| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Furtado, Aanya M (7)
|
NJJFAC |
50.72 |
46.21 |
-4.51 |
| 2 |
Bellflowers, Molly J (7)
|
NJNJB |
52.24 |
49.04 |
-3.20 |
| 3 |
Olson, Sadie E (8)
|
MREAST |
53.97 |
49.40 |
-4.57 |
| 4 |
Dutzi, Julia M (8)
|
NJNJB |
48.56 |
49.62 |
1.06 |
| 5 |
Trowers, Summer Lin L (7)
|
NJJFAC |
51.23 |
50.72 |
-0.51 |
| 6 |
Leuzzi, Brydan P (8)
|
MRCOND |
53.35 |
51.35 |
-2.00 |
| 7 |
Johnson, Abby K (7)
|
MREAST |
1:05.88 |
54.00 |
-11.88 |
| 8 |
Molloy, Isabelle M (8)
|
MRCOND |
59.12 |
57.41 |
-1.71 |
| 9 |
Kuruvilla, Gabriella A (8)
|
MRCOND |
|
1:00.82 |
- |
| 10 |
Hogan, Gabby M (8)
|
MRNYSA |
1:04.62 |
1:01.19 |
-3.43 |
| 11 |
Johnson, Serena A (8)
|
MREAST |
1:04.88 |
1:04.78 |
-0.10 |
| 12 |
Doyle, Charlotte E (7)
|
MRCOND |
|
1:05.17 |
- |
| 13 |
Cope, Zoe C (8)
|
MRNYSA |
1:04.52 |
1:05.94 |
1.42 |
| 14 |
Kuruvilla, Rebecca M (8)
|
MRCOND |
|
1:10.63 |
- |
| 15 |
McCargo, August C (8)
|
MRNYSA |
1:30.75 |
1:13.60 |
-17.15 |
| 16 |
Holihan, Riley J (8)
|
MRCOND |
|
1:14.19 |
- |