| Mark | Athlete | School | Year | Meet |
|---|
| 12.48 | Marlow Schulz | Whitefish (A) | 10 | Northwestern A Divisional |
| 12.51 | Morgan Sulser | Billings Senior (AA) | 10 | Eastern AA Divisional |
| 12.51 | Kalei Scholl | Helena Capital (AA) | 12 | Helena Crosstown Meet |
| 12.51 | Amanda Foley | Whitefish (A) | 12 | Western Montana Top 10 |
| 12.56 | Anna Weber | Great Falls CMR (AA) | 11 | Great Falls Crosstown Meet |
| 12.64 | Ashley Olson | Plentywood (B) | 11 | Glasgow Invitational |
| 12.66 | Chloe Rector | Billings Senior (AA) | 11 | Billings Invitational |
| 12.66 | Anna DiGallonardo | Polson (A) | 11 | Western Montana Top 10 |
| 12.68 | Callie Kanthack | Helena (AA) | 10 | Helena Crosstown Meet |
| 12.74 | Hailey Gellner | Billings Skyview (AA) | 10 | Billings Invitational |
| 12.75 | Faith Kjelstrup | Dawson Co./Glendive (A) | 12 | Miles City Invitational |
| 12.77 | Tawnie Kerr | Loyola Sacred Heart (B) | 12 | Western Montana Top 10 |
| 12.78 | Tess Brenneman | Flathead (AA) | 12 | Archie Roe Invitational |
| 12.79 | Tiara Show | Browning (A) | 11 | Central A Divisional |
| 12.79 | Sierra Bayles | Powder River Co./Broadus (C) | 12 | Southern B Divisional |
| 12.79 | Dani Davis | Flathead (AA) | 11 | Western AA Divisional |
| 12.81 | Brianna Gray | Park City (C) | 10 | Southern C Divisional |
| 12.85 | Taylor Pfister | Missoula Hellgate (AA) | 10 | Western Montana Top 10 |
| 12.87 | McKenzie Weber | Great Falls CMR (AA) | 11 | Great Falls Crosstown Meet |
| 12.87 | Lexy Boschee | Glacier (AA) | 12 | Class A Invitational |
| 12.89 | Sadi Henderson | Corvallis (A) | 10 | Sapphire Twilight Meet |
| 12.93 | Sammy Evans | Havre (A) | 12 | Central A Divisional |
| 12.94 | Tess Porch | Florence-Carlton (B) | 10 | 5-5 Seeley-Swan Invitational |
| 12.94 | Blair Street | Shields Valley (C) | 12 | Western C Divisional |
| 12.94 | Rachel Koehler | Billings Senior (AA) | 11 | 4-3 Billings Senior Meet |
| 12.96 | Elle Tinkle | Missoula Big Sky (AA) | 12 | Capital Triangular |
| 12.97 | Amber Gettis | Great Falls CMR (AA) | 12 | Great Falls Crosstown Meet |
| 12.97 | Michon Morgan | Billings Skyview (AA) | 12 | Billings Skyview Meet |
| 13.00 | Natalie Zimmer | Missoula Big Sky (AA) | 12 | Western Montana Top 10 |
| 13.10 | Marissa Sokoloski | Wibaux (C) | 11 | Southern C Divisional |
| 13.14 | Hannah Porch | Florence-Carlton (B) | 9 | Darby/Florence Invitational |
| 13.23 | MacKenzie Mundaniohl | Jefferson/Boulder (B) | 11 | Cascade Lions Club Top 8 Meet |
| 13.24 | Shayla Garmon | Westby-Grenora (C) | 10 | Eastern C Divisional |
| 13.32 | Haylee Anderson | North Star (C) | 12 | State C Track Meet |
| 13.33 | Melissa Hofer | Melstone (C) | 12 | Southern C Divisional |