| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Frantsevskiy, Egor (13)
|
FGUN-0 |
30.85 |
29.59 |
-1.26 |
| 2 |
Hardin, Kolby J (13)
|
FGPOMP |
32.15 |
31.96 |
-0.19 |
| 3 |
Hernaiz, Santiago (13)
|
FGYSF |
|
32.22 |
- |
| 4 |
Fernandez, Sebastian (14)
|
FGYSF |
33.07 |
32.26 |
-0.81 |
| 5 |
Fediushko, Roman (13)
|
FGSFTL |
38.19 |
36.33 |
-1.86 |
| 6 |
Porras, Giancarlo G (14)
|
FGAZFL |
40.06 |
37.41 |
-2.65 |
| 7 |
Wampler, Brady A (13)
|
FGPST |
40.80 |
38.56 |
-2.24 |
| 8 |
Porras, Andre A (13)
|
FGAZFL |
42.84 |
39.14 |
-3.70 |
| 9 |
Martins, Bruno (13)
|
FGSOFL |
43.45 |
39.79 |
-3.66 |
| 10 |
Perez, Christian (14)
|
FGPST |
37.89 |
42.88 |
4.99 |
|
Castiblanco, Miguel A (13)
|
FGPST |
42.58 |
NS |
- |