| Name | Team | Time | Score | Pts | Imp | |||
|---|---|---|---|---|---|---|---|---|
| 1 | Myrka Hardy |
 Billings Aquatic Club
|
2:45.89 | 9.00 | 701 | – | ||
| 2 | Kyla Burchard |
Havre Lions
|
2:53.38 | 7.00 | 464 | – | PB | |
| 3 | Julia Lund |
Billings Aquatic Club
|
3:03.81 | 6.00 | 348 | – | ||
| 4 | Teagan Boysen |
Helena Lions Swi
|
3:04.09 | 5.00 | 485 | – | ||
| 5 | Alexis Hubbard |
Bozeman Barracudas Swim Team
|
3:04.39 | 4.00 | 482 | – | ||
| 6 | Ella Dietrich |
Bozeman Barracudas Swim Team
|
3:09.78 | 3.00 | 287 | – | ||
| 7 | Madison Griffiths |
Bozeman Barracudas Swim Team
|
3:10.18 | 2.00 | 283 | -0.9% | ||
| 8 | Hanna Vornbrock |
Kalispell Aquatic Team
|
3:13.73 | 1.00 | 383 | – | ||
| 9 | Kaylee Macholz |
Missoula Aquatic Club
|
3:14.21 | – | 245 | +3.3% | PB | |
| 10 | Ellen Davis |
Missoula Aquatic Club
|
3:17.51 | – | 215 | +5.6% | PB | |