| Mark | Athlete | School | Year | Meet |
|---|
| 12.48 | Alyssa Boshart | Sweet Grass County/Big Timber (B) | 12 | 5B Districts |
| 12.53 | Cora Pesanti | Anaconda (B) | 12 | State B |
| 12.61 | Isabelle Berry | Loyola Sacred Heart (B) | 10 | State B |
| 12.75 | Cori Coombe | Joliet (B) | 9 | State B |
| 12.75 | Maya Carvey | Lincoln County/Eureka (B) | 12 | State B |
| 12.76 | Ashlyn Lutts | Baker (B) | 12 | State B |
| 13.05 | Emily Cooley | Sweet Grass County/Big Timber (B) | 12 | State B |
| 13.06 | Maxine Hoagland | Whitehall (B) | 11 | Belgrade Meet |
| 13.07 | Camy Hoiland | Anaconda (B) | 9 | State B |
| 13.08 | Havyn Vandenacre | Broadwater/Townsend (B) | 10 | Russ Plicher Top 10 |