| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kim, Taeryn (11)
|
MRPAC |
1:04.37 |
1:03.53 |
-0.84 |
| 2 |
Fishman, Julianne J (11)
|
MRWEST |
1:05.15 |
1:06.00 |
0.85 |
| 3 |
Zhang, Kaitlyn H (11)
|
MRPAC |
1:10.74 |
1:11.34 |
0.60 |
| 4 |
Valenzuela, Sofia P (11)
|
MRBGNW |
1:16.95 |
1:15.08 |
-1.87 |
| 5 |
Garcia-Alonso, Alexia (11)
|
CTGRYM |
1:18.44 |
1:16.63 |
-1.81 |
| 6 |
Tait, Charlotte J (11)
|
CTGRYM |
1:15.34 |
1:17.31 |
1.97 |
| 7 |
Wolfe, Annabel (11)
|
MRBGNW |
1:19.99 |
1:18.45 |
-1.54 |
| 8 |
Ho, Annika J (11)
|
MRBGNW |
1:18.57 |
1:19.79 |
1.22 |
| 9 |
Svrcek, Laura (11)
|
MRBGNW |
1:20.97 |
1:22.80 |
1.83 |
| 10 |
Ciobanu, Ella C (11)
|
MRPAC |
1:19.47 |
1:24.44 |
4.97 |
| 11 |
Nicholas, Grace A (11)
|
MRBGNW |
1:24.14 |
1:26.20 |
2.06 |
| 12 |
Gorog, Sofia (11)
|
CTGRYM |
1:24.75 |
1:27.20 |
2.45 |
| 13 |
Honey, Olivia M (11)
|
CTGRYM |
1:26.76 |
1:27.99 |
1.23 |
| 14 |
Hennessee, Willa G (11)
|
MRBGNW |
1:29.92 |
1:29.47 |
-0.45 |
| 15 |
Rios, Alanna M (11)
|
MRBGNW |
1:27.64 |
1:30.48 |
2.84 |
| 16 |
McGourty, Rosemary A (11)
|
MRBGNW |
1:27.69 |
1:31.89 |
4.20 |
| 17 |
Yu, Ella F (11)
|
CTGRYM |
1:29.06 |
1:33.44 |
4.38 |
| 18 |
Rivard, Eliana J (11)
|
MRPAC |
1:34.23 |
1:37.38 |
3.15 |
| 19 |
Chiafari, Olivia B (11)
|
MRBGNW |
|
1:42.85 |
- |
| 20 |
Muthu Manikandan, Sanvi (11)
|
MRPAC |
1:48.62 |
1:47.87 |
-0.75 |