| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Coulthard, Connie M (11)
|
MRYMID |
28.37 |
28.96 |
0.59 |
| 2 |
Cosgrove, Molly C (12)
|
MRBGNW |
29.15 |
29.08 |
-0.07 |
| 3 |
McMullan, Hannah R (12)
|
MRBGNW |
32.07 |
32.13 |
0.06 |
| 4 |
Oh, Sophia C (12)
|
MRBGNW |
31.98 |
32.84 |
0.86 |
| 5 |
Mealli, Ingrid S (12)
|
MRBGNW |
34.06 |
35.79 |
1.73 |
| 6 |
Hehman, Isabelle R (11)
|
MRBGNW |
36.82 |
36.93 |
0.11 |
| 7 |
Kartzman, Kate R (12)
|
MRBGNW |
|
37.93 |
- |
| 8 |
Valenzuela, Sofia P (11)
|
MRBGNW |
40.77 |
39.35 |
-1.42 |
| 9 |
Giarnella, Viviana R (12)
|
MRBGNW |
43.12 |
41.35 |
-1.77 |
| 10 |
Wolfe, Annabel (11)
|
MRBGNW |
|
42.60 |
- |
| 11 |
Herten, Christina (12)
|
MRYMID |
50.10 |
43.07 |
-7.03 |
| 12 |
Herrera, Vanessa G (11)
|
MRBGNW |
|
43.68 |
- |
| 13 |
Garcia, Jaxine Simone Y (11)
|
MRLIAC |
57.99 |
45.56 |
-12.43 |
| 14 |
Lovig, Chloe M (11)
|
MRBGNW |
45.25 |
46.20 |
0.95 |
| 15 |
Natale, Gemma S (11)
|
MRLIAC |
44.48 |
51.82 |
7.34 |
| 16 |
Menon, Ananya T (11)
|
MRBGNW |
|
55.68 |
- |
|
Hickerson, Aubrey S (12)
|
MRBGNW |
|
DQ |
- |
|
Boyce, Hadley C (11)
|
MRBGNW |
53.76 |
DQ |
- |