| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McCree-Salazar, Caden C (10)
|
MRHVD |
35.32 |
34.44 |
-0.88 |
| 2 |
Goodwin, Owen M (8)
|
MRRFAC |
41.55 |
39.24 |
-2.31 |
| 3 |
Ruiz, Japhet N (8)
|
MRMHH |
40.96 |
39.30 |
-1.66 |
| 4 |
Berko, Reuben L (9)
|
MRNDAC |
40.93 |
39.97 |
-0.96 |
| 5 |
Espinoza-Soriano, Jorge (9)
|
MRMHH |
39.22 |
40.52 |
1.30 |
| 6 |
Poellot, Reed C (10)
|
MRHVD |
39.70 |
42.00 |
2.30 |
| 7 |
Olarte, Alejandro J (10)
|
MRHVD |
45.27 |
45.21 |
-0.06 |
| 8 |
Howard, Sam W (9)
|
MRRFAC |
46.64 |
45.25 |
-1.39 |
| 9 |
Vega, Isidro R (9)
|
MRRFAC |
50.61 |
52.68 |
2.07 |
| 10 |
Touijar, Ali (9)
|
MRMHH |
53.72 |
52.72 |
-1.00 |
| 11 |
Aragon Espinoza, Edahi (7)
|
MRMHH |
54.65 |
52.86 |
-1.79 |
| 12 |
Fearon, Jamiel B (6)
|
MRMHH |
1:05.49 |
54.93 |
-10.56 |
| 13 |
Olarte, Andres G (7)
|
MRHVD |
|
59.59 |
- |
| 14 |
North, Benjamin D (8)
|
MRHVD |
|
59.92 |
- |
| 15 |
Chiappetta, Paolo A (9)
|
MRRFAC |
1:06.61 |
1:02.98 |
-3.63 |
| 16 |
Martinez, Jeffrey J (10)
|
MRMHH |
1:05.12 |
1:03.18 |
-1.94 |
| 17 |
He, Timothy J (6)
|
MRRFAC |
58.43 |
1:08.67 |
10.24 |
| 18 |
Weeks, Edward N (7)
|
MRMHH |
53.40 |
1:12.13 |
18.73 |
| 19 |
Martinez, Angel G (7)
|
MRMHH |
1:20.10 |
1:24.22 |
4.12 |