| Mark | Athlete | School | Year | Meet |
|---|
| 12.06 | Jaeden Wolff | Billings West (AA) | 12 | Gary Benson Border War (WY) |
| 12.31 | Logan Todorovich | Helena (AA) | 10 | Helena-Great Falls-Jefferson Tri |
| 12.38 | Ave Roberts | Billings Skyview (AA) | 11 | Eastern AA Divisional |
| 12.42 | Brooke Zetooney | Whitefish (A) | 10 | State A |
| 12.45 | Jordan Cassidy | Belgrade (AA) | 12 | State AA |
| 12.47 | Brooke Reuter | Savage (C) | 10 | State C |
| 12.48 | Alyssa Boshart | Sweet Grass Co./Big Timber (B) | 12 | 5B Districts |
| 12.53 | Hailey Ells | Whitefish (A) | 10 | Western A Divisional |
| 12.53 | Cora Pesanti | Anaconda (B) | 12 | State B |
| 12.58 | Mollee Conlan | Butte (AA) | 12 | State AA |
| 12.60 | Hailey Coey | Billings West (AA) | 12 | Eastern AA Divisional |
| 12.61 | Isabelle Berry | Loyola Sacred Heart (B) | 10 | State B |
| 12.62 | Abby Thompson | Billings Senior (AA) | 10 | State AA |
| 12.62 | Hannah Moses | Missoula Hellgate (AA) | 11 | Great Falls Optimist Invite |
| 12.63 | Odessa Zentz | Helena (AA) | 12 | Capital-Big Sky-Helena Tri |
| 12.65 | Jadyn VanDyken | Manhattan Christian (C) | 11 | State C |
| 12.68 | Isabella Ping | Billings Senior (AA) | 10 | Eastern AA Divisional |
| 12.70 | Kaydance Reiter | Havre (A) | 9 | State A |
| 12.71 | Ally Sempf | Columbia Falls (A) | 10 | State A |
| 12.72 | Emilie Collins | West Yellowstone (C) | 12 | State C |
| 12.73 | Abigail MacDonald | Great Falls (AA) | 9 | Eastern AA Divisional |
| 12.75 | Cori Coombe | Joliet (B) | 9 | State B |
| 12.75 | Maya Carvey | Lincoln Co./Eureka (B) | 12 | State B |
| 12.76 | Ashlyn Lutts | Baker (B) | 12 | State B |
| 12.80 | Halle Haber | Billings West (AA) | 10 | State AA |
| 12.80 | Claire Hutchison | Stevensville (A) | 11 | Western A Divisional |
| 12.81 | Rileigh McGree | Butte Central (A) | 12 | State A |
| 12.82 | Natalia Antonucci | Gallatin (Bozeman) (AA) | 10 | Gallatin-Senior Dual |
| 12.84 | Brooklyn Ludemann | Missoula Big Sky (AA) | 10 | State AA |
| 12.84 | Ainsley Shipman | Beaverhead Co./Dillon (A) | 12 | Western A Divisional |
| 12.87 | Isabella Pereira | Superior (C) | 11 | State C |
| 12.89 | Sidney Kirsch | Bozeman (AA) | 10 | State AA |
| 12.90 | Sydney Petersen | Beaverhead Co./Dillon (A) | 10 | Western A Divisional |
| 12.90 | Tatum Hull | Chester-Joplin-Inverness (C) | 12 | State C |
| 12.93 | Farah Wyche | Corvallis (A) | 9 | Western A Divisional |
| 12.94 | Katelyn Christensen | Hot Springs (C) | 12 | State C |
| 12.94 | Kaitlyn Dantic | Laurel (A) | 9 | Eastern A Divisional |
| 12.95 | Annaleis Sloan | Custer Co./Miles City (A) | 9 | Eastern A Divisional |
| 12.95 | Noah Fincher | Glacier (AA) | 10 | Western AA Divisional |
| 12.95 | Hadlea Fred | Missoula Big Sky (AA) | 12 | Big Sky-Sentinel-Helena Tri |
| 12.96 | Madison Caruthers | Libby (A) | 12 | State A |
| 12.97 | Adriana Tatukivei | Ronan (A) | 12 | Western A Divisional |
| 12.98 | Taylee Chirrick | Billings West (AA) | 10 | Billings West Meet #1 |
| 12.99 | Rylee Armstrong | Fergus/Lewistown (A) | 11 | Eastern A Divisional |
| 12.99 | Lily McHood | Missoula Sentinel (AA) | 11 | State AA |
| 13.01 | Charlize Davis | Billings Skyview (AA) | 11 | Eastern AA Divisional |
| 13.01 | Kylie Konen | Beaverhead Co./Dillon (A) | 9 | State A |
| 13.01 | Ela Bloyder | Billings West (AA) | 11 | Billings West-CMR Dual |
| 13.02 | Alizae Howard | Roy-Winifred (C) | 9 | 8C Districts |
| 13.02 | Mariah Fox | Laurel (A) | 11 | Eastern A Divisional |
| 13.03 | Layla Baumann | Billings West (AA) | 11 | Gallatin-Billings West-Belgrade Tri |
| 13.04 | Nevaeh Wetzel | Helena (AA) | 9 | Helena-Great Falls-Jefferson Tri |
| 13.05 | Emily Cooley | Sweet Grass Co./Big Timber (B) | 12 | State B |
| 13.06 | Maxine Hoagland | Whitehall (B) | 11 | Belgrade Meet |
| 13.07 | Tandy Planichek | Absorakee (C) | 11 | Park City/Harlowton Invite |
| 13.07 | Camy Hoiland | Anaconda (B) | 9 | State B |
| 13.08 | Havyn Vandenacre | Broadwater/Townsend (B) | 10 | Russ Plicher Top 10 |
| 13.08 | Josie Brown | Saco (C) | 10 | State C |
| 13.09 | Claire Bucklin | Sunburst (C) | 10 | State C |
| 13.09 | Kathryn Sheridan | Helena Capital (AA) | 10 | Helena Small Schools Meet |
| 13.10 | Kelcey Copping | Flathead (AA) | 11 | Flathead-Hellgate-Sentinel Tri |
| 13.11 | Sophia Darr | Gardiner (C) | 11 | State C |
| 13.11 | Haven Sager | Shields Valley (C) | 12 | State C |
| 13.11 | Lily McHood | Missoula Sentinel (AA) | 11 | Western AA Divisional |
| 13.11 | Mayiehl Shaw | Belgrade (AA) | | Eastern AA Divisional |
| 13.11 | Kaitlin Grossman | Billings West (AA) | 12 | Billings West-CMR Dual |
| 13.12 | Cambry Conradsen | Savage (C) | 9 | State C |
| 13.14 | Teagan Wigen | East Helena (A) | 11 | Western A Divisional |
| 13.15 | Emily Maughan | Seeley-Swan (C) | 11 | State C |