| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Del Castillo, Elina (10)
|
MRCOND |
1:23.16 |
1:22.32 |
-0.84 |
| 2 |
Vitti, Kate L (10)
|
MRBGNW |
1:34.41 |
1:25.89 |
-8.52 |
| 3 |
Arnall, Ines M (9)
|
MRAGUA |
1:25.68 |
1:29.20 |
3.52 |
| 4 |
Dwyer, Kayla M (10)
|
MRCOND |
1:34.15 |
1:31.85 |
-2.30 |
| 5 |
Arnall, Alba (9)
|
MRAGUA |
1:25.89 |
1:37.22 |
11.33 |
| 6 |
Briceno, Isabella (8)
|
MRNYSA |
1:48.90 |
1:41.16 |
-7.74 |
| 7 |
Medina, Ava M (9)
|
MRCOND |
1:38.50 |
1:42.94 |
4.44 |
| 8 |
Ross Allen, Zoe F (9)
|
MRAGUA |
1:45.89 |
1:44.24 |
-1.65 |
| 9 |
Anselmi, Margeaux L (10)
|
MRCOND |
1:42.10 |
1:44.72 |
2.62 |
| 10 |
Arciniegas, Alessandra (9)
|
MRCOND |
1:40.73 |
1:45.92 |
5.19 |
| 11 |
McLaughlin, Arden A (10)
|
MRNYSA |
1:40.77 |
1:48.32 |
7.55 |
| 12 |
Borbe, Tamara Nicole S (10)
|
NJJFAC |
1:48.17 |
1:51.19 |
3.02 |
| 13 |
Benjamin, Mia (10)
|
MRRA |
2:00.22 |
1:52.22 |
-8.00 |
| 14 |
Cho, Katie (10)
|
MRCOND |
1:52.00 |
2:00.10 |
8.10 |
| 15 |
Afanasewicz, Carly M (8)
|
MRNYSA |
1:32.59 |
2:12.16 |
39.57 |
| 16 |
Lee, Olivia (10)
|
MRCOND |
2:13.88 |
2:13.24 |
-0.64 |
| 17 |
Banta, Parker E (10)
|
MRBGNW |
2:30.00 |
2:16.90 |
-13.10 |