| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Martin, Annabelle J (10)
|
NESAIL |
40.15 |
40.94 |
0.79 |
| 2 |
Hehir, Aida R (10)
|
NEDHH |
41.61 |
41.00 |
-0.61 |
| 3 |
Carline, Brooke A (10)
|
NEHAY |
40.70 |
41.59 |
0.89 |
| 4 |
Harrington, Kaitlyn R (10)
|
NEWACK |
44.45 |
45.06 |
0.61 |
| 5 |
Bluman, Tenney A (10)
|
NEDHH |
48.01 |
48.52 |
0.51 |
| 6 |
Russo, Lucinda P (10)
|
NEWW |
58.97 |
49.75 |
-9.22 |
| 7 |
Feole-Haughey, Jaedyn B (10)
|
NEENVY |
|
51.19 |
- |
| 8 |
Niedbala, Nora C (10)
|
NEWEST |
52.34 |
51.38 |
-0.96 |
| 9 |
Rogers, Katelyn C (10)
|
NEHAY |
56.80 |
51.91 |
-4.89 |
| 10 |
Bhushan, Shriya (8)
|
NEHAY |
57.79 |
59.89 |
2.10 |
| 11 |
Lombard, Clara G (10)
|
NEKING |
|
1:03.91 |
- |
| 12 |
Millan, Sofia (10)
|
MRLIFE |
55.98 |
1:04.54 |
8.56 |
|
Pruitt, Fiona G (7)
|
NEHAY |
|
DQ |
- |
|
Engeland, Molly E (10)
|
NEDHH |
|
NS |
- |