| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chomow, Madyn E (10)
|
NJRANY |
45.97 |
46.46 |
0.49 |
| 2 |
Turano, Grace C (10)
|
NJWFY |
44.31 |
46.69 |
2.38 |
| 3 |
An, Harper Y (10)
|
NJWFY |
47.70 |
48.48 |
0.78 |
| 4 |
Zhou, Allison (10)
|
SAY |
|
50.05 |
- |
| 5 |
Mena, Mackenzie G (9)
|
NJWFY |
59.90 |
50.13 |
-9.77 |
| 6 |
McArthur, Fiona M (10)
|
SAY |
52.84 |
54.11 |
1.27 |
| 7 |
Flynn, Grace (10)
|
NJRANY |
1:01.46 |
56.69 |
-4.77 |
| 8 |
Campbell, Gabriella I (9)
|
NJRANY |
55.41 |
57.09 |
1.68 |
| 9 |
Lynch, Alice S (9)
|
SAY |
55.00 |
57.81 |
2.81 |
| 10 |
Letarte, Maia S (9)
|
SAY |
1:07.82 |
57.82 |
-10.00 |
| 11 |
Artemenko, Dabney S (8)
|
SAY |
1:05.00 |
58.59 |
-6.41 |
| 12 |
Strzelec, Charlotte C (8)
|
SAY |
1:20.00 |
1:01.76 |
-18.24 |
| 13 |
Florkiewicz, Elizabeth (9)
|
NJWFY |
|
1:02.50 |
- |
| 14 |
Walker, Ilana L (10)
|
SAY |
1:10.00 |
1:06.78 |
-3.22 |
| 15 |
Chacho-Morales, Jacey S (8)
|
SAY |
1:15.00 |
1:12.75 |
-2.25 |
|
Los, Hannah M (9)
|
NJWFY |
1:04.61 |
DQ |
- |