| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cen, Eric (16)
|
MRHS |
57.52 |
58.14 |
0.62 |
| 2 |
Suzuki, Mako (17)
|
MRYMID |
1:02.18 |
1:05.05 |
2.87 |
| 3 |
Aiello, Rayna (10)
|
CTSJCC |
|
1:23.46 |
- |
| 4 |
Wang, Franklin (13)
|
MRHS |
1:22.65 |
1:23.62 |
0.97 |
| 5 |
Mokhtar, Zain M (13)
|
MRHS |
1:25.47 |
1:23.81 |
-1.66 |
| 6 |
Maidana-Pereira, Eva M (12)
|
MRHS |
1:22.42 |
1:26.83 |
4.41 |
| 7 |
Garcia, Jaxine Simone Y (11)
|
MRLIAC |
1:50.99 |
1:28.46 |
-22.53 |
| 8 |
Liao, Haley (12)
|
MRHS |
1:33.00 |
1:35.92 |
2.92 |
| 9 |
Brezdin, Mila (9)
|
MRLIAC |
1:49.99 |
1:37.59 |
-12.40 |
| 9 |
Giraldo, Theresa M (12)
|
MRLIAC |
1:55.00 |
1:37.59 |
-17.41 |
| 11 |
Kong, Maya A (10)
|
MRHS |
1:44.91 |
1:41.76 |
-3.15 |