| Place | Lane | Name | School | Time | Heat |
| 1 | Palo Alto | Paly | 48.52 | 2 | |
| 2 | Milpitas | Milp | 49.54 | 2 | |
| 3 | Los Altos | LA | 49.70 | 2 | |
| 4 | Monta Vista | LG | 49.83 | 2 | |
| 5 | Los Gatos | MVIS | 49.86 | 2 | |
| 6 | Wilcox | Wil | 50.99 | 2 | |
| 7 | Mt View | MTVW | 51.51 | 2 | |
| 8 | Santa Clara | SCL | 51.56 | 2 | |
| 1 | 2 | Homestead | HOME | 52.85 | 1 |
| 2 | 6 | Lynbrook | Lyn | 53.18 | 1 |
| 3 | 5 | Cupertino | CUPE | 53.57 | 1 |