| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Seidner, Mollie R (16)
|
CTHMST |
1:01.03 |
1:00.76 |
-0.27 |
| 2 |
Shemet, Nancy K (17)
|
MRTVSC |
1:00.00 |
1:01.15 |
1.15 |
| 3 |
Ma, Kimberly N (14)
|
CTBEAR |
1:00.82 |
1:01.75 |
0.93 |
| 4 |
Baione, Rebecca K (15)
|
MRRFAC |
1:01.51 |
1:01.97 |
0.46 |
| 5 |
Wong, Madeline (15)
|
MRNYCC |
1:02.37 |
1:02.75 |
0.38 |
| 6 |
Taylor, Sophia G (16)
|
MRMAKO |
1:01.77 |
1:02.88 |
1.11 |
| 7 |
Skarren, Kaley L (13)
|
MRLBA |
1:04.48 |
1:03.43 |
-1.05 |
| 8 |
Pikulik, Nicole (16)
|
MRHAA |
1:03.00 |
1:03.54 |
0.54 |
| 9 |
Fitzgerald, Nina (16)
|
NJPTAC |
1:03.73 |
1:04.31 |
0.58 |
| 10 |
Reynolds, Kerryann M (14)
|
MRHAA |
1:03.00 |
1:06.13 |
3.13 |
| 11 |
Spezia, Bernadette E (17)
|
NJBB |
1:04.77 |
1:06.70 |
1.93 |
| 12 |
Benkert, Emily R (15)
|
ADHAWK |
1:08.15 |
1:07.03 |
-1.12 |