| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sarpong, Afia (12)
|
MRHVD |
34.60 |
35.63 |
1.03 |
| 2 |
Horgan, Rosemary E (12)
|
MRHVD |
35.80 |
36.37 |
0.57 |
| 3 |
Henson, Emma V (11)
|
MRHVD |
38.53 |
40.51 |
1.98 |
| 4 |
Cabrera Zavala, Alexa M (12)
|
MRMHH |
44.51 |
43.64 |
-0.87 |
| 5 |
Lugo, Gianna M (12)
|
MRHVD |
46.53 |
45.63 |
-0.90 |
| 6 |
Wilson, Emma (11)
|
MRNDAC |
48.54 |
48.23 |
-0.31 |
| 7 |
Cepeda, Ciara C (11)
|
MRRFAC |
41.06 |
49.60 |
8.54 |
| 8 |
Dorsman, Camryn F (11)
|
MRHVD |
53.97 |
52.25 |
-1.72 |
| 9 |
Vytykac, Yanna S (12)
|
MRHVD |
|
53.53 |
- |
| 10 |
Gorti, Ramya C (12)
|
MRMHH |
57.90 |
59.48 |
1.58 |
| 11 |
Touijar, Heba (11)
|
MRMHH |
1:00.10 |
1:01.00 |
0.90 |
| 12 |
Martinez, Lluvia M (12)
|
MRMHH |
58.32 |
1:03.43 |
5.11 |
|
Blabac, Claire E (12)
|
MRHVD |
|
DQ |
- |
|
Lovett, Sophia E (11)
|
MRHVD |
|
DQ |
- |
|
Chin-Tanner, Madeleine P (12)
|
MRNDAC |
51.61 |
DQ |
- |
|
Perez Jimenez, Amely J (11)
|
MRMHH |
57.68 |
NS |
- |