| Mark | Athlete | School | Year | Meet |
|---|
| 42.87 | Liz Harper | Missoula Sentinel (AA) | 12 | State AA |
| 43.20 | Morgan Sulser | Billings Senior (AA) | 11 | State AA |
| 44.00 | Hailey Phillips | Plains (B) | 10 | State B |
| 44.69 | Lakyn Connors | Corvallis (A) | 12 | Southwestern A Divisional |
| 45.18 | Alyssa Espinoza | Billings West (AA) | 12 | Eastern AA Divisional |
| 45.40 | Holly Anderson | Beaverhead Co./Dillon (A) | 10 | State A |
| 45.43 | Hailey Copinga | Billings Skyview (AA) | 10 | State AA |
| 45.46 | Hannah Coburn | Missoula Big Sky (AA) | 9 | State AA |
| 45.81 | Nicole Stroot | Superior (C) | 12 | State C |
| 46.25 | Hope Reid | Thompson Falls (B) | 12 | Whitefish A.R.M. Invitational |
| 46.65 | Rhiannon Sturgess | Flathead (AA) | 11 | Archie Roe Invitational |
| 46.66 | Shalea Wallen | Frenchtown (A) | 11 | State A |
| 46.70 | Brianna Gray | Park City (C) | 10 | Southern C Divisional |
| 46.73 | Anna DiGiallonardo | Polson (A) | 12 | Northwestern A Divisional |
| 46.77 | Haley Gellner | Billings Skyview (AA) | 11 | 4/23 Billings Senior Meet |
| 46.78 | Lexi Prevost | Sidney (A) | 11 | State A |
| 46.82 | Kinsey Schwers | Harlowton (C) | 11 | State C |
| 46.83 | Megan Hawkins | Park/Livingston (A) | 11 | Central A Divisional |
| 46.93 | Hannah King | Choteau (B) | 9 | State B |
| 47.7 | Mattison McNally | Bigfork (B) | 9 | State B |
| 47.04 | Kwyn Johnson | Flathead (AA) | 12 | Great Falls Optimist Invitational |
| 47.10 | Paige Holmes | Seeley-Swan (C) | 9 | State C |
| 47.22 | Phoebe Guercio | Whitefish (A) | 11 | Northwestern A Divisional |
| 47.28 | Aspen Runkel | Charlo (C) | 11 | State C |
| 47.39 | Courtney Carl | Missoula Big Sky (AA) | 10 | 4/26 Big Sky Quad |
| 47.54 | Tess Porch | Florence-Carlton (B) | 11 | State B |
| 47.67 | Janessa Williams | Jefferson/Boulder (B) | 10 | Southern B Divisional |
| 47.72 | Bailey Cranford | Huntley Project (B) | 12 | Southern B Divisional |
| 47.73 | Aubry Bair | Broadwater/Townsend (B) | 10 | State B |
| 47.88 | Alyssa Jonasen | Great Falls (AA) | 10 | State AA |
| 47.89 | Joire Chavez | Hardin (A) | 12 | State A |
| 47.96 | Hailee Bennett | Glacier (AA) | | State AA |
| 48.08 | Caitlyn Farmer | Missoula Hellgate (AA) | 10 | Greg Rice City Meet |
| 48.14 | Jaci Nesbit | Willow Creek (C) | 11 | State C |
| 48.39 | Julia Zidack | Bozeman (AA) | 9 | Midland Roundtable Top 10 Meet |
| 48.45 | Kirsten Kaste | Great Falls CMR (AA) | | State AA |
| 48.50 | Debra Griebel | Glasgow (B) | 12 | Northern B Divisional |
| 48.50 | Espe Battrick | Fergus/Lewistown (A) | | State A |
| 48.53 | Brittnee Theel | Chester-Joplin-Inverness (C) | 12 | State C |
| 48.64 | Courtney Stromme | Belgrade (AA) | 11 | Park Invitational |
| 48.73 | Hanna Kohley | Red Lodge (B) | 11 | Southern B Divisional |
| 48.74 | Taylor Jensen | Fergus/Lewistown (A) | 12 | 5/4 Havre Triangular |
| 48.74 | Brittney Marosok | Billings West (AA) | | State AA |
| 48.90 | Kaile Sauro | Loyola Sacred Heart (B) | 12 | Western B Divisional |