| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Jimenez, Connor G (7)
|
FGSOFL |
18.14 |
17.42 |
-0.72 |
| 2 |
Lieberman, Oliver J (8)
|
FGMBS |
21.04 |
17.51 |
-3.53 |
| 3 |
Vallmitjana, Juan (8)
|
FGSOFL |
17.69 |
18.28 |
0.59 |
| 4 |
Natino, Joseph-Blake (8)
|
FGSOFL |
18.92 |
18.75 |
-0.17 |
| 5 |
Anosov, Vladimir (8)
|
FGMCDA |
19.46 |
18.85 |
-0.61 |
| 6 |
Skinner, Hugo A (8)
|
FGCANE |
20.88 |
19.55 |
-1.33 |
| 7 |
Hall, Jonmarc A (8)
|
FGFFSC |
|
19.66 |
- |
| 8 |
Gonzalez, Kenneth (8)
|
FGMACM |
|
19.80 |
- |
| 9 |
Capote, Alejandro (8)
|
FGFFSC |
|
19.96 |
- |
| 10 |
Jimenez, Matthew (8)
|
FGSOFL |
22.37 |
20.36 |
-2.01 |
| 11 |
Negrin, Axel (7)
|
FGFFSC |
25.22 |
20.83 |
-4.39 |
| 12 |
Romeo, Lucas J (7)
|
FGMACM |
23.85 |
21.02 |
-2.83 |
| 13 |
Thakur, Aryav (8)
|
FGSOFL |
|
21.32 |
- |
| 14 |
Jimenez, Mason (8)
|
FGSOFL |
20.47 |
21.87 |
1.40 |
| 15 |
Gabaldon, Maximiliano (8)
|
FGMACM |
|
21.98 |
- |
| 16 |
Moya, Jason (8)
|
FGSOFL |
23.13 |
22.41 |
-0.72 |
| 17 |
Quesada, Jesse (7)
|
FGMACM |
22.15 |
23.32 |
1.17 |
| 18 |
Romanov, Nikita (7)
|
FGMACM |
26.23 |
23.84 |
-2.39 |
| 19 |
Pedraja, William G (8)
|
FGCANE |
27.43 |
23.85 |
-3.58 |
| 20 |
Moreira, Joshua (7)
|
FGMCDA |
|
24.09 |
- |
| 21 |
Betancourt, Franco A (7)
|
FGMCDA |
|
24.26 |
- |
| 22 |
Aguirre, Alessandro L (8)
|
FGFFSC |
|
24.47 |
- |
| 23 |
Bernten, Simon I (7)
|
FGFFSC |
|
24.52 |
- |
| 24 |
Kramer, Oscar P (7)
|
FGMSA |
24.45 |
24.95 |
0.50 |
| 25 |
Escobar, Lucas (8)
|
FGDRSC |
|
25.28 |
- |
| 26 |
Petkov, Martin M (8)
|
FGSOFL |
34.85 |
25.71 |
-9.14 |
| 27 |
Edgerton, Robert (8)
|
FGDRSC |
|
26.72 |
- |
| 28 |
Diez, Alexander L (8)
|
FGNMST |
|
29.77 |
- |
| 29 |
Dargham, Camilo S (7)
|
FGMCDA |
|
35.09 |
- |
| 30 |
Bogatov, Alex V (7)
|
FGNMST |
21.28 |
37.48 |
16.20 |
| 31 |
Hernandez, Kevin N (7)
|
FGMACM |
38.06 |
39.28 |
1.22 |
|
Collado, Francisco (7)
|
FGFFSC |
|
NS |
- |