| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Colleran, Liam J (15)
|
CTZEUS |
57.27 |
56.91 |
-0.36 |
| 2 |
Velazquez, Henry A (14)
|
CTZEUS |
56.62 |
59.14 |
2.52 |
| 3 |
Roldan-Vasco, Mateo (15)
|
CTZEUS |
1:00.88 |
1:01.80 |
0.92 |
| 4 |
Chajon, Jorge M (14)
|
CTZEUS |
1:02.10 |
1:03.78 |
1.68 |
| 5 |
Fuchs, Ethan (16)
|
MRGAEL |
1:00.28 |
1:04.17 |
3.89 |
| 6 |
Lee, Tyler J (13)
|
MRNYCC |
1:03.07 |
1:04.67 |
1.60 |
| 7 |
Eforo, Alex (15)
|
MRGAEL |
1:09.32 |
1:08.18 |
-1.14 |
| 8 |
Parizot, Louis-Maximilian (14)
|
CTZEUS |
|
1:08.75 |
- |
| 9 |
Pysk, Alex (13)
|
CTZEUS |
1:08.30 |
1:09.74 |
1.44 |
| 10 |
Aguilar Jr, Humberto (13)
|
MRYMID |
1:04.86 |
1:10.03 |
5.17 |
| 11 |
Casa, Tristan A (16)
|
CTZEUS |
1:08.60 |
1:10.46 |
1.86 |
| 12 |
Uriarte, Alvin (16)
|
MRYMID |
1:11.78 |
1:12.51 |
0.73 |
| 13 |
Abraham, Anthony T (14)
|
MRGAEL |
1:19.04 |
1:13.44 |
-5.60 |
| 14 |
Pysk, Adam (16)
|
CTZEUS |
1:11.21 |
1:13.52 |
2.31 |
| 15 |
Fairweather, Sheldon (17)
|
MRYMID |
1:12.36 |
1:14.75 |
2.39 |
| 16 |
Kim, Jed S (15)
|
MRYMID |
1:21.63 |
1:21.43 |
-0.20 |
| 17 |
Razanau, Mark A (13)
|
CTGRYM |
1:34.59 |
1:26.12 |
-8.47 |
|
Arbelaez, Andres (16)
|
CTZEUS |
58.83 |
NS |
- |