| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wong, Joyce H (15)
|
MRHS |
36.96 |
34.59 |
-2.37 |
| 2 |
Hanin, Katherine P (15)
|
MRHS |
39.56 |
37.44 |
-2.12 |
| 3 |
Limeta, Lorely (15)
|
MRUN |
39.94 |
38.84 |
-1.10 |
| 4 |
Gershanok, Marta E (13)
|
NJWAVE |
38.55 |
38.91 |
0.36 |
| 4 |
Norton, Madeline M (14)
|
ADUSAM |
37.29 |
38.91 |
1.62 |
| 6 |
Huang, Chloe K (14)
|
MRHS |
39.12 |
39.54 |
0.42 |
| 7 |
Giusiano, Mia (15)
|
MRUN |
37.41 |
39.70 |
2.29 |
| 8 |
Valadez, Ofelia M (17)
|
MRAPEX |
38.55 |
39.99 |
1.44 |
| 9 |
Hernandez, Sury (13)
|
MRNYCP |
38.00 |
40.26 |
2.26 |
| 10 |
Banja, Cristal * (13)
|
MRHS |
41.88 |
41.24 |
-0.64 |
| 11 |
Javier, Chrisabella K (16)
|
MRAPEX |
44.66 |
42.19 |
-2.47 |
| 12 |
Ewald, Sydney (13)
|
MRNCAC |
40.00 |
42.47 |
2.47 |
| 13 |
Canon, Nicole (14)
|
MRUN |
44.28 |
42.92 |
-1.36 |
| 14 |
Adamo, Gabriella R (14)
|
ADUSAM |
42.74 |
43.62 |
0.88 |
| 15 |
Koch, Samantha W (13)
|
MRUN |
50.88 |
44.69 |
-6.19 |
| 16 |
Chabert, Kianna A (15)
|
MRAPEX |
|
44.79 |
- |
| 17 |
Dilone Amaro, Yenifer (15)
|
MRAPEX |
|
45.64 |
- |
| 18 |
Chavez, Gabrielle M (16)
|
MRAPEX |
54.29 |
55.43 |
1.14 |