| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kocoglu, Kenan S (17)
|
FGTSA |
32.36 |
33.90 |
1.54 |
| 2 |
Blanco, David A (17)
|
FGTSA |
33.17 |
35.38 |
2.21 |
| 3 |
Curtis, Joshua K (17)
|
FGJDST |
34.78 |
36.52 |
1.74 |
| 4 |
Farrell, Liam P (15)
|
FGJDST |
36.53 |
37.89 |
1.36 |
| 5 |
Shea, Dennis R (15)
|
FGJDST |
41.96 |
40.63 |
-1.33 |
| 6 |
Santiago, Christian A (17)
|
FGPOMP |
|
41.32 |
- |
| 7 |
Johns, Alexander K (15)
|
FGJDST |
44.20 |
44.32 |
0.12 |
| 8 |
Gonzalez, Stephano P (15)
|
FGJDST |
45.60 |
44.98 |
-0.62 |
| 9 |
Porter, Joshua D (15)
|
FGJDST |
|
45.15 |
- |
| 10 |
Zhou, XiaoChao (15)
|
FGFAST |
47.25 |
46.48 |
-0.77 |
|
Homes, Santiago (17)
|
FGUN |
33.20 |
NS |
- |