| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Peng, Nicholas E (10)
|
ORBLAC |
1:16.75 |
1:14.43 |
-2.32 |
| 2 |
Chern, Tommy B (10)
|
PNSMAC |
1:18.19 |
1:16.45 |
-1.74 |
| 3 |
Jaramillo, Juan Pablo (10)
|
ORHEAT |
1:16.99 |
1:16.94 |
-0.05 |
| 4 |
Ambarak, AbdelSalam A (10)
|
ORHEAT |
1:25.86 |
1:28.76 |
2.90 |
| 5 |
Ho, Lucas E (9)
|
PNOCA |
1:35.45 |
1:32.12 |
-3.33 |
| 6 |
Harvieux, Girard A (9)
|
ORPAC |
1:35.38 |
1:34.28 |
-1.10 |
| 7 |
LI, Jeremy S (8)
|
ORGOLD |
1:38.45 |
1:38.85 |
0.40 |
|
Roy, Dharya N (9)
|
ORBLAC |
1:35.57 |
NS |
- |
|
Yuan, Kevin M (10)
|
PCDACA |
1:26.71 |
NS |
- |
|
Loveless, Jettarin A (10)
|
ORHEAT |
1:37.87 |
NS |
- |