| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Dalton, Ciara I (12)
|
MRBGNW |
37.56 |
38.24 |
0.68 |
| 2 |
Mungroo, Melissa R (12)
|
MRCOND |
35.88 |
38.34 |
2.46 |
| 3 |
Kamal, Sarah M (11)
|
MRBGNW |
39.44 |
39.84 |
0.40 |
| 4 |
Moane, Courtney (11)
|
MRWAC |
42.00 |
42.21 |
0.21 |
| 5 |
McCafferty, Deirdre (12)
|
MRWAC |
42.60 |
42.37 |
-0.23 |
| 6 |
Muszynski, Amanda (12)
|
MRHS |
42.84 |
42.59 |
-0.25 |
| 7 |
Nunez, Gabriella A (12)
|
MRBGNW |
45.16 |
44.13 |
-1.03 |
| 8 |
Hayes, Brenna A (12)
|
MRPATS |
46.75 |
44.98 |
-1.77 |
| 9 |
Labita, Julia (11)
|
MRNYSA |
48.93 |
46.32 |
-2.61 |
| 10 |
Hasegawa, Kano (12)
|
MRYMID |
47.19 |
46.36 |
-0.83 |
| 11 |
Tassio, Tara J (12)
|
MRSPAR |
44.99 |
46.76 |
1.77 |
| 12 |
Weglarz, Juliet R (11)
|
MRSPAR |
47.54 |
47.36 |
-0.18 |
| 13 |
Guardino, Mya E (12)
|
MRPATS |
45.06 |
47.75 |
2.69 |
| 14 |
Desiderio, Sarah P (11)
|
MRBGNW |
49.49 |
48.23 |
-1.26 |
| 15 |
Hayes, Alana S (11)
|
MRPATS |
52.43 |
50.78 |
-1.65 |
| 16 |
Palmer, Elizabeth K (11)
|
MRCOND |
49.78 |
51.06 |
1.28 |
| 17 |
Heisenberg, Charlotte E (12)
|
MRBGNW |
53.38 |
51.08 |
-2.30 |
| 18 |
Yim, Taylor H (12)
|
NJNJRC |
49.36 |
51.14 |
1.78 |
| 19 |
Scanlon-Young, Sophia A (12)
|
MRCOND |
50.06 |
51.20 |
1.14 |
| 20 |
McHeffey, Erin M (12)
|
NJNJRC |
55.17 |
51.28 |
-3.89 |
| 21 |
Hallac, Anna C (11)
|
MRBGNW |
50.62 |
51.42 |
0.80 |
| 22 |
Fourie, Danae (12)
|
MRCOND |
49.94 |
51.58 |
1.64 |
| 23 |
Beneat, Nicole M (12)
|
MRMWSC |
51.01 |
52.54 |
1.53 |
| 24 |
Mourikis, Julia (11)
|
MRCOND |
55.89 |
53.21 |
-2.68 |
| 25 |
Bauer, Demi J (11)
|
MRSPAR |
52.19 |
54.03 |
1.84 |
| 26 |
Puentes, Emily (12)
|
MRWAC |
55.00 |
54.32 |
-0.68 |
| 27 |
Wu, Katherine A (12)
|
MRCOND |
53.11 |
56.37 |
3.26 |
| 28 |
Gagnon, Chloe (11)
|
MRYMID |
|
59.77 |
- |
|
Jin, Lena (11)
|
NJWAVE |
54.26 |
DQ |
- |
|
Ugalde, Adriana M (11)
|
MRYMID |
1:09.24 |
DQ |
- |