| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Baltodano, Michael A (11)
|
FGMBS |
29.54 |
28.91 |
-0.63 |
| 2 |
Reta, Ethan R (12)
|
FGMBS |
29.73 |
29.32 |
-0.41 |
| 3 |
Leal, Samuel A (12)
|
FGFFSC |
30.49 |
30.12 |
-0.37 |
| 4 |
Chichoni, Zachary L (12)
|
FGFFSC |
31.11 |
30.58 |
-0.53 |
| 5 |
Burnham Ugalde, Hector X (12)
|
FGMBS |
30.81 |
30.68 |
-0.13 |
| 6 |
Calvo, Jaime J (11)
|
FGDRSC |
31.41 |
30.72 |
-0.69 |
| 7 |
Palacios, Gianmarco * (12)
|
FGMACM |
31.16 |
30.86 |
-0.30 |
| 8 |
Touya, Fabrice (12)
|
FGFFSC |
31.64 |
31.05 |
-0.59 |
| 9 |
Wilson, Evan (11)
|
FGMCDA |
|
31.74 |
- |
| 10 |
Pagan, Maximus A (11)
|
FGDRSC |
32.03 |
32.35 |
0.32 |
| 11 |
Nazario-Vazquez, Diego A (11)
|
FGSOFL |
35.28 |
32.62 |
-2.66 |
| 12 |
Amer, Yassin M (11)
|
FGFFSC |
34.07 |
33.16 |
-0.91 |
| 13 |
Weisson, Matthew (12)
|
FGFFSC |
33.40 |
33.41 |
0.01 |
| 14 |
Balula, Nathan P (11)
|
FGMBS |
34.77 |
33.86 |
-0.91 |
| 15 |
Lara, Christian N (11)
|
FGDRSC |
32.60 |
34.11 |
1.51 |
| 16 |
Mansur, Marcelo (11)
|
FGMACM |
33.37 |
34.44 |
1.07 |
| 16 |
Ferrari, Anthony G (11)
|
FGMBS |
42.07 |
34.44 |
-7.63 |
| 18 |
Berman, Caleb M (12)
|
FGMCDA |
39.01 |
35.11 |
-3.90 |
| 19 |
Bonilla, Andres E (12)
|
FGMSA |
37.62 |
35.24 |
-2.38 |
| 20 |
Florin, Harry W (11)
|
FGMCDA |
40.21 |
35.36 |
-4.85 |
| 21 |
Mendieta, Matthew J (12)
|
FGSOFL |
35.64 |
36.47 |
0.83 |
| 22 |
Aldabe, Emmanuel C (12)
|
FGMSA |
|
36.65 |
- |
| 23 |
Grenier, David * (11)
|
FGCANE |
|
39.42 |
- |
| 24 |
Salguero, Maximiliano (12)
|
FGSOFL |
|
39.96 |
- |
| 25 |
Singh, Jashan (11)
|
FGMCDA |
|
42.53 |
- |
| 26 |
Scott, Declan J (12)
|
FGMCDA |
43.85 |
43.32 |
-0.53 |
| 27 |
Sequeira, Allan D (12)
|
FGMACM |
|
43.69 |
- |
| 28 |
Gonzalez, Anthony (11)
|
FGMACM |
|
48.70 |
- |
| 29 |
Gomez, Adrian A (11)
|
FGMACM |
50.12 |
50.40 |
0.28 |
| 30 |
Fonte, Lucas * (11)
|
FGNMST |
|
57.86 |
- |
|
Fermin, Tomas E (11)
|
FGMBS |
32.53 |
NS |
- |