| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chong, Vanessa (15)
|
MRLGAC |
|
24.17 |
- |
| 2 |
Kwok, Joyce B (24)
|
MRLGAC |
24.02 |
24.19 |
0.17 |
| 3 |
Liew, Briana J (16)
|
MRUN |
25.91 |
24.70 |
-1.21 |
| 4 |
Egan, Orla M (15)
|
MRLGAC |
24.93 |
25.04 |
0.11 |
| 5 |
Youssef, Lara S (16)
|
MRLGAC |
25.61 |
25.62 |
0.01 |
| 6 |
Moeslinger, Natasha V (16)
|
MRUN |
|
25.99 |
- |
| 7 |
LePique, Maya F (15)
|
MRRED |
26.37 |
26.15 |
-0.22 |
| 8 |
Leal, Nancy (15)
|
MRRED |
26.34 |
26.33 |
-0.01 |
| 9 |
Aclao, Joromya (15)
|
MRQNS |
26.21 |
26.84 |
0.63 |
| 10 |
Li, Madison J (16)
|
MRQNS |
27.35 |
27.14 |
-0.21 |
| 11 |
Wang, Kristina H (17)
|
MRRA |
26.53 |
27.16 |
0.63 |
| 12 |
Maffucci, Ava J (15)
|
MRRA |
27.06 |
27.28 |
0.22 |
| 13 |
Guarnieri, Emma F (16)
|
MRRA |
27.40 |
27.36 |
-0.04 |
| 14 |
Conlan, Olivia (15)
|
MRQNS |
27.17 |
27.56 |
0.39 |
| 15 |
McNamara, Jane (15)
|
MRQNS |
28.32 |
27.81 |
-0.51 |
| 16 |
Ugarte, Olivia P (15)
|
MRFLY |
27.65 |
27.83 |
0.18 |
| 17 |
Sandoval, Candela (15)
|
MRQNS |
27.70 |
27.91 |
0.21 |
| 18 |
Monica, Amelia C (17)
|
MRRA |
28.16 |
28.79 |
0.63 |
| 19 |
Hyun, Faith (13)
|
MRGATE |
28.00 |
29.40 |
1.40 |
| 20 |
Leung, Elli (15)
|
MRFLY |
28.80 |
30.33 |
1.53 |
| 21 |
Juang, Samantha (17)
|
MRFLY |
30.00 |
30.46 |
0.46 |
|
Hutchinson, Margaret P (27)
|
MRNYAC |
24.36 |
NS |
- |
|
Santaromana, Bianca (14)
|
MRHYB |
28.17 |
NS |
- |