| Place | Swimmer | Age | Club | Time | Std | Power pts |
|---|---|---|---|---|---|---|
| 1 | Lucas Brunett | 16 | UNAT | 52.45 | — | 705 |
| 1 | Kelia Naranjo | 13 | CAMAX | 1:01.19 | — | 671 |
| 2 | Tonalli Sanchez | 15 | CAPDSC | 1:01.19 | — | 479 |
| 3 | Austin Ly | 13 | CARORA | 1:01.31 | B | 589 |
| 4 | Zackary Zhou | 12 | CAMAX | 1:07.80 | — | 489 |
| 2 | Hailey Hellenga | 16 | CAPDSC | 1:11.70 | — | 369 |
| 3 | Nadia Frutkin | 13 | CAPDSC | 1:16.66 | — | 341 |
| 4 | Rebekka Hellenga | 14 | CAPDSC | 1:19.33 | — | 289 |