| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Crisostomo, Samantha (11)
|
MRNYCP |
1:06.81 |
1:07.21 |
0.40 |
| 2 |
Gonzalez, Emilianna (12)
|
MRAPEX |
1:11.56 |
1:07.91 |
-3.65 |
| 3 |
Martinez, Renata A (11)
|
MRPATS |
1:13.93 |
1:16.60 |
2.67 |
| 4 |
Mack, Skylar R (11)
|
MRPATS |
1:13.62 |
1:17.65 |
4.03 |
| 5 |
Reyes Aguirre, Juana (12)
|
MRAPEX |
1:21.71 |
1:19.11 |
-2.60 |
| 6 |
Huang, Cheri K (11)
|
MRHS |
1:26.38 |
1:22.06 |
-4.32 |
| 7 |
Sabarre, Wilhelmina C (12)
|
MRPATS |
NT |
1:25.35 |
85.35 |
| 8 |
Clarke, Kristina A (12)
|
MRCAS |
1:33.52 |
1:25.80 |
-7.72 |
| 9 |
Kizhnerman, Noa (12)
|
MRCENT |
1:34.01 |
1:29.77 |
-4.24 |
| 10 |
Kalinoglu, Samantha C (12)
|
MRLIAC |
1:41.71 |
1:31.98 |
-9.73 |
| 11 |
Castillo, Valentina S (11)
|
MRUN |
NT |
1:33.30 |
93.30 |
| 12 |
Safir, Faye D (12)
|
MRLIAC |
1:45.00 |
1:33.33 |
-11.67 |
| 13 |
Guerrero, Lily (11)
|
MRCAS |
1:34.38 |
1:33.58 |
-0.80 |
| 14 |
Menrinetsang, Rinchen K (11)
|
MRLIAC |
1:50.00 |
1:44.97 |
-5.03 |
| 15 |
Hoy, Victoria L (12)
|
MRHS |
1:54.69 |
1:45.52 |
-9.17 |
| 16 |
Scoloveno, Giuliana (11)
|
MRCENT |
1:51.50 |
NS |
- |