| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Martinez-Reyes, Tristinye (11)
|
MRNYCP |
1:07.63 |
1:08.91 |
1.28 |
| 3 |
Chernishova, Maria E (11)
|
MRSHY |
1:25.76 |
1:22.79 |
-2.97 |
| 4 |
Gunnarsdottir, Kolbrun (11)
|
MRLIFE |
1:28.49 |
1:24.07 |
-4.42 |
| 5 |
Barnard, Maya T (12)
|
MRHES |
1:31.05 |
1:24.86 |
-6.19 |
| 6 |
Chan, Angelina (12)
|
MRNYCP |
1:19.50 |
1:25.24 |
5.74 |
| 7 |
Bautista, Jasmine (12)
|
MRUN |
1:31.15 |
1:26.67 |
-4.48 |
| 8 |
Zhenilenko, Kathryn (11)
|
MRHES |
1:33.14 |
1:26.77 |
-6.37 |
| 9 |
Walsh, Kelsey D (12)
|
MRLIAC |
1:35.00 |
1:26.80 |
-8.20 |
| 10 |
Syrett, Claire B (12)
|
MRASAP |
1:37.37 |
1:31.62 |
-5.75 |
| 11 |
Mischka, Camilla E (12)
|
MRSS |
1:28.65 |
1:33.13 |
4.48 |
| 12 |
Ammon, Ayaka (11)
|
MRLIFE |
1:38.75 |
1:33.30 |
-5.45 |
| 13 |
Joseph, Lucina M (11)
|
MRLIAC |
1:43.36 |
1:35.69 |
-7.67 |
| 14 |
Gatterdam, Lyla (12)
|
MRSS |
1:20.29 |
1:35.71 |
15.42 |
| 15 |
Lukenich, Eila A (12)
|
MRASAP |
|
1:36.40 |
- |
| 16 |
Seidenberg, Olivia F (11)
|
MRSS |
1:36.11 |
1:36.72 |
0.61 |
| 17 |
Smith, Ayanna (11)
|
MRHES |
|
1:37.28 |
- |
| 18 |
Lefever, Megan M (11)
|
MRASAP |
1:38.76 |
1:38.62 |
-0.14 |
| 19 |
Phillips, Leela M (12)
|
MRSS |
1:21.77 |
1:40.71 |
18.94 |
| 20 |
Grella, Samantha J (12)
|
MRLIAC |
2:05.71 |
1:43.47 |
-22.24 |
| 21 |
Cabrera Zavala, Ashley D (12)
|
MRUN |
1:47.96 |
1:46.65 |
-1.31 |
| 22 |
Cabrera Zavala, Alexa M (11)
|
MRUN |
1:55.46 |
1:47.78 |
-7.68 |
| 23 |
Rousakis, Marianna E (11)
|
MRASAP |
1:50.23 |
1:48.42 |
-1.81 |
| 24 |
Perryman, Jasmine A (12)
|
NJDESC |
|
1:57.82 |
- |
| 25 |
Howard, Mackenzie A (11)
|
NJDESC |
|
2:31.43 |
- |
| 26 |
Lopez, Idalaih (11)
|
MRUN |
1:56.15 |
2:56.95 |
60.80 |
|
Hibbert, Laura (11)
|
MRSS |
1:28.31 |
DQ |
- |
|
Calin, Stephania (11)
|
MRLIAC |
1:24.82 |
NS |
- |