| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wolf, Malia O (15)
|
NJCJAC |
57.22 |
58.06 |
0.84 |
| 2 |
Hoagland, Kayleigh T (16)
|
NJCJAC |
58.89 |
58.98 |
0.09 |
| 3 |
Shusta, Caroline E (18)
|
NEFINS |
1:00.29 |
1:00.00 |
-0.29 |
| 4 |
Farrell, Caroline E (15)
|
MRLBA |
1:00.22 |
1:00.01 |
-0.21 |
| 5 |
Gaudet, Sarah M (13)
|
MRLBA |
1:02.10 |
1:00.07 |
-2.03 |
| 6 |
Subramaniam, Hannah S (15)
|
CTGRYM |
58.59 |
1:00.21 |
1.62 |
| 7 |
Pribis, Alaina M (17)
|
NEMST |
59.20 |
1:00.40 |
1.20 |
| 8 |
Moriarty, Grace M (18)
|
CTNMEG |
1:01.69 |
1:04.12 |
2.43 |
| 9 |
Beals, Nicole E (17)
|
NEMST |
1:05.60 |
1:05.97 |
0.37 |
| 10 |
Lai, Stephanie R (14)
|
MRNYCC |
1:02.02 |
1:06.37 |
4.35 |
| 11 |
Christensen, Sydney L (13)
|
NICAGO |
1:04.47 |
1:07.03 |
2.56 |