| Mark | Athlete | School | Year | Meet |
|---|
| 17-09 | Sophia Stiles | Malta (B) | 11 | Fergus Twilight Track Invitational |
| 17-04.5 | Brook Kolar | Loyola Sacred Heart (B) | 12 | KLH Memorial |
| 17-03.5 | Daniella Russell | Red Lodge (B) | 12 | Sunshine |
| 17-00.5 | Alexa Arthun | Manhattan (B) | 11 | MidLand Round Table Top Ten |
| 16-08.25 | Jordan Kulczyk | Glasgow (B) | 11 | Sidney Invitational |
| 16-08 | Shey Hannum | Thompson Falls (B) | 12 | MCPS Invite |
| 16-06 | Ceci Benson | Loyola Sacred Heart (B) | 10 | KLH Memorial |
| 16-05 | Lee Camel | Ronan (B) | 11 | KLH Memorial |
| 16-00.75 | Constence Rollins | Colstrip (B) | 11 | Baker Quad and JV meet |
| 15-10.5 | Lenora Campbell | Powell Co./Deer Lodge (B) | 12 | Big Sky 5 Team |