| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Meyerhoeffer, Stella M (11)
|
MRSPAR |
31.26 |
31.98 |
0.72 |
| 2 |
Vitale, Miya N (11)
|
MRPATS |
31.20 |
33.68 |
2.48 |
| 3 |
Iannetta, Ava L (11)
|
MRSPAR |
34.59 |
35.55 |
0.96 |
| 4 |
Zhu, Angela (11)
|
MRNCAC |
35.00 |
36.54 |
1.54 |
| 5 |
Tung, Michelle Lily (12)
|
MRNCAC |
34.00 |
38.38 |
4.38 |
| 6 |
Coullare, Lisa (12)
|
MRRIST |
|
38.92 |
- |
| 7 |
Sakmar Aberg, Charlotte (11)
|
MRRIST |
40.72 |
40.34 |
-0.38 |
| 8 |
Sakmar Aberg, Juliette (11)
|
MRRIST |
43.46 |
41.78 |
-1.68 |
| 9 |
Grozdanic, Katarina (11)
|
MRRIST |
45.16 |
42.09 |
-3.07 |
| 10 |
Abrams, Ann Maria M (11)
|
MRPATS |
44.60 |
45.83 |
1.23 |
| 11 |
Leonard, Kaicey L (12)
|
MRAPEX |
50.74 |
47.51 |
-3.23 |
|
Coutinho, Isabel (11)
|
MRRIST |
42.16 |
NS |
- |