| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Flouras, Anastasia (9)
|
MRQNS |
40.28 |
42.04 |
1.76 |
| 2 |
Micena, Kallie (10)
|
MRTVSC |
42.68 |
46.69 |
4.01 |
| 3 |
Veit, Cayden R (10)
|
MRTVSC |
46.43 |
48.08 |
1.65 |
| 4 |
Ketterhagen, Olivia G (10)
|
MRLIAC |
1:00.68 |
53.84 |
-6.84 |
| 5 |
Ngai, Sophie Y (10)
|
MRLIAC |
1:03.84 |
55.14 |
-8.70 |
| 6 |
Cagno, Lucia P (10)
|
MRQNS |
52.05 |
55.52 |
3.47 |
| 7 |
Wang, Emma A (9)
|
MRLIAC |
1:10.00 |
58.79 |
-11.21 |
| 8 |
Menrinetsang, Rinchen K (10)
|
MRLIAC |
1:04.96 |
1:00.70 |
-4.26 |
| 9 |
Chu, Allison L (10)
|
MRLIAC |
1:10.00 |
1:01.49 |
-8.51 |
| 10 |
Scaglione, Angelina A (10)
|
MRLIAC |
1:20.00 |
1:03.12 |
-16.88 |
| 11 |
Reda, Isabella M (9)
|
MRLIAC |
1:09.64 |
1:03.45 |
-6.19 |
| 12 |
Ehrlich, Jenna C (9)
|
MRLIAC |
1:07.95 |
1:08.41 |
0.46 |
| 13 |
Chen, Megan T (10)
|
MRLIAC |
1:16.97 |
1:22.45 |
5.48 |
|
Chan, Adriana (10)
|
MRLIAC |
55.51 |
DQ |
- |
|
Shapiro, Emily P (10)
|
MRLIAC |
1:10.00 |
NS |
- |