| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fagan, Marie T (15)
|
NJSCAR |
59.50 |
59.37 |
-0.13 |
| 2 |
Halper, Sophie R (17)
|
MRYFD |
59.20 |
59.77 |
0.57 |
| 3 |
Freund, Jessica N (14)
|
MRSSC |
59.85 |
59.88 |
0.03 |
| 4 |
Gallagher, Liz P (15)
|
MRHAA |
1:01.00 |
1:00.94 |
-0.06 |
| 5 |
Siegel, Lauren S (15)
|
MRPATS |
1:01.92 |
1:01.27 |
-0.65 |
| 6 |
Burns, Delaney M (17)
|
NEWW |
1:00.60 |
1:01.31 |
0.71 |
| 7 |
Madison, Calley A (16)
|
NEWW |
59.10 |
1:02.08 |
2.98 |
| 8 |
Minigell, Theresa M (17)
|
NITTSC |
1:01.10 |
1:02.14 |
1.04 |
| 9 |
Schlackman, Olivia C (15)
|
NJBB |
|
1:02.85 |
- |
| 10 |
Schoenfeld, Sarah L (17)
|
MRTVSC |
1:03.00 |
1:03.66 |
0.66 |
| 11 |
Reynolds, Margaret H (17)
|
MRHAA |
1:01.00 |
1:04.19 |
3.19 |
| 12 |
Magee, Brianna R (15)
|
MRHAA |
1:05.00 |
1:04.54 |
-0.46 |
| 13 |
Howard, Grace J (14)
|
MRHAA |
1:03.00 |
1:05.14 |
2.14 |
| 14 |
Stacey, Sarah E (18)
|
NJBB |
|
1:06.49 |
- |
| 15 |
Calianese, Nicole A (14)
|
NJBB |
|
1:08.95 |
- |