| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wang, Harry H (14)
|
MRAPEX |
1:07.78 |
1:07.39 |
-0.39 |
| 2 |
Radkov, Nick S (14)
|
MRMPNY |
1:08.18 |
1:07.77 |
-0.41 |
| 3 |
FitzPatrick, Harris V (14)
|
CTPSDY |
1:16.35 |
1:11.11 |
-5.24 |
| 4 |
Kvasnitskiy, Nikita (14)
|
MRMPNY |
1:11.33 |
1:14.48 |
3.15 |
| 5 |
DiMaggio, Giuseppe R (14)
|
MRMPNY |
1:12.39 |
1:15.69 |
3.30 |
| 6 |
WU, William (14)
|
MRUN-L |
1:13.79 |
1:15.91 |
2.12 |
| 7 |
Naing, Kyaw M (14)
|
MRMPNY |
1:16.30 |
1:16.72 |
0.42 |
| 8 |
Robinson, Dillon E (14)
|
MRBAD |
1:15.93 |
1:16.90 |
0.97 |
| 9 |
Kuznetsov, Gregory F (13)
|
MRMPNY |
1:19.82 |
1:23.08 |
3.26 |
| 10 |
Valadez, Romulo G (13)
|
MRAPEX |
|
1:24.53 |
- |
| 11 |
Camaev, Alexander V (14)
|
MRMPNY |
1:20.50 |
1:25.53 |
5.03 |
| 12 |
Yika-Nacarino, Khrystos D (13)
|
CTPSDY |
1:53.09 |
1:28.41 |
-24.68 |
|
Sherpa, Carson P (14)
|
MRLGAC |
1:15.62 |
NS |
- |