| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mora-Castillo, Isabella * (17)
|
MREAST |
58.13 |
58.48 |
0.35 |
| 2 |
Stoll, Olivia P (17)
|
MREAST |
1:01.57 |
1:02.03 |
0.46 |
| 3 |
D'Alessandro, Lena G (15)
|
MREAST |
1:06.48 |
1:04.18 |
-2.30 |
| 4 |
Kelly, Grace K (16)
|
MREAST |
1:01.46 |
1:05.18 |
3.72 |
| 5 |
Barbosa, Jordan M (17)
|
MREAST |
1:05.68 |
1:07.87 |
2.19 |
| 6 |
Goldberg, Sydney P (15)
|
MREAST |
1:09.66 |
1:08.83 |
-0.83 |
| 7 |
Chen, Ella Y (14)
|
MREAST |
1:10.18 |
1:11.15 |
0.97 |
| 8 |
Mello, Anna E (17)
|
MREAST |
1:07.84 |
1:12.24 |
4.40 |
| 9 |
Stemkowski, Sophia A (16)
|
MREAST |
1:11.83 |
1:13.20 |
1.37 |
| 10 |
Otis, Luella K (13)
|
MREAST |
1:14.10 |
1:15.77 |
1.67 |
| 11 |
Xie, Sophie (13)
|
MREAST |
1:17.40 |
1:16.28 |
-1.12 |
| 12 |
Constantino, Kelly E (13)
|
MRUN |
1:26.43 |
1:17.87 |
-8.56 |
| 13 |
An, Gabrielle E (14)
|
MREAST |
1:17.46 |
1:18.48 |
1.02 |
| 14 |
Wang, Melissa R (13)
|
MREAST |
1:20.53 |
1:20.82 |
0.29 |
| 15 |
Riley, Emily C (14)
|
MREAST |
1:27.21 |
1:31.66 |
4.45 |
| 16 |
Sharma, Diya R (13)
|
MREAST |
2:02.93 |
2:00.78 |
-2.15 |
|
Nalepka, Katherine J (14)
|
MREAST |
1:14.00 |
NS |
- |