| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Christman, Matthew J (8)
|
PVMACH |
16.25 |
15.68 |
-0.57 |
| 2 |
McCroskey, Christopher J (8)
|
PVSTJS |
17.68 |
16.07 |
-1.61 |
| 3 |
Busteed, Harrison T (8)
|
PVMACH |
18.30 |
16.82 |
-1.48 |
| 4 |
Lundy, Wiliam J (8)
|
PVMACH |
18.66 |
16.87 |
-1.79 |
| 5 |
Schrock, Ryan T (8)
|
PVSTJS |
|
16.92 |
- |
| 6 |
Lam, Andrew J (8)
|
PVMACH |
19.58 |
18.51 |
-1.07 |
| 7 |
Chow, Kingsley J (8)
|
PVMACH |
18.46 |
18.80 |
0.34 |
| 8 |
Roberts Nijim, Sami J (8)
|
PVMACH |
21.25 |
19.70 |
-1.55 |
| 9 |
Armanyos, Adam S (8)
|
PVMACH |
19.97 |
20.02 |
0.05 |
| 10 |
Zhao, Lucas X (8)
|
PVMACH |
19.78 |
20.45 |
0.67 |