| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hannon, Morgan A (12)
|
MRHVD |
33.52 |
34.51 |
0.99 |
| 1 |
Sarpong, Afia (12)
|
MRHVD |
32.60 |
34.51 |
1.91 |
| 3 |
Jimenez, Hermione E (12)
|
MRRFAC |
35.78 |
35.88 |
0.10 |
| 4 |
Seldin, Emily (12)
|
MRNDAC |
37.26 |
37.50 |
0.24 |
| 5 |
Dabo, Mariama F (12)
|
MRHVD |
34.12 |
37.67 |
3.55 |
| 6 |
Baks, Janneke P (12)
|
MRHVD |
38.30 |
38.33 |
0.03 |
| 7 |
Cabrera Zavala, Alexa M (12)
|
MRMHH |
38.58 |
39.30 |
0.72 |
| 8 |
Wilson, Emma (11)
|
MRNDAC |
43.03 |
41.89 |
-1.14 |
| 9 |
Lugo, Gianna M (12)
|
MRHVD |
41.52 |
43.36 |
1.84 |
| 10 |
Blabac, Claire E (12)
|
MRHVD |
44.11 |
43.62 |
-0.49 |
| 10 |
Chin-Tanner, Madeleine P (12)
|
MRNDAC |
44.29 |
43.62 |
-0.67 |
| 12 |
Espinoza-Soriano, Lidia A (11)
|
MRMHH |
43.74 |
44.19 |
0.45 |
| 13 |
Cepeda, Ciara C (11)
|
MRRFAC |
47.12 |
44.79 |
-2.33 |
| 14 |
Vytykac, Yanna S (12)
|
MRHVD |
48.41 |
45.63 |
-2.78 |
| 15 |
Gorti, Ramya C (12)
|
MRMHH |
48.50 |
47.98 |
-0.52 |
| 16 |
Martinez, Lluvia M (12)
|
MRMHH |
55.15 |
50.21 |
-4.94 |
| 17 |
Olivarez, Paulina (11)
|
MRMHH |
55.25 |
50.89 |
-4.36 |
| 18 |
Touijar, Heba (11)
|
MRMHH |
51.49 |
55.62 |
4.13 |
| 20 |
Hadine, Israa (11)
|
MRMHH |
49.55 |
59.08 |
9.53 |
|
Lovett, Sophia E (11)
|
MRHVD |
|
DQ |
- |
|
Perez Jimenez, Amely J (11)
|
MRMHH |
44.33 |
NS |
- |
|
Figueroa, Alexandra Y (12)
|
MRMHH |
1:23.30 |
NS |
- |