| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sislen, Leonardo S (11)
|
PVNCAP |
1:11.84 |
1:12.01 |
0.17 |
| 2 |
May, Trevor J (11)
|
PVTIBU |
1:13.99 |
1:13.71 |
-0.28 |
| 3 |
Girimonte, Owen M (12)
|
PVTIBU |
1:16.59 |
1:18.79 |
2.20 |
| 4 |
Scheifele, Jack (11)
|
PVYASD |
1:20.62 |
1:22.10 |
1.48 |
| 5 |
McMahon, William N (12)
|
PVPAC |
1:28.01 |
1:23.58 |
-4.43 |
| 6 |
Hameni, Ezekiel (12)
|
PVPAC |
1:22.36 |
1:24.40 |
2.04 |
| 7 |
Ibrahim-Qayyum, Mikhaeil A (12)
|
PVTIBU |
1:37.97 |
1:38.19 |
0.22 |
| 8 |
Chenier II, Spencer G (11)
|
PVPGPR |
1:48.38 |
1:44.90 |
-3.48 |
|
Zamchiya, Chengetai D (12)
|
PVUN |
2:01.32 |
DQ |
- |
|
Forcey, Samuel F (12)
|
PVTIBU |
1:27.34 |
DQ |
- |
|
Kolla, Yug S (11)
|
PVLIFE |
1:38.40 |
NS |
- |
|
Francis, Colin P (11)
|
PVNCAP |
1:16.00 |
NS |
- |
|
Diouf, Samcidine A (11)
|
PVPGPR |
1:59.56 |
NS |
- |