| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
He, Yiwei (10)
|
ZZCHNA |
1:17.80 |
1:22.75 |
4.95 |
| 2 |
Chen, Miaoxi (10)
|
ZZCHNA |
1:36.00 |
1:28.34 |
-7.66 |
| 3 |
Ross Allen, Zoe F (10)
|
MRAGUA |
1:38.69 |
1:31.31 |
-7.38 |
| 3 |
Knox, Ella A (10)
|
MRJCCT |
1:30.32 |
1:31.31 |
0.99 |
| 5 |
Arciniegas, Alessandra (10)
|
MRCOND |
1:33.14 |
1:31.91 |
-1.23 |
| 6 |
Kozlowski, Kenna (10)
|
MRMAKO |
1:37.22 |
1:36.69 |
-0.53 |
| 7 |
Masella, Alexandra (10)
|
MRMAKO |
1:40.64 |
1:43.03 |
2.39 |
| 8 |
Murray, Chelsea E (10)
|
MRCOND |
|
1:47.53 |
- |
| 9 |
Christakos, Ileana S (10)
|
MRCOND |
1:50.88 |
1:48.08 |
-2.80 |
| 10 |
Afanasewicz, Carly M (9)
|
MRNYSA |
1:39.69 |
1:48.92 |
9.23 |
| 11 |
Zangaro, Vivienne F (9)
|
MRLBA |
1:53.40 |
1:51.64 |
-1.76 |
| 12 |
Thekkenmar, Smera M (10)
|
MRSMC |
|
1:53.71 |
- |
| 13 |
Finerty, Ella K (10)
|
MRSMC |
|
1:57.95 |
- |
|
Caputo, Nina M (10)
|
MRSMC |
|
DQ |
- |
|
Diaz, Una M (9)
|
MRLBA |
2:06.72 |
NS |
- |