| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Zhu, Angela (11)
|
MRNCAC |
31.00 |
32.02 |
1.02 |
| 2 |
Suteja, Kezia S (11)
|
MRNCAC |
33.00 |
32.40 |
-0.60 |
| 3 |
Flynn, Grace C (12)
|
MRUNPA |
|
32.64 |
- |
| 4 |
Suzana, Arlene (12)
|
MRRED |
33.19 |
33.25 |
0.06 |
| 5 |
Gutierrez, Stephanie (12)
|
MRRED |
34.40 |
35.79 |
1.39 |
| 6 |
Javier, Chrisabella K (11)
|
MRAPEX |
39.06 |
36.79 |
-2.27 |
| 7 |
Chavez, Kaetlyn K (10)
|
MRAPEX |
36.78 |
37.13 |
0.35 |
| 8 |
Orris- Maitland, Alicia T (11)
|
MRRED |
38.00 |
38.09 |
0.09 |
| 9 |
Martinez, Xitlali E (12)
|
MRRED |
39.42 |
38.36 |
-1.06 |
| 10 |
LePique, Maya F (11)
|
MRRED |
45.77 |
41.02 |
-4.75 |
| 11 |
Portoviejo, Neyda X (12)
|
MRRED |
43.04 |
42.83 |
-0.21 |
| 12 |
Bacon, Marina S (9)
|
MRRED |
43.41 |
44.32 |
0.91 |
| 13 |
Ge, Xinrui (10)
|
MRAPEX |
43.50 |
44.40 |
0.90 |
| 14 |
Hall, Lavinia (8)
|
MRAPEX |
47.43 |
44.72 |
-2.71 |
| 15 |
Pfortmiller, Alana (12)
|
MRRED |
46.50 |
47.12 |
0.62 |
| 16 |
Mulakandov, Raquel (10)
|
MRUN |
50.00 |
47.82 |
-2.18 |
| 17 |
Perez, Nicole (9)
|
MRRED |
49.22 |
48.60 |
-0.62 |
| 18 |
Leonard, Kaicey L (12)
|
MRAPEX |
52.69 |
52.63 |
-0.06 |
| 19 |
Mulakandov, Leiel (10)
|
MRUN |
55.00 |
53.80 |
-1.20 |
| 20 |
Ewald, Sydney (8)
|
MRNCAC |
58.00 |
57.28 |
-0.72 |
| 21 |
Kwan, Maggie (7)
|
MRNCAC |
59.00 |
1:17.72 |
18.72 |