| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hardart, Max (13)
|
MRBAD |
1:03.92 |
1:02.96 |
-0.96 |
| 2 |
Kvasnitskiy, Nikita (14)
|
MRMPNY |
1:06.09 |
1:04.11 |
-1.98 |
| 3 |
WU, William (14)
|
MRUN-L |
1:04.52 |
1:06.96 |
2.44 |
| 4 |
Naing, Kyaw M (14)
|
MRMPNY |
1:08.17 |
1:07.15 |
-1.02 |
| 5 |
Camaev, Alexander V (14)
|
MRMPNY |
1:06.86 |
1:07.33 |
0.47 |
| 6 |
Robinson, Dillon E (14)
|
MRBAD |
1:06.58 |
1:08.24 |
1.66 |
| 7 |
DiMaggio, Giuseppe R (14)
|
MRMPNY |
1:07.01 |
1:09.79 |
2.78 |
| 8 |
FitzPatrick, Harris V (14)
|
CTPSDY |
1:12.42 |
1:10.65 |
-1.77 |
| 9 |
Lu, Brendan (13)
|
MRST |
|
1:10.67 |
- |
| 10 |
Kuznetsov, Gregory F (13)
|
MRMPNY |
1:18.99 |
1:10.89 |
-8.10 |
| 11 |
Valadez, Romulo G (13)
|
MRAPEX |
|
1:11.11 |
- |
| 12 |
Vileshin, Daniel (13)
|
MRMPNY |
1:12.33 |
1:12.53 |
0.20 |
| 13 |
Yika-Nacarino, Khrystos D (13)
|
CTPSDY |
1:17.50 |
1:14.62 |
-2.88 |
| 14 |
Quispe, Bryant (13)
|
CTPSDY |
1:27.72 |
1:16.99 |
-10.73 |
| 15 |
Pena, Becquer D (13)
|
MRAPEX |
1:15.00 |
1:17.40 |
2.40 |
| 16 |
Mandelbaum, Kai (13)
|
MRST |
|
1:18.23 |
- |
| 17 |
O'Sullivan, Thomas K (13)
|
MRBAD |
1:21.98 |
1:20.20 |
-1.78 |
| 18 |
Jatuprayoon, Chakris (14)
|
MRST |
|
1:30.23 |
- |
| 19 |
Alvares, Isaias R (13)
|
MRAPEX |
1:36.57 |
1:30.42 |
-6.15 |
| 20 |
Dong, Andrew (13)
|
MRST |
|
1:54.82 |
- |
|
Sherpa, Carson P (14)
|
MRLGAC |
1:06.39 |
NS |
- |
|
Speres, Nicholas C (13)
|
MRBAD |
1:00.64 |
NS |
- |
|
Wang, Harry H (14)
|
MRAPEX |
1:10.68 |
NS |
- |