| Mark | Athlete | School | Year | Meet |
|---|
| 5:08.44 | Ayden Eickhoff | Corvallis (A) | 11 | State A |
| 5:11.10 | Isabella Pape | Corvallis (A) | 10 | State A |
| 5:19.59 | Kaycie Stewart | Corvallis (A) | 11 | State A |
| 5:21.54 | Ayden Eickhoff | Corvallis (A) | 11 | Sapphire Twilight Meet |
| 5:24.03 | Kaitlin Stromberg | Hamilton (A) | 10 | State A |
| 5:24.50 | Sadi Henderson | Corvallis (A) | 11 | Gene Hughes Invitational |
| 5:24.75 | Rachel Wissenbach | Corvallis (A) | 9 | State A |
| 5:25.30 | Olivia Wood | Anaconda (A) | 12 | Southwestern A Divisional |
| 5:25.60 | Katie Christianson | Havre (A) | 12 | State A |
| 5:27.00 | Morgan McDonnell | Billings Central (A) | 11 | Midland Roundtable Top 10 Meet |
| 5:27.72 | Samantha Mundel | Columbia Falls (A) | 10 | Northwestern A Divisional |
| 5:30.26 | Courtney Hallock | Laurel (A) | 9 | Jock Stop Meet |
| 5:31.03 | Rio Frame | Dawson Co./Glendive (A) | 12 | State A |
| 5:31.85 | Dalainy Tedesco | Fergus/Lewistown (A) | 11 | State A |