| Place | Lane | Name | School | Time | Qual Mark |
| 1 | 4 | Alyssa Biondi (9) | LA | 12.88 | 00:13.02 |
| 2 | 5 | Tatiana Thomas (10) | LA | 13.11 | 00:13.29 |
| 3 | 3 | Deanna Brown (10) | LA | 13.53 | 00:13.43 |
| 4 | 3 | Jenna Clark (10) | LG | 13.54 | 00:13.56 |
| 5 | 6 | Michaela Venuti (9) | Gunn | 13.69 | 00:13.61 |
| 6 | 5 | Whitley Mclendon (9) | Milp | 13.70 | 00:13.14 |
| 7 | 2 | Olivia Bauman (10) | Paly | 13.82 | 00:13.94 |
| 8 | 2 | Rebecca Paley-Williams (9) | LG | 13.88 | 00:13.84 |
| 9 | 6 | Tiffany Stone (9) | Gunn | 13.90 | 00:13.83 |
| 10 | 7 | Tiffany Irizarry (9) | LG | 13.94 | 00:14.11 |
| 11 | 1 | Mai-Lee Hung (9) | Paly | 13.98 | 00:14.13 |
| 12 | 7 | Krystle Peterson (10) | Wil | 14.03 | 00:14.11 |
| 13 | 4 | Betsy Penick (9) | Paly | 14.10 | 00:13.10 |
| 14 | 1 | Jennifer Prestano (10) | Milp | 14.38 | 00:14.24 |
| 15 | 8 | Emily Lin (9) | Lyn | 14.63 | 00:14.36 |
| 16 | 8 | Molly Kawahata (9) | Gunn | 14.79 | 00:14.33 |