| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rais, Gabriel L (10)
|
FGBRST |
1:12.27 |
1:07.85 |
-4.42 |
| 2 |
Jones, Jake F (10)
|
FGPCS |
1:07.25 |
1:08.21 |
0.96 |
| 3 |
Lin, Christopher T (10)
|
FGPCS |
1:10.07 |
1:11.89 |
1.82 |
| 4 |
Jean, Jordan M (9)
|
FGUNAT |
1:18.40 |
1:17.96 |
-0.44 |
| 5 |
Corrales, Renato (10)
|
FGSFTL |
|
1:20.96 |
- |
| 6 |
Linares, Lucas (9)
|
FGSFTL |
1:37.54 |
1:21.82 |
-15.72 |
| 7 |
Mantilla, Thiago (10)
|
FGMS |
1:40.03 |
1:21.97 |
-18.06 |
| 8 |
Ozaktay, Levent L (9)
|
FGPCS |
1:39.76 |
1:22.90 |
-16.86 |
| 9 |
Santos, Kevin T (10)
|
FGPCS |
1:34.04 |
1:23.74 |
-10.30 |
| 10 |
Sauvage, Oliver (10)
|
FGSFTL |
|
1:24.66 |
- |
| 11 |
Carey, Connor I (10)
|
FGSFTL |
1:24.20 |
1:25.00 |
0.80 |
| 12 |
Cisternas-Acho, Maximiliano (10)
|
FGBRST |
|
1:26.92 |
- |
| 13 |
Rosenthal, Frederick B (10)
|
FGPCS |
1:28.46 |
1:28.05 |
-0.41 |
| 14 |
Bonini, Pietro (8)
|
FGMS |
|
1:29.77 |
- |
| 15 |
Warner, Christopher C (8)
|
FGPCS |
|
1:30.96 |
- |
| 16 |
Dantas, Dylan (9)
|
FGBRST |
|
1:31.49 |
- |
| 17 |
Sachenko, Danil (10)
|
FGPCS |
1:32.92 |
1:31.72 |
-1.20 |
| 18 |
Bass, Alistair J (8)
|
FGSFTL |
1:27.56 |
1:35.58 |
8.02 |
| 19 |
Corrales, Francesco (8)
|
FGSFTL |
|
1:36.12 |
- |
| 20 |
McClaine, Brody T (10)
|
FGPCS |
|
1:40.51 |
- |
| 21 |
Sachenko, Nikita (10)
|
FGPCS |
1:47.70 |
1:43.42 |
-4.28 |
| 22 |
Antonio, Christian F (8)
|
FGPCS |
|
1:44.14 |
- |
| 23 |
Paden, Joseph I (9)
|
FGPCS |
1:56.48 |
1:45.23 |
-11.25 |
| 24 |
De Arcas, Pelayo (9)
|
FGMS |
|
1:47.73 |
- |