| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Nitzkorski, Ella F (12)
|
MRRFAC |
45.11 |
40.25 |
-4.86 |
| 2 |
Courtney, Charlotte T (11)
|
MRNDAC |
50.15 |
43.91 |
-6.24 |
| 3 |
Catenacci, Emma E (12)
|
MRNDAC |
46.22 |
43.97 |
-2.25 |
| 4 |
Almeida, Millicent F (11)
|
NESNAP |
47.00 |
45.27 |
-1.73 |
| 5 |
Yereance, Addison L (11)
|
MRRFAC |
50.34 |
47.81 |
-2.53 |
| 6 |
Webb, Sarah A (11)
|
MRNDAC |
49.94 |
48.66 |
-1.28 |
| 7 |
Eckert, Lucy M (11)
|
MRNDAC |
56.20 |
48.97 |
-7.23 |
| 8 |
Mouligneau, Elsa I (11)
|
MRNDAC |
54.03 |
49.53 |
-4.50 |
| 9 |
Kaiser, Norah F (12)
|
MRNDAC |
49.45 |
50.12 |
0.67 |
| 10 |
Melchin, Regan M (12)
|
MRNDAC |
1:01.19 |
51.45 |
-9.74 |
| 11 |
Lewis-Hegney, Quinn M (11)
|
MRNDAC |
|
52.70 |
- |
| 12 |
FitzgeraldVanloan, Hadley (12)
|
MRNDAC |
55.02 |
54.90 |
-0.12 |
| 13 |
Miller, Braelyn G (12)
|
NESNAP |
52.38 |
55.62 |
3.24 |
| 14 |
Lopez-leon, Camila V (12)
|
MRNDAC |
53.38 |
57.07 |
3.69 |
|
Petrocelli, Annabella S (11)
|
MRRFAC |
|
DQ |
- |
|
Kui, Hannah F (11)
|
MRRFAC |
|
DQ |
- |
|
Scheunemann, Lilah M (12)
|
MRNDAC |
|
DQ |
- |
|
Miller, Adelyn J (12)
|
NESNAP |
1:01.15 |
NS |
- |