| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ge, Xinrui (12)
|
MRAPEX |
1:16.17 |
1:16.66 |
0.49 |
| 2 |
Yildiz, Nicole F (12)
|
MRMPNY |
1:19.18 |
1:16.79 |
-2.39 |
| 3 |
Gigliotti, Kate (12)
|
MRTRI |
1:27.98 |
1:26.27 |
-1.71 |
| 4 |
Jordan, Elena (12)
|
MRRIST |
1:29.85 |
1:26.45 |
-3.40 |
| 5 |
Dopman, Sofia M (12)
|
MRBKR |
1:30.00 |
1:26.78 |
-3.22 |
| 6 |
Luo, Sophia (11)
|
MRTRI |
1:27.82 |
1:26.94 |
-0.88 |
| 7 |
Bacon, Marina S (11)
|
MRRED |
1:29.71 |
1:29.49 |
-0.22 |
| 8 |
Moore, Michaela (12)
|
MRTRI |
1:29.98 |
1:30.03 |
0.05 |
| 9 |
Santaromana, Bianca A (12)
|
MRGATE |
1:30.24 |
1:30.15 |
-0.09 |
| 10 |
Sah, Tiya (11)
|
MRMAKO |
1:29.57 |
1:30.43 |
0.86 |
| 11 |
Andrews, Ava E (12)
|
MRNYCC |
1:31.74 |
1:31.57 |
-0.17 |
| 12 |
McDonald, Anna (12)
|
MRTRI |
1:27.95 |
1:31.84 |
3.89 |
| 13 |
Anticev, Katherine (11)
|
MRTRI |
1:30.88 |
1:32.66 |
1.78 |
| 14 |
Winters, Mia E (12)
|
MRMAKO |
1:34.26 |
1:32.70 |
-1.56 |
| 15 |
Saunders, Phoebe L (12)
|
MRBKR |
1:31.96 |
1:32.88 |
0.92 |
| 16 |
Dominguez, Celia (12)
|
MRBKR |
1:34.51 |
1:33.75 |
-0.76 |
| 17 |
Shifrina, Aleksandra (11)
|
MRMPNY |
1:35.00 |
1:34.58 |
-0.42 |
| 18 |
Marcotullio, Isabella X (12)
|
MRRED |
1:31.21 |
1:34.96 |
3.75 |
| 19 |
Hyun, Faith (11)
|
MRGATE |
1:36.58 |
1:35.24 |
-1.34 |
| 20 |
Isom, Christina M (11)
|
MRCAS |
1:31.59 |
1:35.55 |
3.96 |
| 21 |
Hort, Bess L (11)
|
MRMAKO |
1:37.79 |
1:36.09 |
-1.70 |
| 22 |
Szel, Victoria A (12)
|
MRSWAG |
1:35.94 |
1:36.98 |
1.04 |
| 23 |
Chapman, Linnea (11)
|
MRTRI |
1:42.56 |
1:37.38 |
-5.18 |
| 24 |
Hegedus, Leda (11)
|
MRRED |
1:35.86 |
1:38.51 |
2.65 |
| 25 |
Allegretti, Anna (12)
|
MRTRI |
1:38.49 |
1:38.58 |
0.09 |
| 26 |
Logar, Katina (12)
|
MRMAKO |
1:34.62 |
1:39.32 |
4.70 |
| 27 |
Casey, Sasha G (11)
|
MRMAKO |
1:42.25 |
1:39.88 |
-2.37 |
| 28 |
Jackson, Jaedyn R (12)
|
MRRED |
1:43.26 |
1:39.98 |
-3.28 |
| 29 |
Winters, Emma C (12)
|
MRMAKO |
1:48.66 |
1:40.94 |
-7.72 |
| 30 |
Lin, Grace (11)
|
MRGATE |
1:49.21 |
1:40.98 |
-8.23 |
| 31 |
O'Heir, Ava E (12)
|
MRBKR |
1:42.00 |
1:44.80 |
2.80 |
| 32 |
Jourdes, Paloma (12)
|
MRBKR |
1:45.19 |
1:45.40 |
0.21 |
| 33 |
Gillies, Morgan (11)
|
NJLIFE |
1:50.00 |
1:45.83 |
-4.17 |
| 34 |
Chun, Ellie Y (11)
|
MRGATE |
1:45.92 |
1:45.85 |
-0.07 |
| 35 |
Adelaine, Julia (12)
|
MRBKR |
1:40.00 |
1:46.50 |
6.50 |
| 36 |
Marte, Ashley (11)
|
MRRED |
1:48.98 |
1:48.74 |
-0.24 |
| 37 |
Karp, Samara (11)
|
MRBKR |
1:55.13 |
1:50.42 |
-4.71 |
| 38 |
Moore, Alana H (12)
|
MRAPEX |
1:42.96 |
1:50.70 |
7.74 |
| 39 |
Cohen, Ruby M (12)
|
MRASAP |
2:05.84 |
2:07.15 |
1.31 |