| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Salazar, Santiago (12)
|
GUPFL |
1:08.24 |
1:01.93 |
-6.31 |
| 2 |
Suarez, Cruz L (11)
|
GUVSST |
1:05.11 |
1:04.81 |
-0.30 |
| 3 |
Figueredo-Weiser, Lukas (11)
|
GUVSST |
1:16.78 |
1:11.90 |
-4.88 |
| 4 |
Esparza, Ethan L (12)
|
GUUNAT |
1:12.60 |
1:12.83 |
0.23 |
| 5 |
Scott, Shane M (12)
|
GUVSST |
1:21.12 |
1:22.06 |
0.94 |
| 6 |
Pedracio, Gabriel Pierre B (12)
|
GUKATY |
1:38.73 |
1:24.51 |
-14.22 |
| 7 |
Cao, Yuyang (12)
|
GUKATY |
1:48.94 |
1:26.84 |
-22.10 |
| 8 |
Zhang, Eric K (11)
|
GUKATY |
1:41.85 |
1:28.18 |
-13.67 |
| 9 |
Qiao, Samuel Z (12)
|
GUKATY |
|
1:29.48 |
- |
| 10 |
Conroy, Ryan J (11)
|
GUVSST |
1:27.99 |
1:33.87 |
5.88 |
| 11 |
Altayev, Ablaikhan B (12)
|
GUPFL |
|
1:34.83 |
- |
| 12 |
Monteiro, Marcos E (12)
|
GUKATY |
1:50.00 |
1:35.26 |
-14.74 |
| 13 |
Kroll, William S (11)
|
GUKATY |
1:50.65 |
1:40.17 |
-10.48 |
| 14 |
Orozco, Andres (11)
|
GUKATY |
|
1:57.51 |
- |
| 15 |
Garza, Elias O (11)
|
GUKATY |
|
2:04.69 |
- |
|
Xiang, Eric (11)
|
GUKATY |
|
DQ |
- |
|
Kim, Peter S (11)
|
GUKATY |
|
DQ |
- |
|
Pazin, Denis N (12)
|
GUKATY |
|
NS |
- |