| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ojha, Anisha (16)
|
NJWY |
1:00.43 |
1:00.19 |
-0.24 |
| 2 |
Bundonis, Shaye M (17)
|
NJSTAC |
1:02.87 |
1:03.45 |
0.58 |
| 3 |
Magnotta, Erin D (17)
|
NJNJB |
1:03.80 |
1:05.60 |
1.80 |
| 4 |
Chanin, Isabella M (15)
|
NJHCY |
1:02.97 |
1:06.91 |
3.94 |
| 5 |
Callahan, Ella D (16)
|
NJSTAC |
1:07.38 |
1:07.94 |
0.56 |
| 6 |
Xiang, Arissa R (15)
|
NJGSCY |
1:07.46 |
1:09.64 |
2.18 |
| 7 |
Willmann, Maeve C (16)
|
NJSTAC |
1:04.98 |
1:09.82 |
4.84 |
| 8 |
Weldon, Amelia (17)
|
NJHCY |
1:11.23 |
1:11.81 |
0.58 |
| 9 |
Johnson, Sophia K (15)
|
NJSTAC |
1:12.62 |
1:14.17 |
1.55 |
| 10 |
Woodring, Michelle R (15)
|
NJHCY |
1:13.26 |
1:16.24 |
2.98 |
| 11 |
Rojewski, Melanie A (15)
|
NJHCY |
1:15.87 |
1:16.91 |
1.04 |
| 12 |
Amorim-Vieira, Emma L (16)
|
NJSTAC |
1:13.55 |
1:17.95 |
4.40 |
| 13 |
Jeans, McKenna R (16)
|
NJWY |
1:19.88 |
1:18.52 |
-1.36 |
| 14 |
Knudsen, Anya Z (15)
|
NJGSCY |
1:22.00 |
1:22.62 |
0.62 |
| 15 |
Saxena, Aarushi (15)
|
UNAT |
1:27.93 |
1:24.53 |
-3.40 |
| 16 |
Messana, Angelina (16)
|
NJGMY |
1:29.68 |
1:26.71 |
-2.97 |
| 17 |
Maher, Sarah T (17)
|
NJWY |
1:30.33 |
1:44.47 |
14.14 |
| 18 |
D'Andrea, Pasqualina (16)
|
NJHCY |
1:39.25 |
1:45.65 |
6.40 |