| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mazzi, Stefano R (10)
|
FGSOFL |
48.84 |
46.36 |
-2.48 |
| 2 |
Viazmetinov, Oleksii (10)
|
FGSOFL |
54.00 |
49.33 |
-4.67 |
| 3 |
Stewart, Adam L (10)
|
FGSOFL |
|
49.57 |
- |
| 4 |
Petkov, Martin M (10)
|
FGSOFL |
53.65 |
52.85 |
-0.80 |
| 5 |
Nesterov, Nikita (9)
|
FLMSAT |
|
54.90 |
- |
| 6 |
Sowma, Adrian J (10)
|
FGSOFL |
57.18 |
56.22 |
-0.96 |
| 7 |
Chaussky, Aleksander (10)
|
FGSOFL |
|
56.64 |
- |
| 8 |
McVeigh, Dylan M (9)
|
FGSOFL |
56.80 |
57.19 |
0.39 |
| 9 |
McPeek, Logan (10)
|
FGSOFL |
1:02.80 |
59.37 |
-3.43 |
| 10 |
Khasanov, Fail (9)
|
FLMSAT |
|
1:00.44 |
- |
| 11 |
Scheingoltz, Mateo (10)
|
FGMCDA |
1:04.25 |
1:01.12 |
-3.13 |
| 12 |
Christensen, Preston R (9)
|
FGSOFL |
|
1:02.14 |
- |
| 13 |
Pinkhasov, David A (7)
|
FLMSAT |
|
1:04.31 |
- |
| 14 |
Amaral, Leonardo (8)
|
FGMCDA |
|
1:05.62 |
- |
| 15 |
Chaussky, Daniel (8)
|
FGSOFL |
|
1:05.63 |
- |
| 16 |
Rodriguez, Lorenzo E (8)
|
FGMCDA |
1:16.16 |
1:07.60 |
-8.56 |
| 17 |
Quingatuna, Luis Felipe (7)
|
FGAZFL |
|
1:11.49 |
- |
| 18 |
Leontev, Aleksandr (9)
|
FLMSAT |
|
DQ |
- |
| 19 |
Moya, Jason (10)
|
FGSOFL |
1:11.50 |
1:12.63 |
1.13 |
|
Rodriguez, Camilo I (6)
|
FGMCDA |
|
DQ |
- |
|
Sirma, Aras (7)
|
FGAZFL |
|
DQ |
- |
|
Gonzalez, David E (8)
|
FGUSOF |
|
DQ |
- |
|
Pinkusevich, Aaron (8)
|
FLMSAT |
|
NS |
- |
|
Herran, Rocco (8)
|
FGAZFL |
|
NS |
- |