| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ng, Eyton E (11)
|
MRFREE |
1:17.68 |
1:13.61 |
-4.07 |
| 1 |
Diaz, Adam C (12)
|
MRRED |
1:22.31 |
1:20.22 |
-2.09 |
| 2 |
Haynes, Mark C (12)
|
MRCIY |
1:20.65 |
1:15.64 |
-5.01 |
| 2 |
Shibata, Naoki (11)
|
MRMAKO |
1:26.74 |
1:21.16 |
-5.58 |
| 3 |
O'Sullivan, Kealan J (12)
|
MRCIY |
1:25.25 |
1:22.64 |
-2.61 |
| 4 |
Milgram, Mark A (11)
|
MRFREE |
1:31.64 |
1:24.09 |
-7.55 |
| 5 |
Brillante, Francesco A (11)
|
MRHS |
1:24.11 |
1:24.27 |
0.16 |
| 6 |
Hovet, Christopher F (11)
|
MRYFD |
1:26.49 |
1:27.99 |
1.50 |
| 7 |
Wang, Justin (12)
|
MRGATE |
1:28.57 |
1:32.59 |
4.02 |
| 8 |
Gruver, Bogdan A (12)
|
MRHS |
1:32.99 |
1:36.76 |
3.77 |
| 9 |
Fuentes, Jean Carlos (12)
|
MRGATE |
1:45.77 |
1:39.92 |
-5.85 |
| 10 |
Kapp, John A (11)
|
MRFREE |
1:37.36 |
1:46.95 |
9.59 |
| 11 |
Richards, Aaron J (11)
|
MRNFS |
2:12.63 |
1:59.89 |
-12.74 |
|
Killian, Joachim T (12)
|
MRGATE |
1:45.62 |
DQ |
- |