| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Leshnower, Marin E (17)
|
NJLHY |
59.51 |
55.61 |
-3.90 |
| 2 |
Ruhnke, Jacqueline R (15)
|
NJLHY |
59.51 |
56.95 |
-2.56 |
| 3 |
Lall, Symran C (15)
|
NJLHY |
58.22 |
57.69 |
-0.53 |
| 4 |
Gallagher, Ashlyn (17)
|
NJGMY |
57.30 |
59.51 |
2.21 |
| 5 |
Stefanides, Isabella N (17)
|
NJLHY |
1:00.80 |
1:03.18 |
2.38 |
| 6 |
Fazio, Kylie M (15)
|
NJRANY |
1:08.86 |
1:03.94 |
-4.92 |
| 7 |
Ostrander, Hailey A (16)
|
NJGMY |
1:01.26 |
1:04.19 |
2.93 |
| 8 |
Shouldis, Elyse K (15)
|
NJGMY |
1:05.52 |
1:09.53 |
4.01 |
| 9 |
Titolo, Julia (15)
|
NJGMY |
1:12.13 |
1:11.32 |
-0.81 |
| 10 |
Ippolito, Jessica A (15)
|
NJGMY |
1:09.65 |
1:13.33 |
3.68 |