| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Makepeace, Archer W (12)
|
PVTOLL |
27.96 |
28.20 |
0.24 |
| 2 |
Ding, Eddie S (12)
|
PVASA |
28.80 |
29.12 |
0.32 |
| 3 |
McKenna, Pierce J (11)
|
PVASA |
30.85 |
29.73 |
-1.12 |
| 4 |
Schoch, Samuel M (11)
|
PVTOLL |
32.97 |
32.82 |
-0.15 |
| 5 |
Trackman, Benjamin E (11)
|
PVTOLL |
38.63 |
33.24 |
-5.39 |
| 6 |
Degraffinreaidt, Darian D (11)
|
PVDCPR |
33.14 |
34.09 |
0.95 |
| 7 |
Wolmetz, Iago B (11)
|
PVTIBU |
34.55 |
34.31 |
-0.24 |
| 8 |
Peppelman, Matthew J (11)
|
PVTOLL |
36.94 |
36.06 |
-0.88 |
| 9 |
Gibson, Tyler A (11)
|
PVUN-R |
34.94 |
36.55 |
1.61 |
| 10 |
Martin, Joshua B (12)
|
PVUN-R |
32.62 |
37.25 |
4.63 |
| 11 |
Mugera, Gerald M (11)
|
PVJFD |
46.22 |
38.66 |
-7.56 |
| 12 |
Rook, Brady S (11)
|
PVJFD |
42.49 |
39.03 |
-3.46 |
| 13 |
Aldworth, Diego B (11)
|
PVTIBU |
40.52 |
39.70 |
-0.82 |
| 14 |
Smith, Patrick R (11)
|
PVPAC |
44.02 |
42.28 |
-1.74 |
| 15 |
Hutchcroft, Paul J (11)
|
PVPAC |
46.30 |
46.92 |
0.62 |