| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Becker-Kopke, Taylor (11)
|
AZFORD |
1:33.60 |
1:29.29 |
-4.31 |
| 2 |
Herrera, Zoey S (12)
|
NMWILD |
1:30.57 |
1:29.34 |
-1.23 |
| 3 |
Van Atta, Maya P (12)
|
BDSWAT |
1:32.99 |
1:30.81 |
-2.18 |
| 4 |
Figueroa Padilla, Nayla (12)
|
DELS |
1:35.52 |
1:32.09 |
-3.43 |
| 5 |
Teslow, Tara C (11)
|
AZRAYS |
1:28.24 |
1:33.51 |
5.27 |
| 6 |
Anaya Moreno, Libni Elina (11)
|
CENA |
1:41.29 |
1:34.35 |
-6.94 |
| 7 |
Skow, Savannah E (11)
|
NMLCAT |
1:38.83 |
1:34.41 |
-4.42 |
| 8 |
Kwapich, Ella S (12)
|
AZFAST |
1:36.61 |
1:34.67 |
-1.94 |
| 9 |
Pratt, Olivia A (12)
|
NMLCAT |
1:43.20 |
1:35.00 |
-8.20 |
| 10 |
Slater, Athena F (12)
|
BDSWAT |
1:37.04 |
1:35.69 |
-1.35 |
| 11 |
Rivera Ruiz, Maria Iveth (11)
|
TIB |
1:37.98 |
1:37.70 |
-0.28 |
| 12 |
Rivera Carrillo, Mabel (11)
|
TIB |
1:38.02 |
1:37.78 |
-0.24 |
| 13 |
Mansell, Marina H (12)
|
AZFORD |
1:35.30 |
1:39.29 |
3.99 |
| 14 |
Gallardo Medina, Maria Jose (12)
|
CENA |
1:40.23 |
1:40.01 |
-0.22 |
| 15 |
Meza, Arissa M (12)
|
BDRAST |
1:38.41 |
1:40.45 |
2.04 |
| 16 |
Smith, Ruby A (11)
|
AZFORD |
1:40.54 |
1:41.18 |
0.64 |
| 17 |
Avila, Samirah I (12)
|
BDRAST |
1:40.61 |
1:41.40 |
0.79 |
| 18 |
Smith, Wren S (11)
|
AZFORD |
1:49.18 |
1:41.93 |
-7.25 |
| 19 |
Friedman, Kaitlyn M (11)
|
AZJSC |
1:39.19 |
1:42.85 |
3.66 |
| 20 |
Pifer, Lillian K (11)
|
AZFORD |
1:49.33 |
1:44.64 |
-4.69 |
| 21 |
Soto-Ruiz, Mikaela R (11)
|
BDRAST |
1:44.72 |
1:47.53 |
2.81 |