| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Adams, Sophia M (10)
|
NTNTN |
1:24.17 |
1:19.70 |
-4.47 |
| 2 |
Vanecek, Sloane A (10)
|
NTNTN |
1:21.40 |
1:20.14 |
-1.26 |
| 3 |
De Marco, Stephanie G (10)
|
NTNTN |
1:26.29 |
1:22.69 |
-3.60 |
| 4 |
Webster, Addison B (10)
|
NTNTN |
1:26.19 |
1:23.26 |
-2.93 |
| 5 |
Chan, Alexa Q (10)
|
NTMTRO |
1:28.03 |
1:25.61 |
-2.42 |
| 6 |
Van Dorselaer, Claire L (10)
|
NTNTN |
1:26.14 |
1:26.08 |
-0.06 |
| 7 |
Arnold, Brinley G (9)
|
NTSTAR |
|
1:26.97 |
- |
| 8 |
Luu, Tam G (9)
|
NTLTSD |
|
1:27.12 |
- |
| 9 |
Osmer, Britton S (10)
|
NTMTRO |
1:35.70 |
1:32.99 |
-2.71 |
| 10 |
Phung, Myann L (9)
|
NTNTN |
1:46.29 |
1:33.40 |
-12.89 |
| 11 |
Lim, Heather H (10)
|
NTSTAR |
|
1:34.19 |
- |
| 12 |
Hazim, Hannah J (10)
|
NTATAC |
|
1:34.73 |
- |
| 13 |
Pilip, Aurora L (10)
|
NTNTN |
1:34.89 |
1:35.77 |
0.88 |
| 14 |
Haley, Keira E (9)
|
NTLTSD |
|
1:36.41 |
- |
| 15 |
Sureka, Neethi (10)
|
NTATAC |
1:36.63 |
1:36.61 |
-0.02 |
| 16 |
Lacy, Clara G (10)
|
NTMTRO |
1:39.63 |
1:37.05 |
-2.58 |
| 17 |
Crombie, Caroline E (9)
|
NTATAC |
1:42.54 |
1:39.01 |
-3.53 |
| 18 |
Egeland, Iris A (10)
|
NTJMSS |
|
1:40.20 |
- |
| 19 |
Giesinger, Amabel E (9)
|
NTNTN |
1:43.96 |
1:41.24 |
-2.72 |
| 20 |
Meyer, Sivan I (10)
|
NTESP |
1:53.52 |
1:45.04 |
-8.48 |
| 21 |
Pepler, Lucile N (10)
|
NTJMSS |
1:44.40 |
1:46.56 |
2.16 |
| 22 |
Milligan, Olivia A (9)
|
NTSTAR |
1:44.62 |
1:46.96 |
2.34 |
| 23 |
Zhao, Connie T (9)
|
NTNTN |
1:54.14 |
1:47.09 |
-7.05 |
| 24 |
Weilert, Chandler R (9)
|
NTNTN |
|
1:51.24 |
- |
| 25 |
Kufert, Ava Z (10)
|
NTSTAR |
1:55.19 |
1:54.49 |
-0.70 |
| 26 |
Kozanian, Lucine (10)
|
NTESP |
|
1:55.34 |
- |
| 27 |
Meyers, Alyssa L (10)
|
NTLTSD |
1:58.82 |
1:59.52 |
0.70 |
|
Tong, Madeleine (9)
|
NTUN |
1:50.01 |
DQ |
- |
|
Kim, Chloe H (10)
|
NTMTRO |
1:17.98 |
DQ |
- |
|
Saucedo Goldschmied, Renata (9)
|
NTLTSD |
|
DQ |
- |
|
Costa, Angelia E (10)
|
NTLTSD |
|
DQ |
- |
|
Hazim, Georgette M (9)
|
NTATAC |
|
NS |
- |