| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Herrera, Zoey S (12)
|
NMWILD |
3:12.07 |
3:05.87 |
-6.20 |
| 2 |
Warriner, Corinne J (12)
|
AZAZAC |
3:19.14 |
3:08.23 |
-10.91 |
| 3 |
Teslow, Tara C (11)
|
AZRAYS |
3:16.56 |
3:18.25 |
1.69 |
| 4 |
Becker-Kopke, Taylor (11)
|
AZFORD |
3:19.58 |
3:18.36 |
-1.22 |
| 5 |
Kwapich, Ella S (12)
|
AZFAST |
3:29.96 |
3:22.88 |
-7.08 |
| 6 |
Slater, Athena F (12)
|
BDSWAT |
3:30.78 |
3:22.93 |
-7.85 |
| 7 |
Anaya Moreno, Libni Elina (11)
|
CENA |
3:37.86 |
3:22.99 |
-14.87 |
| 8 |
Skow, Savannah E (11)
|
NMLCAT |
3:39.71 |
3:25.05 |
-14.66 |
| 9 |
Rivera Ruiz, Maria Iveth (11)
|
TIB |
3:38.01 |
3:26.75 |
-11.26 |
| 10 |
Mansell, Marina H (12)
|
AZFORD |
3:31.88 |
3:28.99 |
-2.89 |
| 11 |
Meza, Arissa M (12)
|
BDRAST |
3:32.06 |
3:30.09 |
-1.97 |
| 12 |
Flores, Holly M (11)
|
AZFORD |
3:28.37 |
3:34.14 |
5.77 |
| 13 |
Scopel, Isabella E (12)
|
AZRAYS |
3:20.56 |
3:50.04 |
29.48 |
|
Gallardo Medina, Maria Jose (12)
|
CENA |
3:41.99 |
NS |
- |