| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Radkov, Nick S (14)
|
MRMPNY |
1:07.01 |
1:06.35 |
-0.66 |
| 2 |
Speres, Nicholas C (13)
|
MRBAD |
1:09.80 |
1:10.63 |
0.83 |
| 3 |
Wang, Harry H (14)
|
MRAPEX |
1:15.59 |
1:16.35 |
0.76 |
| 4 |
Naing, Kyaw M (14)
|
MRMPNY |
1:19.61 |
1:19.21 |
-0.40 |
| 5 |
Camaev, Alexander V (14)
|
MRMPNY |
1:20.36 |
1:20.37 |
0.01 |
| 6 |
Robinson, Dillon E (14)
|
MRBAD |
1:17.15 |
1:21.91 |
4.76 |
| 7 |
Gonzalez, Kevin (14)
|
MRAPEX |
1:23.38 |
1:24.11 |
0.73 |
| 8 |
FitzPatrick, Harris V (14)
|
CTPSDY |
1:31.19 |
1:24.60 |
-6.59 |
| 9 |
Mandelbaum, Kai (13)
|
MRST |
1:24.82 |
1:26.90 |
2.08 |
| 10 |
Valadez, Romulo G (13)
|
MRAPEX |
|
1:27.67 |
- |
| 11 |
Quispe, Bryant (13)
|
CTPSDY |
1:42.64 |
1:30.37 |
-12.27 |
| 12 |
O'Sullivan, Thomas K (13)
|
MRBAD |
1:45.88 |
1:31.16 |
-14.72 |
| 13 |
Vileshin, Daniel (13)
|
MRMPNY |
1:24.90 |
1:33.78 |
8.88 |
| 14 |
Lu, Brendan (13)
|
MRST |
1:38.05 |
1:35.47 |
-2.58 |
| 15 |
Jatuprayoon, Chakris (14)
|
MRST |
|
1:46.67 |
- |
| 16 |
Alvares, Isaias R (13)
|
MRAPEX |
2:01.93 |
2:05.15 |
3.22 |
|
Dong, Andrew (13)
|
MRST |
|
DQ |
- |