| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Yuan, Piper B (12)
|
NJJFAC |
1:17.78 |
1:11.78 |
-6.00 |
| 2 |
Sherpa, Lozang P (12)
|
NJJFAC |
1:19.92 |
1:20.05 |
0.13 |
| 3 |
Yildiz, Chantal (12)
|
MRSIAC |
1:20.72 |
1:21.62 |
0.90 |
| 4 |
Hung, Jingru E (11)
|
MRLIAC |
1:30.55 |
1:29.23 |
-1.32 |
| 5 |
Cardello, Emma (11)
|
MRSIAC |
1:33.97 |
1:30.01 |
-3.96 |
| 6 |
Costello, Treven M (12)
|
MRYBAR |
1:29.47 |
1:30.47 |
1.00 |
| 7 |
Tian, Maxine (12)
|
MRLIAC |
1:31.05 |
1:32.52 |
1.47 |
| 8 |
Gillman, Katherine V (12)
|
MRWSSC |
|
1:33.06 |
- |
| 9 |
Setiadi, Maya N (12)
|
MRLIAC |
1:32.47 |
1:35.48 |
3.01 |
| 10 |
Wozniak, Caroline (11)
|
MRLIFE |
1:38.52 |
1:38.27 |
-0.25 |
| 11 |
Furelli, Simone M (12)
|
MRLIAC |
1:37.51 |
1:38.71 |
1.20 |
| 12 |
Rosa, Lore I (11)
|
MRNYS |
|
1:39.43 |
- |
| 13 |
Secaur, Caroline M (12)
|
MRLIAC |
1:42.32 |
1:41.98 |
-0.34 |
| 14 |
Albright, Kennedy S (12)
|
MRLIAC |
1:40.93 |
1:44.89 |
3.96 |
| 15 |
Florio, Sophie M (11)
|
MRLIAC |
1:45.12 |
1:47.11 |
1.99 |
| 15 |
Rasmussen, Angelina M (12)
|
MRLIAC |
1:46.43 |
1:47.11 |
0.68 |
| 17 |
Burke, Mackenzie J (11)
|
MRLIAC |
1:54.34 |
1:47.33 |
-7.01 |
| 18 |
Caiaccia, Casey A (11)
|
MRLIAC |
1:48.00 |
1:47.94 |
-0.06 |
| 19 |
Hoffman, Maya L (11)
|
MRLIAC |
1:59.37 |
1:50.61 |
-8.76 |
| 20 |
Bagwell, Rosie (11)
|
MRLIFE |
|
1:52.85 |
- |
| 21 |
Halsted, Saranda (11)
|
MRLIAC |
1:53.04 |
1:53.80 |
0.76 |
| 22 |
Shefsky, Leah (11)
|
MRNRAC |
2:25.84 |
2:03.04 |
-22.80 |
| 23 |
Barberis, Evalynn (11)
|
MRNRAC |
2:20.66 |
2:06.18 |
-14.48 |
| 24 |
Devor, Kyleigh B (11)
|
MRSSL |
|
2:14.00 |
- |
| 25 |
Lynch, Madison A (11)
|
MRNRAC |
2:22.66 |
2:23.16 |
0.50 |
|
McElhatton-Powers, Ella J (11)
|
MRSSL |
|
DQ |
- |
|
Rhee, Monica (12)
|
MRLIAC |
1:20.07 |
NS |
- |
|
Pedersen, Ella R (11)
|
MRLIAC |
1:31.98 |
NS |
- |