| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Penaloza, Abraham G (10)
|
FGYSF |
31.62 |
32.50 |
0.88 |
| 2 |
Fothergill, Liam (9)
|
FGMWA |
34.63 |
33.35 |
-1.28 |
| 3 |
Ginestra, Federico (10)
|
FGYSF |
35.92 |
34.58 |
-1.34 |
| 4 |
Perez-Escobar, Sebastian (10)
|
FGYSF |
34.55 |
35.20 |
0.65 |
| 5 |
Sanchez, Cesar A (10)
|
FGPST |
34.63 |
35.94 |
1.31 |
| 6 |
Guardia, Javier A (10)
|
FGPST |
42.07 |
36.99 |
-5.08 |
| 7 |
Wasserman, Jacob A (10)
|
FGYSF |
36.39 |
37.23 |
0.84 |
| 8 |
Jeffery, Logan M (10)
|
FGCSSC |
39.91 |
39.29 |
-0.62 |
| 9 |
Ives, Keagan R (9)
|
FGYSF |
|
40.32 |
- |
| 10 |
De Veer, Enrique (8)
|
FGYSF |
41.35 |
40.87 |
-0.48 |
| 11 |
Mantilla, Guillermo J (7)
|
FGYSF |
50.47 |
41.63 |
-8.84 |
| 12 |
Guio, Santiago (8)
|
FGYSF |
43.79 |
41.88 |
-1.91 |
| 13 |
Ives, Matthew S (9)
|
FGYSF |
|
42.48 |
- |
| 14 |
Park, Brandon (9)
|
FGYSF |
|
42.81 |
- |
| 15 |
Alan, Nicolas J (9)
|
FGYSF |
47.56 |
43.25 |
-4.31 |
| 16 |
Barnett, Chace (9)
|
FGYSF |
|
43.85 |
- |
| 17 |
Aigen, Ethan M (10)
|
FGYSPB |
|
43.90 |
- |
| 18 |
Bicerne, Bastiaan E (7)
|
FGYSF |
|
44.10 |
- |
| 19 |
Burgos, Santiago (8)
|
FGYSF |
|
44.11 |
- |
| 20 |
Gittelsohn, Collin D (8)
|
FGYSF |
|
45.65 |
- |
| 21 |
Perez-Escobar, Felipe (8)
|
FGYSF |
44.34 |
48.19 |
3.85 |
| 22 |
Wang, Jerry C (10)
|
FGYSF |
48.85 |
49.15 |
0.30 |
| 23 |
Park, Jayden H (7)
|
FGYSF |
|
49.23 |
- |
| 24 |
Aigen, Lucas I (8)
|
FGYSPB |
|
50.69 |
- |
| 25 |
Gonzalez, David E (7)
|
FGYSF |
1:00.38 |
51.05 |
-9.33 |
| 26 |
Ginestra, Luis Felipe (7)
|
FGYSF |
|
53.65 |
- |
| 27 |
Gentilhomme, Marcus C (8)
|
FGFLA |
|
54.12 |
- |
| 28 |
Alan, Christopher D (6)
|
FGYSF |
|
57.69 |
- |
|
Gordon, Khaleed (10)
|
FGFLA |
|
NS |
- |
|
Vargas, Diego M (10)
|
FGMWA |
|
NS |
- |