| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Jimenez, Hallester (15)
|
MRAPEX |
55.48 |
54.41 |
-1.07 |
| 2 |
Jimenez, Jaime R (19)
|
MRUN |
|
54.97 |
- |
| 3 |
Pena, Cesar d (15)
|
MRRED |
56.01 |
55.73 |
-0.28 |
| 4 |
Oliveira, Fernando (16)
|
MRUN |
59.80 |
1:00.04 |
0.24 |
| 5 |
Guzman, Michael A (15)
|
MRRED |
1:00.96 |
1:00.05 |
-0.91 |
| 6 |
Saffiddine, Mohamed (15)
|
MRNYCP |
1:10.03 |
1:03.89 |
-6.14 |
| 7 |
Montesa, Dawson T (14)
|
MRNYCP |
1:15.25 |
1:04.52 |
-10.73 |
| 8 |
Juncaj, Bernard A (15)
|
MRAPEX |
1:04.94 |
1:04.61 |
-0.33 |
| 9 |
Pena, Becquer D (15)
|
MRAPEX |
1:07.32 |
1:04.71 |
-2.61 |
| 10 |
Equiano, Jason A (13)
|
MRAPEX |
1:07.32 |
1:04.85 |
-2.47 |
| 11 |
Samko, Jack P (14)
|
MRHS |
1:03.97 |
1:05.35 |
1.38 |
| 12 |
Mezzoli, Davide (13)
|
MRUN |
1:06.81 |
1:05.90 |
-0.91 |
| 13 |
Gomes, Adam (14)
|
MRNYCP |
1:15.50 |
1:06.22 |
-9.28 |
| 14 |
Sanchez, Ronald (14)
|
MRAPEX |
1:05.56 |
1:07.08 |
1.52 |
| 15 |
Hoy, Ethan (16)
|
MRNYCP |
1:06.53 |
1:08.37 |
1.84 |
| 16 |
Mier, Antoine (17)
|
MRUN |
1:06.97 |
1:08.88 |
1.91 |
| 17 |
Lopez, Joseph G (13)
|
MRAPEX |
|
1:10.48 |
- |
| 18 |
Glazewski, Leonardo (15)
|
MRUN |
1:16.00 |
1:10.70 |
-5.30 |
| 19 |
Bubrowiecki, Sebastian (14)
|
MRHS |
1:12.24 |
1:12.24 |
0.00 |
| 20 |
Paragas, Luke (14)
|
MRUN |
1:34.67 |
1:14.17 |
-20.50 |
| 21 |
Gruver, Bogdan A (14)
|
MRHS |
1:11.75 |
1:14.89 |
3.14 |
| 22 |
Fernandez, Ryan (13)
|
MRYMID |
|
1:20.48 |
- |
| 23 |
Weisburg, Alexander L (14)
|
MRAPEX |
|
1:25.22 |
- |
|
Dupljak, Demir (13)
|
MRUN |
1:50.80 |
DQ |
- |
|
Muir, Christopher D (13)
|
MRHS |
1:19.00 |
DQ |
- |
|
Valadez, Romulo G (15)
|
MRAPEX |
1:07.00 |
DQ |
- |
|
Blancas, Edwin (14)
|
MRAPEX |
1:39.61 |
DQ |
- |