| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kregel, Marina (9)
|
MRNDAC |
43.52 |
42.65 |
-0.87 |
| 2 |
Huang, Eleanor Z (9)
|
MRRFAC |
45.43 |
44.31 |
-1.12 |
| 3 |
Ruiz, Beverly C (10)
|
MRMHH |
45.90 |
44.38 |
-1.52 |
| 4 |
Delatorre, Ashley (10)
|
MRMHH |
44.37 |
44.67 |
0.30 |
| 5 |
Pickett, Julianna M (10)
|
MRHVD |
43.84 |
44.68 |
0.84 |
| 6 |
Hernandez, Lety S (10)
|
MRMHH |
47.94 |
48.32 |
0.38 |
| 7 |
Vytykac, Ella S (10)
|
MRHVD |
52.90 |
51.16 |
-1.74 |
| 8 |
Hamilton, Tori H (10)
|
MRNDAC |
54.33 |
51.43 |
-2.90 |
| 9 |
Cruz Santos, Yaeli (10)
|
MRMHH |
49.17 |
52.27 |
3.10 |
| 10 |
Aguilar Perez, Vanessa (10)
|
MRMHH |
47.27 |
53.04 |
5.77 |
| 11 |
He, Hannah G (8)
|
MRRFAC |
51.05 |
55.01 |
3.96 |
| 12 |
Glancey, Madeline A (9)
|
MRRFAC |
52.87 |
55.18 |
2.31 |
| 13 |
Jude, Catherine I (10)
|
MRNDAC |
54.11 |
57.10 |
2.99 |
| 14 |
Gorti, Aadya S (10)
|
MRMHH |
1:01.49 |
57.66 |
-3.83 |
| 15 |
Hernandez, Laila A (8)
|
MRMHH |
55.28 |
57.67 |
2.39 |
| 16 |
Romero, Miranda A (8)
|
MRMHH |
57.83 |
58.68 |
0.85 |
| 17 |
Hynes, Roisin I (9)
|
MRHVD |
1:00.55 |
59.35 |
-1.20 |
| 18 |
Hally, Madelyn E (8)
|
MRNDAC |
1:02.02 |
1:00.88 |
-1.14 |
| 19 |
Chiappetta, Isabella L (9)
|
MRRFAC |
1:01.32 |
1:03.67 |
2.35 |
| 20 |
Guzman, Sofia (8)
|
MRMHH |
1:10.56 |
1:05.14 |
-5.42 |
| 21 |
Contreras, Alaina L (9)
|
MRHVD |
|
1:07.97 |
- |
| 22 |
Figueroa, Ximena (5)
|
MRMHH |
1:18.15 |
1:09.33 |
-8.82 |
| 23 |
Cabrera-Zavala, Allison (7)
|
MRMHH |
1:10.62 |
1:09.58 |
-1.04 |
| 24 |
Perez Jimenez, Luz M (7)
|
MRMHH |
1:20.25 |
1:17.98 |
-2.27 |
|
Martinez, Angeles C (7)
|
MRMHH |
1:30.12 |
DQ |
- |
|
Abbruzzese, Shylah D (8)
|
MRRFAC |
53.74 |
DQ |
- |
|
Contreras, Alana 2 (9)
|
MRHVD |
|
DQ |
- |