| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Park, Subeen (15)
|
ADCLIN |
1:11.21 |
1:12.59 |
1.38 |
| 2 |
O'Brien, Raegan M (16)
|
ADUSAM |
1:17.12 |
1:15.11 |
-2.01 |
| 3 |
Bigwarfe, Kayleigh M (18)
|
ADDELM |
1:17.21 |
1:15.69 |
-1.52 |
| 4 |
Napoli, Julia R (16)
|
ADHAWK |
1:15.51 |
1:16.35 |
0.84 |
| 5 |
Loiacano, Reina L (16)
|
ADNHA |
1:20.06 |
1:19.74 |
-0.32 |
| 6 |
Wey, Natalie R (17)
|
ADDELM |
1:15.34 |
1:20.34 |
5.00 |
| 7 |
Catalano, Lucy C (17)
|
ADCPP |
1:19.87 |
1:20.60 |
0.73 |
| 8 |
Jaros, Abigail A (17)
|
ADNHA |
1:20.00 |
1:20.86 |
0.86 |
| 9 |
Park, Juhyun (17)
|
ADCLIN |
1:15.92 |
1:21.07 |
5.15 |
| 10 |
Tibbetts, Emily E (15)
|
ADBENN |
1:21.61 |
1:21.16 |
-0.45 |
| 11 |
Czajkowski, Izabella (17)
|
ADCPP |
1:14.25 |
1:21.51 |
7.26 |
| 12 |
Callanan, Shay O (16)
|
ADBENN |
1:22.24 |
1:23.24 |
1.00 |
| 13 |
Blodgett, Sage E (15)
|
ADDELM |
1:21.73 |
1:23.34 |
1.61 |
| 14 |
Morse, Sophia E (17)
|
ADDELM |
1:17.33 |
1:23.77 |
6.44 |
| 15 |
Guha, Mahika (16)
|
ADCPP |
1:23.41 |
1:24.44 |
1.03 |
| 16 |
Reale, Margaret C (15)
|
ADNHA |
|
1:27.11 |
- |
| 16 |
Turan, Isabelle R (16)
|
ADUSAM |
1:58.46 |
1:27.11 |
-31.35 |
| 18 |
Lutz, Olivia G (15)
|
ADJJSC |
1:29.52 |
1:27.21 |
-2.31 |
| 19 |
Oathout, Eve L (15)
|
ADUSAM |
1:30.61 |
1:28.06 |
-2.55 |
| 20 |
Tuomela, Ryan E (18)
|
ADGRGF |
1:31.03 |
1:29.35 |
-1.68 |
| 21 |
McShane, Sarah M (18)
|
ADJJSC |
1:26.51 |
1:29.65 |
3.14 |
| 22 |
Eisler, Alexis A (16)
|
ADCPP |
1:30.76 |
1:34.13 |
3.37 |
| 23 |
Linehan, Kathryn J (16)
|
ADGRGF |
1:34.75 |
1:36.97 |
2.22 |
| 24 |
Corniel, Anabel S (15)
|
ADJJSC |
1:36.22 |
1:38.18 |
1.96 |
| 25 |
Flusche, Malia E (17)
|
ADCPP |
1:48.18 |
1:51.52 |
3.34 |