| Haoren | You | M | Sacramento | 11 | 2050340187 | William Land Elementary (48) | 12/05/25 |
| Haoyu | You | M | Sacramento | 11 | 2050340188 | William Land Elementary (48) | 12/05/25 |
| Mark J | Youmans | M | Cottonwood | 70 | 1400506661 | | 01/01/26 |
| Apollo | Young | M | Lodi | 9 | 2050359206 | Lodi Track Club (180) | 05/12/26 |
| Bob | Young | M | Grover Beach | 92 | 2050194269 | | 01/02/26 |
| Bryce | Young | M | Carmichael | 11 | 2050377576 | Sacramento Valley Endurance (83) | 08/18/26 |
| Cody | Young | M | Carmichael | 13 | 2050377577 | Sacramento Valley Endurance (83) | 08/18/26 |
| Hakeem | Young | M | Richmond | 16 | 1608903736 | East Bay Elite Track Club (36) | 02/28/26 |
| James F | Young | M | WHITE HOUSE | 65 | 1404455717 | Golden Valley Harriers (23) | 01/01/26 |
| Kyree | Young | M | Sacramento | 13 | 2050324596 | Playmakers Elite (26) | 05/20/26 |
| Scott M | Young | M | Gilroy | 45 | 1903632899 | | 01/01/26 |
| Easton | Young-Perez | M | San Ramon | 16 | 2050313329 | California Grizzlies (44) | 01/01/26 |
| Steven | Youngblood | M | Hayward | 33 | 2050270915 | Aggie Running Club (122) | 08/11/26 |
| Cameron | Yount | M | Tracy | 15 | 2050214043 | 5 NORTH (77) | 06/17/26 |
| Nicholas | Yu | M | San Ramon | 17 | 2050293969 | Grizzly Track Club (84) | 06/07/26 |
| Evan | Yuan | M | Redwood City | 8 | 2050350243 | | 03/13/26 |
| RAMON | ZACARIAS | M | Watsonville | 52 | 2050084867 | Santa Cruz Track Club (54) | 01/01/26 |
| Shane | Zade | M | Placerville | 53 | 2050341767 | | 12/29/25 |
| Eric | Zaffiro | M | San Jose | 44 | 2050290121 | | 01/02/26 |
| Samuel | Zajic | M | San Francisco | 9 | 2050344272 | Team Onalysis (65) | 01/18/26 |
| Jack | Zakarian | M | Orinda | 74 | 1508660105 | Lake Merritt Run Club (103) | 02/04/26 |
| Jeffrey G | Zambo | M | ARROYO GRANDE | 56 | 2050301775 | Central Coast Peregrines Track Club (122) | 03/09/26 |
| Kassian G | Zanon | M | Pleasanton | 16 | 2050314517 | Falcon Track Club (98) | 06/16/26 |
| Micah | Zarate | M | Pleasanton | 13 | 2050362081 | Falcon Track Club (98) | 05/21/26 |
| Cole | Zarker | M | El Granada | 9 | 2050377895 | | 08/25/26 |
| Anthony (AJ) | Zavadil | M | East Palo Alto | 11 | 2050373522 | East Palo Alto Greyhounds (47) | 06/18/26 |
| Rodrigo | Zavala | M | Greenfield | 17 | 2050310892 | Central Coast Track Club (117) | 06/10/26 |
| Kyle | Zawalski | M | San Jose | 16 | 2050366535 | SF Striders Youth Track (58) | 06/01/26 |
| Xavier N | Zazaboi | M | San Jose | 10 | 2050360477 | | 05/17/26 |
| Christopher L | Zepeda | M | East Garrison | 50 | 1407045184 | | 01/01/26 |
| Leonardo | Zepeda | M | Tracy | 12 | 2050357633 | 5 NORTH (77) | 05/04/26 |
| MAC | ZHANG | M | Mountain View | 16 | 2050266175 | Menlo iGreyhounds TC (27) | 01/02/26 |
| Yue | Zhang | M | Union City | 44 | 2050353573 | | 04/08/26 |
| Tie | Zheng | M | Palo Alto | 31 | 2050365785 | Peninsula Distance Club (66) | 05/30/26 |
| Will A | Zuercher | M | Mill Valley | 17 | 2050369675 | Marin Youth Track Club (14) | 06/08/26 |
| Betinho | Zunguze | M | Pacific Grove | 17 | 2050359913 | Maneuver Athletics (57) | 05/15/26 |
| Nathan | Zuno | M | Reno | 15 | 2050365430 | N-Spire Track and Field Club (NTFC) (19) | 05/30/26 |
| Michael | Zygaczenko | M | Brentwood | 72 | 1507477071 | Aggie Running Club (122) | 01/01/26 |