| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Seager, Austin P (12)
|
PVTIBU |
41.20 |
39.57 |
-1.63 |
| 2 |
Zuba, William R (12)
|
PVPAC |
43.86 |
43.34 |
-0.52 |
| 3 |
Makepeace, Archer W (12)
|
PVTOLL |
38.90 |
43.97 |
5.07 |
| 4 |
Bailey, Matthew D (11)
|
PVASA |
49.18 |
49.26 |
0.08 |
| 5 |
Trackman, Benjamin E (11)
|
PVTOLL |
44.33 |
50.50 |
6.17 |
| 6 |
Rook, Brady S (11)
|
PVJFD |
59.07 |
51.61 |
-7.46 |
| 7 |
House, Nathan A (11)
|
PVASA |
54.79 |
51.84 |
-2.95 |
| 8 |
Griffith, Nick E (12)
|
PVTIBU |
46.01 |
54.96 |
8.95 |
| 9 |
Peppelman, Matthew J (11)
|
PVTOLL |
49.95 |
55.19 |
5.24 |
| 10 |
Fayed, Jacob (11)
|
PVASA |
59.45 |
56.06 |
-3.39 |
| 11 |
Pereira, Johan A (11)
|
PVPAC |
55.11 |
56.27 |
1.16 |
| 12 |
Cooper, Logan (12)
|
PVPAC |
1:02.11 |
1:01.51 |
-0.60 |
| 13 |
Greeves, Thomas J (11)
|
PVTIBU |
1:00.68 |
1:08.30 |
7.62 |