| Place | Lane | Name | School | Time | Heat | Heat Place |
| 1 | 4 | Mt. Pleasant | MTPL A | 47.71 | 1 | 1 |
| 2 | 4 | Valley Christian High Sch | VCCC A | 48.17 | 2 | 1 |
| 3 | 4 | Palo Alto High School | PALY A | 48.34 | 3 | 1 |
| 4 | 4 | Mitty High School | AMIT A | 48.75 | 4 | 1 |
| 5 | 5 | Monta Vista High School | MTVI A | 49.59 | 2 | 2 |
| 6 | 4 | Saint Ignatius High School | STIG A | 49.72 | 5 | 1 |
| 7 | 5 | Los Altos High School | LOAL A | 49.74 | 3 | 2 |
| 8 | 3 | Menlo Atherton High Sch. | MEAT A | 49.82 | 2 | 3 |
| 9 | 5 | Silver Creek | SCRK A | 49.84 | 4 | 2 |
| 10 | 5 | Santa Cruz High School | SCRZ A | 50.01 | 1 | 2 |
| 11 | 5 | Milpitas High School | MILP A | 50.15 | 5 | 2 |
| 12 | 6 | Notre Dame San Jose | NDSJ A | 50.28 | 4 | 3 |
| 13 | 3 | Los Gatos High School | LOGA A | 50.29 | 1 | 3 |
| 14 | 3 | Mills High School | MILL A | 50.75 | 4 | 4 |
| 15 | 3 | Aragon High School | ARAG A | 50.78 | 3 | 3 |
| 16 | 6 | North Salinas High School | NSAL A | 51.12 | 2 | 4 |
| 17 | 6 | Salinas High School | SALI A | 51.18 | 1 | 4 |
| 18 | 6 | Aptos High School | APTO A | 51.24 | 5 | 3 |
| 19 | 6 | Wilcox High School | WILC A | 51.26 | 3 | 4 |
| 20 | 2 | Pioneer | PION A | 51.32 | 1 | 5 |
| 21 | 2 | Seaside High School | SEAS A | 51.51 | 4 | 5 |
| 22 | 3 | Evergreen Valley | EVGV A | 51.70 | 5 | 4 |
| 23 | 7 | Redwood Christian School | RWCH A | 51.93 | 5 | 5 |
| 24 | 7 | Carmel High School | CARM A | 52.04 | 2 | 5 |
| 25 | 2 | Leland | LELA A | 52.06 | 3 | 5 |
| 26 | 7 | Independence | INDE A | 52.16 | 3 | 6 |
| 27 | 2 | Monte Vista Christian HS | MVIS A | 52.18 | 2 | 6 |
| 28 | 2 | Piedmont Hills | PIHI A | 52.63 | 5 | 6 |
| 29 | 1 | Westmoor High School | WSMR A | 52.73 | 2 | 7 |
| 30 | 7 | Westmont High School | WSMT A | 52.84 | 4 | 6 |
| 31 | 1 | Burlingame High School | BURL A | 52.89 | 1 | 6 |
| 32 | 7 | Notre Dame Salinas HS | NDCC A | 52.90 | 1 | 7 |