel Dual |
| 13.07 | Layla Baumann | Billings West (AA) | 12 | West-Skyview Dual |
| 13.07 | Sofia Szollosi | Missoula Hellgate (AA) | 10 | Hellgate-Capital Dual |
| 13.10 | Montannah Piar | Granite/Philipsburg (C) | 10 | State C Championship |
| 13.10 | Hazel Bishop | Helena (AA) | 9 | Helena Crosstown Meet |
| 13.11 | Isabella Donaghey | Gallatin (Bozeman) (AA) | 9 | West-Gallatin Dual |
| 13.13 | Jane Harrison | Dawson Co./Glendive (A) | 11 | State A Championship |
| 13.13 | Ela Harber | Havre (A) | 9 | Whitefish ARM Invitational |
| 13.14 | Havyn Vandenacre | Broadwater/Townsend (B) | 11 | District 5B |
| 13.15 | Stephanie Anderson | Cut Bank (B) | 12 | 1B Districts |
| 13.15 | Lily McHood | Missoula Sentinel (AA) | 12 | Glacier-Sentinel Dual |
| 13.15 | Scotland Jones | Bozeman (AA) | 9 | Bozeman Crosstown Dual |
| 13.15 | Saraya Afrank | Baker (B) | 11 | State B Championship |