| Mark | Athlete | School | Year | Meet |
|---|
| 15.81 | Reagan Johnstone | Stevensville (A) | 9 | Russ Plicher Western Top 10 |
| 15.83 | Perri Sloan | Custer Co./Miles City (A) | 10 | Sidney Twilight Meet |
| 16.05 | Riley McCoy | Beaverhead Co./Dillon (A) | 12 | Western A Divisional |
| 16.06 | Scarlett Jones | Frenchtown (A) | 10 | Frenchtown Quadrangular |
| 16.10 | Blythe Armstrong | Fergus/Lewistown (A) | 11 | Eastern A Divisional |
| 16.12 | Ginger Bergland | Whitefish (A) | 9 | Whitefish ARM Invitational |
| 16.25 | Grace Hicks | Fergus/Lewistown (A) | 11 | Eastern A Divisional |
| 16.45 | Fayth Clarno | Beaverhead Co./Dillon (A) | 12 | Western A Divisional |
| 16.55 | Kate Allen | Corvallis (A) | 10 | Ravalli County Invitational |
| 16.59 | Reine McCoy | Beaverhead Co./Dillon (A) | 10 | Sapphire Twilight Meet |
| 16.80 | Ava Graham | Beaverhead Co./Dillon (A) | 12 | Nelson-Thomas ABC Meet |
| 16.80 | Alli Glasscock | Custer Co./Miles City (A) | 12 | Eastern A Divisional |