| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bognon, Benjamin N (12)
|
CTZEUS |
34.97 |
35.20 |
0.23 |
| 2 |
Malik, Vivek (12)
|
MRBGNW |
38.97 |
37.68 |
-1.29 |
| 3 |
Stoica, Michael (12)
|
MRYMID |
39.15 |
38.07 |
-1.08 |
| 4 |
Weng, Yu-Tse (12)
|
MRLIAC |
44.27 |
41.73 |
-2.54 |
| 5 |
Schorr, Rafael A (12)
|
MRJCCT |
44.10 |
44.46 |
0.36 |
| 6 |
Kurachenkov, Nicolas (12)
|
MRLIAC |
45.86 |
45.75 |
-0.11 |
| 7 |
Reali, Massimo (12)
|
MRYMID |
45.99 |
47.01 |
1.02 |
| 8 |
McCaffrey, Matthew B (12)
|
MRLIAC |
1:00.00 |
49.49 |
-10.51 |
| 9 |
Johnson, Quinn W (11)
|
MRYFD |
47.31 |
49.94 |
2.63 |
| 10 |
Weiss, Elliott M (11)
|
MRYFD |
50.19 |
51.15 |
0.96 |
| 11 |
Reali, Luca A (12)
|
MRYMID |
|
51.75 |
- |
| 12 |
Worraker, Zacherias F (12)
|
CTZEUS |
1:07.99 |
51.87 |
-16.12 |
| 13 |
Blair, Charlie B (11)
|
MRBGNW |
55.75 |
56.77 |
1.02 |
| 14 |
Wildstrom, Nevin S (11)
|
MRSMC |
1:20.83 |
1:02.26 |
-18.57 |
| 15 |
Manger, Theodore R (11)
|
MRYMID |
|
1:06.49 |
- |
|
Ma, Martin (11)
|
MRLIAC |
55.00 |
DQ |
- |