| Place | Swimmer | Age | Club | Time | Std | Power pts |
|---|---|---|---|---|---|---|
| 1 | Shay Callanan | 17 | ADBENN | 19:37.40 | — | 529 |
| 2 | Valerie Tennyson | 17 | ADSCHE | 20:40.03 | — | 453 |
| 1 | Samuel Robinson | 17 | ADCANA | 20:52.85 | — | 347 |
| 3 | Margaret Raffo | 17 | ADCLRK | 21:41.90 | — | 391 |
| 1 | Grace Deal | 14 | ADNHA | 22:01.36 | B | 390 |
| 1 | Jacob Barlow | 13 | ADCANA | 22:52.67 | — | 326 |
| 2 | Parker Forrest | 16 | ADCANA | 23:13.90 | — | 253 |