| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Leyva Riestra, Rainier (8)
|
FGBMHG |
34.58 |
34.50 |
-0.08 |
| 2 |
Estrada, Ian (8)
|
FGNMST |
36.66 |
35.88 |
-0.78 |
| 3 |
Casal, Morgan (8)
|
FGBMHG |
35.73 |
36.32 |
0.59 |
| 4 |
Nery-Martins, Luca (8)
|
FGOSC |
38.37 |
36.58 |
-1.79 |
| 5 |
Perez, Lester M (8)
|
FGMACM |
46.71 |
36.99 |
-9.72 |
| 6 |
Carmona, Juan Sebastian (8)
|
FGBMHG |
41.39 |
39.56 |
-1.83 |
| 7 |
Polo, Gianluca (8)
|
FGBMHG |
42.55 |
41.91 |
-0.64 |
| 8 |
Alvarez, Nicolas V (8)
|
FGNMST |
48.02 |
42.01 |
-6.01 |
| 9 |
Cancio Jorge, Rafael N (7)
|
FGMACM |
44.80 |
42.41 |
-2.39 |
| 10 |
Gomez, Xavier A (8)
|
FGMACM |
46.99 |
42.89 |
-4.10 |
| 11 |
Velazquez, Juan P (8)
|
FGMACM |
|
43.80 |
- |
| 12 |
Garcia, Kevin A (8)
|
FGMACM |
|
44.71 |
- |
| 13 |
Valdes, Sebastian (8)
|
FGBMHG |
42.60 |
45.55 |
2.95 |
| 14 |
Machado, Miguel M (8)
|
FGEA |
|
45.73 |
- |
| 15 |
Alvarez, Roy A (8)
|
FGMACM |
53.43 |
45.96 |
-7.47 |
| 16 |
Fischer, Benedek N (8)
|
FGEA |
|
48.22 |
- |
| 17 |
Luzardo, Gabriel (8)
|
FGBMHG |
47.17 |
49.11 |
1.94 |
| 18 |
Saper, Andrei K (7)
|
FGEA |
52.82 |
49.30 |
-3.52 |
| 19 |
David, Geronimo (7)
|
FGEA |
53.36 |
51.00 |
-2.36 |
| 20 |
Valera, Martin (6)
|
FGMACM |
|
58.16 |
- |
| 21 |
Jeanbaptiste, Chase R (7)
|
FGOSC |
|
1:01.06 |
- |
|
Kharfan, Taysir M (8)
|
FGMACM |
|
NS |
- |
|
Del Ponte, Gianluca (8)
|
FGOSC |
44.43 |
NS |
- |