| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Vitiello, Alexis L (12)
|
MRUWIS |
1:15.35 |
1:16.39 |
1.04 |
| 2 |
Chang, Amelia K (12)
|
MRLIAC |
1:30.42 |
1:25.59 |
-4.83 |
| 3 |
Watts, Lucy A (11)
|
MRMCBY |
1:28.81 |
1:26.56 |
-2.25 |
| 5 |
Melengic, Anna A (12)
|
MRUWIS |
1:39.26 |
1:30.73 |
-8.53 |
| 6 |
Ortiz-Mason, Ella F (11)
|
NEUNGF |
1:41.31 |
1:34.28 |
-7.03 |
| 7 |
Liu, Iris (12)
|
MRLIAC |
2:10.00 |
1:36.58 |
-33.42 |
| 8 |
Pedersen, Ella R (11)
|
MRLIAC |
1:36.92 |
1:37.95 |
1.03 |
| 9 |
Holland, Ella (11)
|
MRMCBY |
|
1:38.63 |
- |
| 10 |
Shneerson, Ilona (12)
|
MRUNRE |
1:53.08 |
1:44.15 |
-8.93 |
| 11 |
Santiago-Otero, Caylee A (12)
|
MRKBM |
1:43.91 |
1:45.06 |
1.15 |
| 12 |
Prevatt- Dillah, Amelia N (12)
|
MRUNRE |
1:50.09 |
1:47.76 |
-2.33 |
| 13 |
Allen, Delia C (11)
|
NEUNGF |
56.68 |
1:47.78 |
51.10 |
| 14 |
Fofanah, Jannat Z (11)
|
NEUNGF |
|
1:56.08 |
- |
| 15 |
Liu-Teodoro, Kayla (12)
|
MRLIAC |
1:49.34 |
1:56.66 |
7.32 |
| 16 |
Wang, Emma L (11)
|
MRUNAP |
|
2:04.00 |
- |
|
Wang, Karen (11)
|
MRLIAC |
1:47.02 |
DQ |
- |
|
Battas Eijkenaar, Chloe (11)
|
MRMCBY |
|
DQ |
- |