| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Murphy, Carter E (12)
|
PVNCAP |
34.01 |
32.56 |
-1.45 |
| 2 |
Gross, David A (11)
|
PVMACH |
35.32 |
33.50 |
-1.82 |
| 3 |
Voigt, Mason A (12)
|
PVNCAP |
36.20 |
33.83 |
-2.37 |
| 4 |
Roberts Nijim, Omar S (12)
|
PVMACH |
34.52 |
34.36 |
-0.16 |
| 5 |
Dean, Wyatt H (12)
|
PVNCAP |
40.60 |
35.45 |
-5.15 |
| 6 |
Deames, Lincoln D (12)
|
PVMACH |
36.34 |
35.48 |
-0.86 |
| 7 |
Neykov, Martin B (12)
|
PVMACH |
37.70 |
36.86 |
-0.84 |
| 8 |
Ludwig, Jon Thomas W (12)
|
PVNCAP |
48.71 |
37.79 |
-10.92 |
| 9 |
He, Evan (11)
|
PVNCAP |
44.18 |
39.58 |
-4.60 |
| 10 |
Korotovskikh, Keir (11)
|
PVNCAP |
42.97 |
42.06 |
-0.91 |
| 11 |
Schwartz, Jackson T (11)
|
PVMACH |
45.43 |
44.19 |
-1.24 |
| 12 |
Bajoghli, Darius J (12)
|
PVMACH |
46.14 |
45.87 |
-0.27 |
| 13 |
Borley, John E (11)
|
PVNCAP |
1:11.24 |
46.98 |
-24.26 |
| 14 |
Al Saadi, Joseph S (11)
|
PVNCAP |
52.11 |
50.31 |
-1.80 |
|
Reeves, Elijah W (12)
|
PVMACH |
51.89 |
DQ |
- |