| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Miao, Owen (10)
|
MRLGAC |
1:17.45 |
1:17.96 |
0.51 |
| 2 |
Ratling, Kunga Y (9)
|
MRLGAC |
|
1:20.09 |
- |
| 3 |
Lin, Rong Geng (9)
|
MRFLY |
1:21.55 |
1:21.87 |
0.32 |
| 4 |
Corcuera, Christian L (9)
|
MRLGAC |
|
1:22.98 |
- |
| 5 |
Trombetta, Luke S (10)
|
MRRA |
1:59.81 |
1:29.19 |
-30.62 |
| 6 |
Ding, Charlie W (9)
|
MRFLY |
1:30.86 |
1:29.27 |
-1.59 |
| 7 |
Xu, James D (10)
|
MRQNS |
1:30.79 |
1:30.36 |
-0.43 |
| 8 |
Leroy, Max (10)
|
MRHYB |
1:29.44 |
1:30.48 |
1.04 |
| 9 |
Jiang, Junyi (9)
|
MRFLY |
1:32.07 |
1:31.50 |
-0.57 |
| 10 |
Boldyrev, Peter J (10)
|
MRRA |
1:36.79 |
1:34.29 |
-2.50 |
| 11 |
Payne, William M (10)
|
MRRA |
1:40.83 |
1:42.25 |
1.42 |
| 12 |
Quezada, Louis A (10)
|
MRRA |
1:40.00 |
2:00.64 |
20.64 |
|
Zakarian, Johnathan T (10)
|
MRGATE |
1:51.72 |
DQ |
- |
|
Mitchell, Ethan L (9)
|
MRHYB |
|
DQ |
- |
|
Bice, Cavan T (9)
|
MRQNS |
|
NS |
- |
|
Borukhov, Elan (9)
|
MRQNS |
1:38.15 |
NS |
- |