| Mark | Athlete | School | Year | Meet |
|---|
| 14.40 | Alivia Rinehart | Flathead (AA) | 12 | Russ Plicher Western Top 10 |
| 14.90 | Sophia Berry | Loyola Sacred Heart (B) | 10 | Western B/C Divisional |
| 14.99 | Madigan Hurlbert | Florence-Carlton (B) | 10 | Archie Roe Invitational |
| 15.05 | Allison Gama | Loyola Sacred Heart (B) | 10 | Western B/C Divisional |
| 15.16 | Scarlet Harris | Great Falls (AA) | 10 | Great Falls/Skyview Dual |
| 15.46 | Isabella Grutsch | Missoula Big Sky (AA) | 12 | Russ Plicher Western Top 10 |
| 15.47 | Madilyn Todorovich | Helena (AA) | 12 | Skor Dekam Invite |
| 15.57 | Anita Black | Gallatin (Bozeman) (AA) | 11 | Bozeman Crosstown Dual |
| 15.58 | Bristol Lenz | Flathead (AA) | 11 | MCPS Invitational |
| 15.62 | Jolee Klempel | Richey-Lambert (C) | 10 | Eastern C Divisional |
| 15.67 | Delainey Engen | Billings West (AA) | 12 | Billings City Meet |
| 15.72 | Brynn Wiening | Belgrade (AA) | 10 | Eastern AA Divisional |
| 15.81 | Reagan Johnstone | Stevensville (A) | 9 | Russ Plicher Western Top 10 |
| 15.83 | Perri Sloan | Custer Co./Miles City (A) | 10 | Sidney Twilight Meet |
| 15.91 | Emme Burckley | Billings Senior (AA) | 11 | Billings City Meet |
| 16.04 | Gracelee Banna | Missoula Big Sky (AA) | 12 | Western AA Divisional |
| 16.05 | Riley McCoy | Beaverhead Co./Dillon (A) | 12 | Western A Divisional |
| 16.06 | Scarlett Jones | Frenchtown (A) | 10 | Frenchtown Quadrangular |
| 16.09 | Mady Willis | Scobey (C) | 12 | Eastern C Divisional |
| 16.10 | Blythe Armstrong | Fergus/Lewistown (A) | 11 | Eastern A Divisional |
| 16.12 | Ginger Bergland | Whitefish (A) | 9 | Whitefish ARM Invitational |
| 16.15 | Aizalyn Flaten | Great Falls (AA) | 11 | Eastern AA Divisional |
| 16.16 | Amelia Pulaski | Bozeman (AA) | 10 | Eastern AA Divisional |
| 16.20 | Ava White | Superior (B) | 9 | 7B District Meet |
| 16.25 | Grace Hicks | Fergus/Lewistown (A) | 11 | Eastern A Divisional |
| 16.28 | Avery Stulc | Billings Senior (AA) | 9 | Eastern AA Divisional |
| 16.32 | Holly Newman | Broadwater/Townsend (B) | 11 | 5B/12C District Meet |
| 16.36 | Pelea Sagato | Missoula Big Sky (AA) | 11 | Western AA Divisional |
| 16.37 | Kate Nasner | Circle (C) | 8 | Norm Girard Top 10 Track Meet |
| 16.39 | Lainie Grensten | Missoula Sentinel (AA) | 10 | Missoula "Greg Rice" City Meet |
| 16.42 | Angeline Riener | Fort Benton (C) | 12 | Choteau Twilight Meet |
| 16.45 | Fayth Clarno | Beaverhead Co./Dillon (A) | 12 | Western A Divisional |
| 16.47 | Talyn Draayer | Billings West (AA) | 10 | Billings City Meet |
| 16.55 | Kate Allen | Corvallis (A) | 10 | Ravalli County Invitational |
| 16.55 | Cadence Graham | Butte (AA) | 10 | Western AA Divisional |
| 16.56 | Mykala Zender | Great Falls CMR (AA) | 11 | Skor Dekam Invite |
| 16.57 | Bridget Reed | Turner (C) | 11 | Northern C Divisional |
| 16.57 | June Lay | Helena Capital (AA) | 11 | Capital/CMR Dual |
| 16.59 | Reine McCoy | Beaverhead Co./Dillon (A) | 10 | Sapphire Twilight Meet |
| 16.60 | Diane Cook | Helena (AA) | 10 | Western AA Divisional |
| 16.63 | Sarah Windy Boy | Huntley Project (B) | 10 | Al Walker Memorial Meet |
| 16.67 | Kalli Tuma | Plains (B) | 11 | 7B District Meet |
| 16.69 | Addison Roush | Helena (AA) | 12 | Western AA Divisional |
| 16.70 | Natalie Anderson | Darby (B) | 11 | Western B/C Divisional |
| 16.72 | Hayden Wiening | Belgrade (AA) | 11 | Eastern AA Divisional |
| 16.77 | Nicki Swandal | Shields Valley (C) | 10 | 5B/12C District Meet |
| 16.80 | Ava Graham | Beaverhead Co./Dillon (A) | 12 | Nelson-Thomas ABC Meet |
| 16.80 | Bella Cash-Rich | Manhattan Christian (C) | 10 | 5B/12C District Meet |
| 16.80 | Hadley Whited | Helena Capital (AA) | 11 | Helena Crosstown Meet |
| 16.80 | Alli Glasscock | Custer Co./Miles City (A) | 12 | Eastern A Divisional |