| Mark | Athlete | School | Year | Meet |
|---|
| 43.80 | Taylee Chirrick | Billings West (AA) | 10 | State AA |
| 44.66 | Maeve Ingelfinger | Whitefish (A) | 10 | State A |
| 44.67 | Ainsley Shipman | Beaverhead Co./Dillon (A) | 12 | State A |
| 44.97 | Olivia Lewis | Corvallis (A) | 10 | Western A Divisional |
| 45.05 | Brooke Stayner | Missoula Sentinel (AA) | 12 | State AA |
| 45.32 | Sidney Gulick | Glacier (AA) | 12 | State AA |
| 45.35 | Havyn Vandenacre | Broadwater/Townsend (B) | 10 | Russ Plicher Top 10 |
| 45.43 | Alyssa Boshart | Sweet Grass Co./Big Timber (B) | 12 | State B |
| 45.61 | Madilyn Todorovich | Helena (AA) | 9 | State AA |
| 45.69 | Gracie Bradley | Colstrip (B) | 12 | Midland Roundtable Top 10 |
| 45.70 | Kathryn Sheridan | Helena Capital (AA) | 10 | Capital-Big Sky-Helena Tri |
| 46.12 | Hailey Ells | Whitefish (A) | 10 | Western A Divisional |
| 46.87 | Annie Kaul | Plentywood (C) | 11 | State C |
| 46.88 | Rachel Plaster | Helena (AA) | 12 | Helena Crosstown Dual |
| 46.92 | Claire Bucklin | Sunburst (C) | 10 | State C |
| 46.95 | Mikayla Hall | Helena Capital (AA) | 11 | State AA |
| 47.08 | Bailey Gable | Glacier (AA) | 10 | State AA |
| 47.14 | Teigan Taylor | Fairview (B) | 12 | Norm Girard North/East Top 10 |
| 47.19 | Zoey Bortz | Flathead (AA) | 9 | State AA |
| 47.27 | Rylee Armstrong | Fergus/Lewistown (A) | 11 | Eastern A Divisional |
| 47.35 | Cienna Soens | Billings Skyview (AA) | 10 | State AA |
| 47.37 | Beatrice Bentler | Billings Senior (AA) | 10 | State AA |
| 47.41 | Halle Haber | Billings West (AA) | 10 | Eastern AA Divisional |
| 47.46 | Rylee Herbstritt | Corvallis (A) | 11 | State A |
| 47.46 | Lily Tanko | Bigfork (A) | 12 | Western B Divisional |
| 47.49 | Audrey Sampsen | Plentywood (C) | 10 | State C |
| 47.53 | Lauryn Petersen | Beaverhead Co./Dillon (A) | 12 | Russ Plicher Top 10 |
| 47.57 | Kara Reed | Denton-Geyser-Stanford (C) | 11 | Northern C Divisional |
| 47.68 | Mady Willis | Scobey (C) | 9 | State C |
| 47.72 | Isabelle Berry | Loyola Sacred Heart (B) | 10 | State B |
| 47.86 | Brayli Reimer | Red Lodge (B) | 11 | State B |
| 48.04 | Emma Konen | Twin Bridges (C) | 10 | State C |
| 48.44 | Grace Gackle | Circle (C) | 10 | Norm Girard North/East Top 10 |
| 48.46 | Rileigh McGree | Butte Central (A) | 12 | Butte-Bozeman-Gallatin Tri |
| 48.52 | Isabelle Linder | Helena Capital (AA) | 10 | Great Falls Optimist Invite |
| 48.53 | Jasmyn Murphy | Three Forks (B) | 12 | Southern B Divisional |
| 48.80 | Alexis DeVries | Manhattan Christian (C) | 11 | 12C Districts |
| 48.87 | Rebecca Middleton | Huntley Project (B) | 11 | State B |
| 48.90 | Allie Dale | Twin Bridges (C) | 10 | State C |
| 48.91 | Shaylee Quenzer | Red Lodge (B) | 10 | State B |