| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Felt, Dylan M (12)
|
FGSFTL |
1:12.66 |
1:13.12 |
0.46 |
| 2 |
Justin, Joshua J (12)
|
FGPST |
1:30.45 |
1:17.70 |
-12.75 |
| 3 |
Viruet, Adrian L (12)
|
FGSWAT |
|
1:20.94 |
- |
| 4 |
Brunetti, Giuliano P (11)
|
FGPOMP |
|
1:21.18 |
- |
| 5 |
Burunov, Vadim (12)
|
FGHAFL |
1:25.68 |
1:22.31 |
-3.37 |
| 6 |
Brezenski, Joshua F (12)
|
FGPST |
1:23.70 |
1:22.37 |
-1.33 |
| 7 |
Connor, Liam J (12)
|
FGPST |
1:33.21 |
1:30.96 |
-2.25 |
| 8 |
Hatem, Nicolas V (12)
|
FGSWAT |
|
1:32.33 |
- |
| 9 |
Baltodano, Michael A (11)
|
FGMBS |
|
1:36.98 |
- |
| 10 |
Bicas, Miguel (11)
|
FGUN |
1:47.84 |
1:37.99 |
-9.85 |
|
Bennett, Jonah T (12)
|
FGPCS |
|
DQ |
- |
|
Sinanan, Shane A (12)
|
FGPST |
|
DQ |
- |
|
Lamelas, Anthony (12)
|
FGGRSC |
|
NS |
- |