| # | Swimmer | Team | Seed | Time | Diff |
| 2 |
Coleman, Adana (10)
|
NENE |
1:15.84 |
1:18.87 |
3.03 |
| 3 |
Rivera, Sarah C (10)
|
FLROCO |
1:19.49 |
1:19.67 |
0.18 |
| 8 |
Lynch, Maeve E (10)
|
NENE |
1:23.25 |
1:23.12 |
-0.13 |
| 9 |
Martin, Milly M (10)
|
NENE |
1:28.32 |
1:24.79 |
-3.53 |
| 10 |
Figaro, Anya M (10)
|
NENE |
1:28.10 |
1:24.99 |
-3.11 |
| 12 |
Evich, LeighEva A (9)
|
FLRAD |
1:28.99 |
1:26.64 |
-2.35 |
| 14 |
Hamilton, Dalyana C (10)
|
NENE |
1:22.42 |
1:27.89 |
5.47 |
| 15 |
Wang, Bethany B (8)
|
NIUSTA |
1:25.86 |
1:28.64 |
2.78 |
| 16 |
Principe, Ella J (9)
|
FLBW |
1:40.65 |
1:29.18 |
-11.47 |
| 18 |
Lindblom, Rose M (10)
|
NENE |
1:32.36 |
1:30.52 |
-1.84 |
| 21 |
Leamy, Evie L (8)
|
FLBW |
1:40.76 |
1:33.09 |
-7.67 |
| 22 |
McBrayer-Donath, Jubilee F (10)
|
SCGVST |
1:31.43 |
1:33.36 |
1.93 |
| 26 |
Kiernan, Grace E (10)
|
NENE |
1:39.81 |
1:36.74 |
-3.07 |
| 27 |
Lima, Sophie S (9)
|
FLBW |
1:35.18 |
1:36.80 |
1.62 |
| 29 |
Gallagher, Charlotte R (10)
|
NENE |
1:38.50 |
1:38.70 |
0.20 |
| 30 |
Bright, Violet (9)
|
ARTEAM |
1:49.62 |
1:39.73 |
-9.89 |
| 31 |
Torres, Sophia (9)
|
FLBW |
1:36.99 |
1:39.87 |
2.88 |
| 39 |
Alford, Kealin N (10)
|
FLROCO |
1:38.75 |
1:44.48 |
5.73 |
| 40 |
Thompson, Natalie R (8)
|
NIUSTA |
1:50.90 |
1:48.03 |
-2.87 |
| 41 |
Mekker, Ella B (8)
|
NIUSTA |
2:00.00 |
1:49.25 |
-10.75 |
| 46 |
Wiles, Emma (10)
|
MDHASS |
2:12.01 |
2:22.63 |
10.62 |