| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Zhang, Kaitlyn H (11)
|
MRPAC |
1:11.78 |
1:11.76 |
-0.02 |
| 2 |
Kim, Taeryn (11)
|
MRPAC |
1:13.45 |
1:13.66 |
0.21 |
| 3 |
Fishman, Julianne J (11)
|
MRWEST |
1:15.80 |
1:16.80 |
1.00 |
| 4 |
Tait, Charlotte J (11)
|
CTGRYM |
1:23.20 |
1:25.15 |
1.95 |
| 5 |
Hehman, Isabelle R (11)
|
MRBGNW |
1:26.62 |
1:26.49 |
-0.13 |
| 6 |
Wolfe, Annabel (11)
|
MRBGNW |
1:25.84 |
1:26.94 |
1.10 |
| 7 |
Garcia-Alonso, Alexia (11)
|
CTGRYM |
1:33.87 |
1:30.74 |
-3.13 |
| 8 |
Dennis, Ellen E (11)
|
CTGRYM |
1:42.95 |
1:31.37 |
-11.58 |
| 9 |
Lovig, Chloe M (11)
|
MRBGNW |
1:35.59 |
1:32.34 |
-3.25 |
| 10 |
Gorog, Sofia (11)
|
CTGRYM |
1:33.14 |
1:34.16 |
1.02 |
| 11 |
Ciobanu, Ella C (11)
|
MRPAC |
1:30.55 |
1:34.20 |
3.65 |
| 12 |
Hennessee, Willa G (11)
|
MRBGNW |
1:36.64 |
1:34.56 |
-2.08 |
| 13 |
Valenzuela, Sofia P (11)
|
MRBGNW |
1:31.95 |
1:35.92 |
3.97 |
| 14 |
Nicholas, Grace A (11)
|
MRBGNW |
1:35.40 |
1:38.08 |
2.68 |
| 15 |
Svrcek, Laura (11)
|
MRBGNW |
1:35.64 |
1:39.67 |
4.03 |
| 16 |
McGourty, Rosemary A (11)
|
MRBGNW |
1:44.07 |
1:40.03 |
-4.04 |
| 17 |
Rios, Alanna M (11)
|
MRBGNW |
1:44.61 |
1:40.65 |
-3.96 |
| 18 |
Henkes, Julia E (11)
|
CTGRYM |
1:38.65 |
1:40.99 |
2.34 |
| 19 |
Honey, Olivia M (11)
|
CTGRYM |
1:37.81 |
1:42.42 |
4.61 |
| 20 |
Yu, Ella F (11)
|
CTGRYM |
1:42.88 |
1:43.27 |
0.39 |
| 21 |
Rivard, Eliana J (11)
|
MRPAC |
1:43.00 |
1:44.39 |
1.39 |