| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Levine, Aidan (9)
|
MRTRI |
34.40 |
33.62 |
-0.78 |
| 2 |
Bastardo Ramirez, Fausto E (10)
|
ZZMAH |
36.06 |
34.39 |
-1.67 |
| 3 |
Colmenares, Javier A (10)
|
FGSOFL |
36.58 |
35.19 |
-1.39 |
| 4 |
Hincapie, Luca (10)
|
FGSOFL |
39.78 |
36.45 |
-3.33 |
| 5 |
Musa, Farouk (9)
|
FGHAT |
39.99 |
38.62 |
-1.37 |
| 6 |
Olivares, Nathaniel (10)
|
ZZLACE |
38.97 |
39.48 |
0.51 |
| 7 |
Dominguez, Alfredo H (10)
|
FGBMHG |
41.53 |
39.61 |
-1.92 |
| 8 |
Piñeiro, Anthony A (9)
|
ZZNACO |
41.16 |
40.62 |
-0.54 |
| 9 |
Barreto, Joshua (9)
|
FGOSC |
40.51 |
41.68 |
1.17 |
| 10 |
Chacin, David A (10)
|
FGBMHG |
41.97 |
42.86 |
0.89 |
| 11 |
Bonilla, Sebastian (10)
|
ZZNACO |
50.44 |
43.00 |
-7.44 |
| 12 |
Hau, Derek (9)
|
FGUN-S |
42.73 |
43.37 |
0.64 |
| 13 |
Balade, Nahuel A (10)
|
FGCM |
44.57 |
43.86 |
-0.71 |
| 14 |
Panol, Omar (8)
|
FGBMHG |
42.24 |
43.88 |
1.64 |
| 15 |
Kim, Benjamin (9)
|
FGSOFL |
51.94 |
47.58 |
-4.36 |
| 16 |
Yordi, Joshua (9)
|
FGOSC |
47.96 |
47.71 |
-0.25 |
| 17 |
Natino, Joseph-Blake (8)
|
FGSOFL |
50.24 |
48.01 |
-2.23 |
| 18 |
Herek, Lorenzo C (10)
|
FGPST |
51.00 |
52.00 |
1.00 |
| 19 |
Valdes, Christian A (9)
|
FGBMHG |
48.86 |
53.17 |
4.31 |
| 20 |
Ruiz, Saul (9)
|
ZZLACE |
52.13 |
53.44 |
1.31 |
| 21 |
Gonzalez, Enzo (8)
|
FGBMHG |
52.43 |
53.66 |
1.23 |
| 22 |
Whitney, Maxwell P (10)
|
FGCCPR |
50.73 |
55.33 |
4.60 |
| 23 |
Rios, Brandon A (10)
|
FGSOFL |
53.23 |
55.66 |
2.43 |
| 24 |
Viada-Coroba, Carlos A (9)
|
FGCM |
1:00.43 |
56.56 |
-3.87 |
| 25 |
Espino, Kyle D (9)
|
FGHAT |
1:06.39 |
58.18 |
-8.21 |
| 26 |
Wang, Sirui * (10)
|
FLSEA |
1:04.44 |
1:00.34 |
-4.10 |
| 27 |
Milian, Jason (8)
|
FGBMHG |
1:19.67 |
1:03.12 |
-16.55 |
| 28 |
Sanchez, Cesar A (9)
|
FGPST |
1:05.52 |
1:06.36 |
0.84 |
|
Escobar, Alexander X (9)
|
FGPST |
|
DQ |
- |
|
Guardia, Javier A (9)
|
FGPST |
1:01.74 |
NS |
- |
|
Lee, Nicholas J (9)
|
MRTRI |
38.17 |
NS |
- |