| Mark | Athlete | School | Year | Meet |
|---|
| 12.04 | Brooke Zetooney | Whitefish (A) | 12 | Nelson-Thomas ABC Meet |
| 12.06 | Logan Todorovich | Helena (AA) | 12 | State AA Championship |
| 12.16 | Kaydance Reiter | Havre (A) | 11 | Nelson-Thomas ABC Meet |
| 12.25 | Isabelle Berry | Loyola Sacred Heart (B) | 12 | Western B Divisional |
| 12.31 | Kaitlyn Dantic | Laurel (A) | 11 | Gold Strike Invitational |
| 12.31 | Angel-lalelei Martin | Billings Skyview (AA) | 12 | Eastern AA Divisional |
| 12.33 | Sofia Szollosi | Missoula Hellgate (AA) | 11 | State AA Championship |
| 12.34 | Brooke Reuter | Savage (C) | 12 | State C Championship |
| 12.34 | Rachael Wilmot | Whitefish (A) | 11 | State A Championship |
| 12.38 | Cambry Conradsen | Savage (C) | 11 | Glendive Shriners Invitational |
| 12.39 | Emery Peel | Billings Senior (AA) | 10 | Eastern AA Divisional |
| 12.48 | Demry Boyd | Billings West (AA) | 10 | Eastern AA Divisional |
| 12.51 | Myley Bronaugh | Billings Skyview (AA) | 10 | Eastern AA Divisional |
| 12.52 | Brooklyn Ludemann | Missoula Big Sky (AA) | 12 | State C Championship |
| 12.57 | Scarlet Harris | Great Falls (AA) | 9 | Eastern AA Divisional |
| 12.58 | Kaimea Dalke | Shepherd (B) | 10 | State B Championship |
| 12.60 | Reghan Skogen | Helena (AA) | 12 | State AA Championship |
| 12.62 | Abigail MacDonald | Great Falls (AA) | 11 | Great Falls Triangular |
| 12.62 | Brynn Wandle | Huntley Project (B) | 12 | 3B Districts |
| 12.62 | Macy Brandon | Havre (A) | 10 | Eastern A Divisional |
| 12.64 | Scotland Jones | Bozeman (AA) | 10 | Eastern AA Divisional |
| 12.66 | Alayna Hurd | Billings West (AA) | 11 | Eastern AA Divisional |
| 12.66 | Cori Coombe | Joliet (B) | 11 | Harlo/Park City Meet |
| 12.67 | Abby Thompson | Billings Senior (AA) | 12 | Billings City Meet |
| 12.67 | Blake Hardy | Frenchtown (A) | 9 | Nelson-Thomas ABC Meet |
| 12.69 | Sophia Berry | Loyola Sacred Heart (B) | 9 | Western B Divisional |
| 12.69 | Hailey Ells | Whitefish (A) | 12 | Nelson-Thomas ABC Meet |
| 12.70 | Amelia Stene | Polson (A) | 9 | Nelson-Thomas ABC Meet |
| 12.73 | Cadence Ferreira | Gallatin (Bozeman) (AA) | 12 | Eastern AA Divisional |
| 12.73 | Ayla Janzen | Twin Bridges (C) | 12 | Western C Divisional |
| 12.74 | Camy Hoiland | Anaconda (B) | 11 | Western B Divisional |
| 12.74 | Isabella Donaghey | Gallatin (Bozeman) (AA) | 10 | Eastern AA Divisional |
| 12.75 | Josie Brown | Saco (C) | 12 | 3C Districts |
| 12.77 | Natalia Antonucci | Gallatin (Bozeman) (AA) | 12 | Eastern AA Divisional |
| 12.77 | Sydney Sprenger | Shepherd (B) | 9 | Billings Skyview Meet |
| 12.78 | Ella Moodry | Butte Central (A) | 12 | Western A Divisional |
| 12.79 | Nadia Bruno | Hamilton (A) | 11 | Helena Triangular |
| 12.80 | Madigan Hurlbert | Florence-Carlton (B) | 9 | Western B Divisional |
| 12.80 | Taylor Evans | Conrad (B) | 12 | 1B Districts |
| 12.82 | Bailey Kroeker | Florence-Carlton (B) | 9 | Western B Divisional |
| 12.84 | Farah Wyche | Corvallis (A) | 11 | State A Championship |
| 12.84 | Ally Jacques | Fort Benton (C) | 9 | State C Championship |
| 12.85 | Alivia Rinehart | Flathead (AA) | 11 | Kalispell Time Trials |
| 12.86 | Jillian Huls | Corvallis (A) | 10 | Nelson-Thomas ABC Meet |
| 12.87 | Taylee Chirrick | Roberts (C) | 12 | Manhattan Christian Invitational |
| 12.87 | Saraya Afrank | Baker (B) | 12 | Baker Small Meet |
| 12.88 | Kirra Ban | Huntley Project (B) | 12 | 3B Districts |
| 12.89 | Audrey Thelen | Belgrade (AA) | 10 | Eastern AA Divisional |
| 12.89 | Ally Sempf | Columbia Falls (A) | 12 | State A Championship |
| 12.91 | Blythe Armstrong | Fergus/Lewistown (A) | 10 | Eastern A Divisional |
| 12.92 | Briel Powers | Missoula Sentinel (AA) | 12 | Sentinel Triangular 4/11 |
| 12.93 | Claire Bucklin | Sunburst (C) | 12 | 10C Districts |
| 12.94 | Perri Sloan | Custer Co./Miles City (A) | 9 | Glendive Shriners Invitational |
| 12.95 | Nora Allen | Billings West (AA) | 9 | Eastern AA Divisional |
| 12.95 | Ella Varner | Corvallis (A) | 10 | State A Championship |
| 12.95 | Delainey Engen | Billings West (AA) | 11 | Eastern AA Divisional |
| 12.98 | Addisyn Rask | Great Falls (AA) | 12 | Flathead-Great Falls Dual |
| 12.98 | Hope Madill | Great Falls CMR (AA) | 12 | Gallatin-CMR Dual |
| 12.98 | Zeila Wagner | Glacier (AA) | 10 | Western AA Divisional |
| 12.99 | Hazel Bishop | Helena (AA) | 10 | Helena Triangular |
| 12.99 | Grace Curnow | Billings West (AA) | 11 | Billings Invite |
| 12.99 | Paisley Johnson | Missoula Hellgate (AA) | 9 | Sentinel Triangular 3/26 |
| 13.01 | Kenzie Allen | Fairfield (B) | 11 | 1B Districts |
| 13.01 | Elsie Wilson | Bainville (C) | 11 | State C Championship |
| 13.02 | Montannah Piar | Granite/Philipsburg (C) | 11 | 13C Districts |
| 13.02 | Destinee Goodman | Belt (C) | 9 | State C Championship |
| 13.02 | Taleah Wilson | Belgrade (AA) | 11 | Eastern AA Divisional |
| 13.03 | Addie Falls Down | Billings Senior (AA) | 11 | Eastern AA Divisional |
| 13.05 | Alexis Daigle | Frenchtown (A) | 10 | Frenchtown Quad |
| 13.06 | Kaitlyn Noyes | Broadwater/Townsend (B) | 10 | Manhattan Christian Invitational |
| 13.06 | Izzy Ping | Billings Senior (AA) | 12 | Eastern AA Divisional |
| 13.06 | Anna Boysen | Whitefish (A) | 9 | Last Chance Quad |
| 13.06 | Isis Haslem | Great Falls (AA) | 12 | Skor Dekam Invitational |
| 13.08 | Havyn Vandenacre | Broadwater/Townsend (B) | 12 | Red Lodge Classic |
| 13.09 | Ady Hoiland | Anaconda (B) | 11 | Western B Divisional |
| 13.09 | Zoey Bortz | Flathead (AA) | 11 | Last Chance Quad |
| 13.09 | Macee May | Havre (A) | 11 | Eastern A Divisional |
| 13.10 | Brie Mattson | Chester-Joplin-Inverness (C) | 9 | 9C Districts |
| 13.10 | Amelia Pulaski | Bozeman (AA) | 9 | Eastern AA Divisional |
| 13.11 | Shaylee Soule | Helena Capital (AA) | 11 | CMR-Capital Dual |
| 13.11 | Jacquie Etchart | Billings Senior (AA) | 10 | Billings City Meet |
| 13.12 | Addy Lorash | Columbus (B) | 11 | Al Walker Memorial Meet |
| 13.13 | Rian Lowe | Laurel (A) | 11 | Billings Invite |
| 13.14 | Aubrey Smith | Columbia Falls (A) | 10 | Nelson-Thomas ABC Meet |
| 13.14 | Gracie Norman | Huntley Project (B) | 10 | 3B Districts |
| 13.15 | Averi Riedel | Fairview (B) | 9 | 2B Districts |
| 13.15 | Isabella Grutsch | Missoula Big Sky (AA) | 11 | Greg Rice City Meet |