| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sislen, Leonardo S (9)
|
PVNCAP |
39.58 |
38.60 |
-0.98 |
| 2 |
Davis Jr., Michael D (10)
|
PVDCPR |
41.12 |
40.26 |
-0.86 |
| 3 |
Lav, Naveh (10)
|
PVDCPR |
38.65 |
40.60 |
1.95 |
| 4 |
Sehgal, Xander (10)
|
PVDCPR |
40.69 |
41.15 |
0.46 |
| 5 |
Barbour, Alexander F (9)
|
PVNCAP |
43.03 |
41.68 |
-1.35 |
| 6 |
Om, Tyler (10)
|
PVMAC |
43.73 |
43.93 |
0.20 |
| 7 |
Catanzano, Max A (10)
|
PVDCPR |
42.43 |
45.07 |
2.64 |
| 8 |
Crawford, Lucious F (10)
|
PVDCPR |
40.91 |
45.77 |
4.86 |
| 9 |
Kaleem, Jacob D (9)
|
PVNCAP |
|
46.96 |
- |
| 10 |
Kim, Phillip H (9)
|
PVMAC |
46.50 |
48.27 |
1.77 |
| 11 |
Om, Ethan (9)
|
PVMAC |
1:07.00 |
51.64 |
-15.36 |
| 12 |
Velasquez, Sebastian G (10)
|
PVDCPR |
|
53.03 |
- |
|
Steele, Isaiah J (10)
|
PVPGPR |
|
NS |
- |