| Place | Swimmer | Age | Club | Time | Std | Power pts |
|---|---|---|---|---|---|---|
| 1 | Humberto Najera | 16 | CAEVO | 3:55.97 | — | 863 |
| 2 | Kenneth Tse | 15 | CANOVA | 4:20.08 | — | 685 |
| 3 | Wyatt Kurtz | 17 | CAMVN | 4:21.61 | — | 626 |
| 4 | Dean Fujimoto | 16 | CAUN-2 | 4:26.95 | — | 596 |
| 1 | Jasmine Liu | 16 | CAMVN | 4:32.32 | — | 715 |
| 2 | Bethany Garcia | 15 | CAMVN | 4:44.28 | — | 644 |
| 3 | Hillary Lowengrub | 16 | CAMVN | 4:49.10 | — | 598 |
| 4 | Kali Rankin Zelada | 13 | CARMDA | 4:50.37 | AA | 653 |
| 5 | Ai Taguchi | 15 | CAMVN | 4:51.40 | — | 598 |
| 6 | Chih Chang | 14 | CAMVN | 4:54.31 | — | 590 |
| 7 | Treahnna Toledo | 16 | SINCA | 4:56.38 | — | 555 |