| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kaps, Martyna (11)
|
MRMPNY |
41.92 |
41.63 |
-0.29 |
| 2 |
Correa, Olivia (12)
|
MRTRI$ |
49.07 |
42.14 |
-6.93 |
| 3 |
Parikh, Rayna (12)
|
MRNYCC |
42.17 |
42.57 |
0.40 |
| 4 |
Zgrivets, Michelle (12)
|
MRMPNY |
45.95 |
43.44 |
-2.51 |
| 5 |
Barbatsoulis, Mya (12)
|
MRNYCC |
51.05 |
44.18 |
-6.87 |
| 6 |
Abbas, Menna (12)
|
MRTRI$ |
49.65 |
44.68 |
-4.97 |
| 7 |
Salazar, Emily A (12)
|
MRAPEX |
49.09 |
44.72 |
-4.37 |
| 8 |
Chernishova, Maria E (12)
|
MRSHY |
44.64 |
44.94 |
0.30 |
| 9 |
Bieganowski, Maya A (12)
|
MRQNS |
46.33 |
45.03 |
-1.30 |
| 10 |
Tan, Sayjel E (12)
|
MRQNS |
59.21 |
45.27 |
-13.94 |
| 11 |
Vilensky, Isabel T (11)
|
MRMPNY |
46.89 |
45.31 |
-1.58 |
| 12 |
Edwards, Lisia (12)
|
MRNYCC |
46.27 |
45.80 |
-0.47 |
| 13 |
Moran, Laura A (12)
|
MRUN |
43.00 |
46.00 |
3.00 |
| 14 |
Huang, Kejin (12)
|
MRQNS |
46.46 |
46.30 |
-0.16 |
| 15 |
Babyak, Eliza G (11)
|
MRBAD |
42.72 |
46.36 |
3.64 |
| 16 |
Dougherty, Amy (12)
|
MRBAD |
46.81 |
46.52 |
-0.29 |
| 17 |
Tavitian, Charlize S (11)
|
MRBAD |
48.73 |
47.72 |
-1.01 |
| 18 |
Wong, Jacqueline (11)
|
MRNYCC |
50.50 |
47.99 |
-2.51 |
| 19 |
Lazebnik, Gianetta (11)
|
MRMPNY |
50.52 |
48.80 |
-1.72 |
| 20 |
Bediner, Tiffany (12)
|
MRTRI$ |
51.58 |
48.81 |
-2.77 |
| 21 |
Bessonette, Anna C (11)
|
MRJCCT |
49.09 |
49.22 |
0.13 |
| 22 |
Brun, Sienna R (11)
|
MRAPEX |
55.11 |
52.17 |
-2.94 |
| 23 |
Chamla, Alicia (11)
|
MRRIST |
55.68 |
54.10 |
-1.58 |
| 24 |
Ye, Jacqueline J (11)
|
MRJCCT |
49.62 |
55.59 |
5.97 |
| 25 |
Kambhampati, Arya L (11)
|
MRJCCT |
1:13.48 |
1:00.53 |
-12.95 |
| 26 |
Jimenez, Kaitlyn (11)
|
MRQNS |
1:03.31 |
1:01.65 |
-1.66 |
| 28 |
Kolodziej, Malvina (11)
|
MRTRI$ |
1:00.00 |
1:10.84 |
10.84 |
| 29 |
Mavashev, Diana (11)
|
MRTRI |
1:15.91 |
1:11.63 |
-4.28 |
|
Belkin, Ali (11)
|
MRTRI$ |
1:00.00 |
NS |
- |
|
Evenko, Veronica (11)
|
MRTRI$ |
57.00 |
NS |
- |