| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mitsuhashi, Ayano (7)
|
MRYMID |
46.00 |
47.37 |
1.37 |
| 2 |
Green, Daphne B (7)
|
MRRA |
49.51 |
50.12 |
0.61 |
| 3 |
Saidmuratov, Jada E (8)
|
MRGAEL |
57.85 |
52.12 |
-5.73 |
| 4 |
McLoughlin, McKayla F (8)
|
CTGYWD |
50.08 |
52.87 |
2.79 |
| 5 |
Turnbull, Hayden R (8)
|
MRGAEL |
1:06.47 |
57.40 |
-9.07 |
| 6 |
McMahon, Natalie C (7)
|
CTGYWD |
57.57 |
58.02 |
0.45 |
| 7 |
Dipreta, Charlotte (8)
|
CTGYWD |
1:02.48 |
1:00.11 |
-2.37 |
| 8 |
Jocelyn, Leyna C (8)
|
MRSMC |
1:20.20 |
1:03.97 |
-16.23 |
| 9 |
Cruz, Adriana G (8)
|
MRRA |
1:35.00 |
1:08.98 |
-26.02 |
| 10 |
Giarnella, Viviana R (8)
|
MRRA |
1:45.00 |
1:20.58 |
-24.42 |
| 11 |
Convery, Amelia R (7)
|
MRGAEL |
1:42.93 |
1:31.07 |
-11.86 |
|
O'Keefe, Brynne M (8)
|
MRGAEL |
1:04.30 |
DQ |
- |
|
Alas, Sahani (7)
|
MRYMID |
1:17.42 |
DQ |
- |
|
Gopoian, Naia (8)
|
MRYMID |
|
DQ |
- |
|
Louis-Jeune, Avery L (7)
|
MRRA |
1:45.00 |
DQ |
- |
|
Gutierrez, Victoria L (7)
|
MRGAEL |
56.06 |
NS |
- |