| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rizzi, Amelia E (15)
|
NJGMNY |
55.42 |
58.06 |
2.64 |
| 2 |
Vendel, Lia A (15)
|
NJGMNY |
58.06 |
59.09 |
1.03 |
| 3 |
Chan, Lauren A (16)
|
NJHACY |
56.64 |
59.33 |
2.69 |
| 4 |
Marjamaa, Sky M (15)
|
NJGMNY |
55.59 |
59.46 |
3.87 |
| 5 |
Mora, Barbara A (16)
|
NJGMNY |
1:00.98 |
1:00.44 |
-0.54 |
| 6 |
Billitteri, Alexandra (16)
|
NJGMNY |
57.17 |
1:00.74 |
3.57 |
| 7 |
Murphy, Heather N (16)
|
NJHACY |
58.16 |
1:00.80 |
2.64 |
| 8 |
Richter, Maeve (15)
|
NJGMNY |
57.54 |
1:02.38 |
4.84 |
| 9 |
Goldstein, Nicole H (16)
|
NJGMNY |
1:01.18 |
1:03.93 |
2.75 |
| 10 |
Lichtenstein, Amanda E (17)
|
NJHACY |
1:01.34 |
1:04.02 |
2.68 |
| 11 |
Lee, Christina (17)
|
NJGMNY |
1:04.60 |
1:07.03 |
2.43 |
| 12 |
Felsmann, Kirstin E (17)
|
NJGMNY |
1:01.72 |
1:07.75 |
6.03 |
| 13 |
Peterson, Nora E (15)
|
NJHACY |
1:02.89 |
1:09.15 |
6.26 |
| 14 |
Karmaker, Prajna (15)
|
NJHACY |
1:28.93 |
1:25.12 |
-3.81 |