| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Shutov, Mark V (10)
|
FGNMST |
29.46 |
29.70 |
0.24 |
| 2 |
Yordi, Joshua (10)
|
FGOSC |
31.20 |
31.48 |
0.28 |
| 3 |
Mazzi, Stefano R (10)
|
FGSOFL |
31.04 |
31.76 |
0.72 |
| 4 |
Longo, Kai (10)
|
FGEA |
33.05 |
32.08 |
-0.97 |
| 5 |
Kolobov, Tikhon (9)
|
FGNMST |
32.59 |
32.45 |
-0.14 |
| 6 |
Fernandez, Luca V (10)
|
FGEA |
33.58 |
33.59 |
0.01 |
| 7 |
Gerasim, George (8)
|
FGNMST |
32.75 |
33.79 |
1.04 |
| 8 |
Frias, Adriano A (10)
|
FGMACM |
36.77 |
36.15 |
-0.62 |
| 9 |
McPeek, Logan (10)
|
FGSOFL |
40.99 |
38.62 |
-2.37 |
| 10 |
Blanca, Luis F (10)
|
FGMACM |
|
39.34 |
- |
| 11 |
Ramirez, Nikolay (8)
|
FGMACM |
40.57 |
41.85 |
1.28 |
| 12 |
Ortiz, Matthew P (7)
|
FGSOFL |
43.15 |
42.88 |
-0.27 |
| 13 |
McVeigh, Dylan M (8)
|
FGSOFL |
40.21 |
43.41 |
3.20 |
| 14 |
Garcia, Alan N (9)
|
FGMACM |
51.54 |
44.99 |
-6.55 |
| 15 |
D'Alessandria, Dante (8)
|
FGMACM |
46.34 |
45.77 |
-0.57 |
| 16 |
Sanchez, Adrian J (9)
|
FGEA |
48.99 |
46.72 |
-2.27 |
| 17 |
Pescher, Hugo G (9)
|
FGEA |
1:05.00 |
46.74 |
-18.26 |
| 18 |
Gonzalez, Jose E (10)
|
FGMACM |
|
48.39 |
- |
| 19 |
Losada Herrera, Lucas (8)
|
FGMACM |
51.63 |
50.25 |
-1.38 |
| 20 |
Perez, Lester M (7)
|
FGMACM |
50.20 |
51.21 |
1.01 |
| 21 |
Duffy, Dillon L (9)
|
FGEA |
49.70 |
52.11 |
2.41 |
| 22 |
Varona, Gabriel V (10)
|
FGMACM |
54.46 |
57.88 |
3.42 |
| 23 |
Lobo, Otto D (7)
|
FGEA |
1:02.69 |
1:01.47 |
-1.22 |
|
Sarypbekov, Kayrat E (10)
|
FGNMST |
49.30 |
NS |
- |
|
Kramer, Oscar P (9)
|
FGEA |
36.12 |
NS |
- |