| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mulder, Robert J (8)
|
MRPAC |
49.06 |
46.60 |
-2.46 |
| 2 |
Lahre, Nicolas M (8)
|
MRBGNW |
53.35 |
49.21 |
-4.14 |
| 3 |
Wassenaar, Sebastian B (8)
|
MRYFD |
50.13 |
50.79 |
0.66 |
| 4 |
Xue, George (8)
|
MRBGNW |
1:05.90 |
58.31 |
-7.59 |
| 5 |
Rubino, Frank H (8)
|
MRYMID |
1:05.09 |
1:00.39 |
-4.70 |
| 6 |
Mirza, Qasim O (8)
|
MRRA |
1:08.03 |
1:01.58 |
-6.45 |
| 7 |
Witlin, Jacob A (8)
|
MRCOND |
1:23.27 |
1:09.94 |
-13.33 |
| 8 |
Belostotsky, Ariel (8)
|
MRYMID |
|
1:12.99 |
- |
|
Chusuei, Noah Y (8)
|
MREAST |
59.91 |
DQ |
- |
|
Rybak, Michael M (8)
|
CTZEUS |
|
DQ |
- |
|
Gormley, Maxwell J (8)
|
CTZEUS |
|
DQ |
- |
|
Sumbatashvili, Sandro (8)
|
MRPAC |
1:15.33 |
DQ |
- |
|
Shirman, Leor (8)
|
MRPAC |
1:15.33 |
DQ |
- |
|
Williams, Theo (8)
|
MREAST |
|
DQ |
- |
|
Lau, Owen H (8)
|
MREAST |
|
DQ |
- |
|
Davis, Reed S (8)
|
MRYFD |
|
DQ |
- |
|
Mabee, James H (8)
|
MRCOND |
|
DQ |
- |
|
Henderson, Noel D (8)
|
MRCOND |
|
DQ |
- |
|
Maguire, Ryan J (8)
|
MRBGNW |
|
DQ |
- |
|
Kovacevic, Theodore S (8)
|
MRYFD |
|
DQ |
- |
|
Ingles, Alexander J (8)
|
MRYFD |
|
DQ |
- |
|
DE Santis, Mattia M (8)
|
MRYFD |
|
DQ |
- |