| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Barton, Samantha M (10)
|
NEBYB |
39.35 |
39.67 |
0.32 |
| 2 |
Krutiy, Sophia A (10)
|
NEBYB |
41.90 |
40.34 |
-1.56 |
| 3 |
Paulsen, Laila S (10)
|
NEBYB |
42.66 |
41.59 |
-1.07 |
| 4 |
Santoro, Emma R (10)
|
NEBYB |
45.63 |
42.40 |
-3.23 |
| 5 |
Chamnankit, Pamela P (10)
|
NEANA |
49.40 |
46.96 |
-2.44 |
| 6 |
McGourty, Juliet H (9)
|
NEBYB |
48.61 |
47.13 |
-1.48 |
| 7 |
Wagner, Elie J (9)
|
NEBYB |
49.94 |
47.73 |
-2.21 |
| 8 |
Wieczorek, Amelia H (10)
|
NEANA |
|
47.88 |
- |
| 9 |
Robitaille, Ava N (9)
|
NEANA |
53.27 |
51.00 |
-2.27 |
| 10 |
Delano, Casey C (9)
|
NEANA |
50.22 |
51.62 |
1.40 |
| 11 |
La Francesca, Maria A (10)
|
NEBYB |
1:09.87 |
54.97 |
-14.90 |
| 12 |
Bene, Juliette Z (9)
|
NEANA |
|
57.25 |
- |
| 13 |
Cote, Carolyn B (10)
|
NEBYB |
1:09.68 |
57.64 |
-12.04 |
| 14 |
Padilla, Amaya H (10)
|
NEANA |
|
1:00.44 |
- |
| 15 |
Oostman, Maeve L (9)
|
NEBYB |
1:21.21 |
1:05.07 |
-16.14 |
| 16 |
Cataldi, Julia E (9)
|
NEBYB |
1:05.00 |
1:06.06 |
1.06 |
| 17 |
Chijanoschi, Ervy (9)
|
NEBYB |
55.00 |
1:08.12 |
13.12 |
|
Betcher, Grace E (10)
|
NEBYB |
1:15.00 |
DQ |
- |
|
Fustolo, Madelyn G (8)
|
NEBYB |
1:10.00 |
DQ |
- |
|
Mattson, Charlotte (10)
|
NEBYB |
1:05.00 |
DQ |
- |