| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Meyerhoeffer, Stella M (11)
|
MRSPAR |
1:08.88 |
1:08.21 |
-0.67 |
| 2 |
Vitale, Miya N (11)
|
MRPATS |
|
1:13.55 |
- |
| 3 |
Zhu, Angela (11)
|
MRNCAC |
1:13.00 |
1:14.41 |
1.41 |
| 4 |
Iannetta, Ava L (11)
|
MRSPAR |
1:14.23 |
1:14.86 |
0.63 |
| 5 |
Suteja, Kezia (11)
|
MRNCAC |
1:15.00 |
1:15.00 |
0.00 |
| 6 |
Lopez, Isabella S (11)
|
MRPATS |
1:29.15 |
1:26.74 |
-2.41 |
| 7 |
Grozdanic, Katarina (11)
|
MRRIST |
1:31.96 |
1:28.72 |
-3.24 |
| 8 |
Sakmar Aberg, Juliette (11)
|
MRRIST |
|
1:30.00 |
- |
| 9 |
Sakmar Aberg, Charlotte (11)
|
MRRIST |
|
1:31.35 |
- |
| 10 |
Abrams, Ann Maria M (11)
|
MRPATS |
|
1:36.07 |
- |
|
Coutinho, Isabel (11)
|
MRRIST |
1:38.36 |
NS |
- |