| Ralph | Wright | M | Cool | 73 | 1404068809 | Buffalo Chips Running Club (33) | 01/01/26 |
| Sterling | Wright | F | Mountain House | 13 | 2050211981 | Lions Den Athletic Group (42) | 02/22/26 |
| Brody | Wrixon | M | San Francisco | 17 | 2050344326 | | 01/18/26 |
| Ellen | Wrona | F | Mount Shasta | 67 | 2050293807 | | 01/02/26 |
| Aaron | Wu | M | Elk Grove | 9 | 2050340013 | William Land Elementary (46) | 12/02/25 |
| Cheng Yang | Wu | F | Fremont | 10 | 2050353876 | Mission Valley Track & Field Club (214) | 04/10/26 |
| Ken | Wu | M | San Francisco | 56 | 2050232531 | Pamakids (143) | 01/02/26 |
| Gary A | Wuest | M | Lodi | 80 | 1407639572 | | 01/01/26 |
| Abigail | Wunderlich | F | Livermore | 15 | 2050317931 | Golden State Throwers (18) | 01/01/26 |
| Glen E | Wyatt III | M | Manteca | 4 | 2050349017 | Lions Den Athletic Group (42) | 03/03/26 |
| Glen | Wyatt Jr. | M | Manteca | 39 | 2050294480 | Lions Den Athletic Group (42) | 03/18/26 |
| Jim | Wyatt | M | Belmont | 72 | 2050261072 | West Valley Track Club (161) | 01/05/26 |
| Kiara R | Wyatt | F | Manteca | 9 | 2050293458 | Lions Den Athletic Group (42) | 01/11/26 |
| Lenai R | Wyatt | F | Manteca | 10 | 2050293457 | Lions Den Athletic Group (42) | 03/03/26 |
| Malia D | Wyatt | F | Antioch | 9 | 2050296903 | Lions Den Athletic Group (42) | 03/18/26 |
| Mark D | Wyckoff | M | RENO | 63 | 1401384316 | | 01/01/26 |
| Robinson | Xiang | M | San Jose | 18 | 2050338386 | Menlo iGreyhounds TC (19) | 11/12/25 |
| karen | xiao | F | San Francisco | 49 | 2050344413 | Tamalpa Runners, Inc. (68) | 01/19/26 |
| Samantha D | Yagui | F | Pleasant Hill | 10 | 2050347106 | Diablo Valley Track & Field (105) | 02/16/26 |
| Brendan B | Yakulis | M | San Ramon | 14 | 2050196583 | Mount Diablo Heat (38) | 01/01/26 |
| Tate M | Yamashita | M | Pleasanton | 13 | 2050054669 | Mount Diablo Heat (38) | 01/01/26 |
| Ethan Y | Yan | M | San Carlos | 25 | 2050332832 | Peninsula Distance Club (52) | 04/12/26 |
| Hannah | Yan | F | Fremont | 14 | 2050299982 | Woodside Wildebeests (42) | 01/02/26 |
| Vivienne | Yancy | F | Elk Grove | 11 | 2050340015 | William Land Elementary (46) | 12/02/25 |
| Colette | Yang | F | West Sacramento Ca | 12 | 2050340492 | William Land Elementary (46) | 12/09/25 |
| Jeffrey | Yang Jr. | M | Sacramento | 10 | 2050340446 | William Land Elementary (46) | 12/08/25 |
| Julie | Yang | F | Palo Alto | 17 | 2050071929 | Max Velocity Prep (24) | 01/01/26 |
| Mei | Yang | F | San Jose | 50 | 2050284265 | Pamakids (143) | 01/21/26 |
| Raymond | Yang | M | Foster City | 8 | 2050338879 | Run Club Menlo Park (73) | 11/18/25 |
| Katelynn | Yao | F | Walnut Creek | 17 | 2050327563 | Knight Flyers (18) | 01/13/26 |
| Terrance | Yao | M | Daly City | 32 | 2050310713 | Pamakids (143) | 01/02/26 |
| Christina | Yarmul | F | Greenwood Village | 52 | 2050297539 | Joy's Jackrabbits Track Club (76) | 01/02/26 |
| Ayla | Yarnall | F | Redwood City | 14 | 2050332445 | Woodside Wildebeests (42) | 01/29/26 |
| Emi | Yasaka | F | SAN RAFAEL | 48 | 1508381900 | Pamakids (143) | 01/01/26 |
| Meera | Yashvant | F | San Ramon | 11 | 2050330437 | 2ndWind Athletics (28) | 02/03/26 |
| Christopher | Yee | M | San Ramon | 14 | 2050306284 | Grizzly Track Club (47) | 01/01/26 |
| Haruto | Yee | M | Pleasant Hill | 8 | 2050344569 | Diablo Valley Track & Field (105) | 01/20/26 |
| Irene | Yee | F | San Ramon | 16 | 2050293863 | Grizzly Track Club (47) | 01/01/26 |
| Victor W | Yee | M | Oakland | 36 | 1719747469 | Pamakids (143) | 03/14/26 |
| Luke | Yefremenko | M | Modesto | 13 | 2050349170 | Central Valley Roadrunners (108) | 03/04/26 |
| Claire R | Yerby | F | Montara | 24 | 1408094629 | Peninsula Distance Club (52) | 01/01/26 |
| Jen | Yip | F | San Francisco | 45 | 1408080834 | Impala Racing Team (149) | 03/21/26 |
| Ryan M | Yoo | M | San Ramon | 15 | 2050293746 | Grizzly Track Club (47) | 01/01/26 |
| Grace E | York | F | Walnut Creek | 16 | 2050083893 | Diablo Valley Track & Field (105) | 01/01/26 |
| Logan | Yoshida | M | Fremont | 13 | 2050264304 | Mission Valley Track & Field Club (214) | 01/01/26 |
| David M | Yott | M | Walnut Creek | 45 | 1920762042 | Walnut Creek Track Club (4) | 01/01/26 |
| Theodore | Yott | M | Walnut Creek | 14 | 2050325058 | Knight Flyers (18) | 01/04/26 |
| Haoren | You | M | Sacramento | 11 | 2050340187 | William Land Elementary (46) | 12/05/25 |
| Haoyu | You | M | Sacramento | 11 | 2050340188 | William Land Elementary (46) | 12/05/25 |
| Mark J | Youmans | M | Cottonwood | 70 | 1400506661 | | 01/01/26 |
| Bob | Young | M | Grover Beach | 91 | 2050194269 | | 01/02/26 |
| Georgia S | Young | F | SAN FRANCISCO | 48 | 1920515598 | Impala Racing Team (149) | 01/01/26 |
| Hakeem | Young | M | Richmond | 16 | 1608903736 | East Bay Elite Track Club (33) | 02/28/26 |
| James F | Young | M | WHITE HOUSE | 65 | 1404455717 | Golden Valley Harriers (12) | 01/01/26 |
| Regina | Young | F | Oakland | 9 | 2050343264 | Oakland PAL (240) | 01/11/26 |
| Riya | Young | F | San Francisco | 58 | 1406958411 | Pamakids (143) | 02/02/26 |
| Scott M | Young | M | Gilroy | 44 | 1903632899 | | 01/01/26 |
| Easton | Young-Perez | M | San Ramon | 15 | 2050313329 | California Grizzlies (24) | 01/01/26 |
| Tatiana | Youngblood | F | Elk Grove | 16 | 2050345711 | | 02/02/26 |
| Zahara | Youngblood | F | Oakland | 9 | 2050234874 | Oakland Cubs (75) | 01/05/26 |
| Jamie | Yu | F | San francisco | 30 | 2050301564 | Impala Racing Team (149) | 01/02/26 |
| Evan | Yuan | M | Redwood City | 7 | 2050350243 | | 03/13/26 |
| Thea | Yuan | F | REDWOOD CITY | 9 | 2050286278 | Run Club Menlo Park (73) | 12/31/25 |
| RAMON | ZACARIAS | M | Watsonville | 52 | 2050084867 | Santa Cruz Track Club (32) | 01/01/26 |
| Shane | Zade | M | Placerville | 52 | 2050341767 | | 12/29/25 |
| Eric | Zaffiro | M | San Jose | 43 | 2050290121 | | 01/02/26 |
| Siena | Zaid | F | Sacramento | 8 | 2050295290 | Sac-Town Coyotes (33) | 01/01/26 |
| Talia | Zaid | F | Sacramento | 10 | 2050211251 | Sac-Town Coyotes (33) | 01/01/26 |
| Yael | Zaid | F | Sacramento | 12 | 2050211252 | Sac-Town Coyotes (33) | 01/01/26 |
| Samuel | Zajic | M | San Francisco | 9 | 2050344272 | Team Onalysis (51) | 01/18/26 |
| Jack | Zakarian | M | Orinda | 74 | 1508660105 | Lake Merritt Joggers and Striders Race Team (83) | 02/04/26 |
| Zoey | Zakem | F | Mill Valley | 15 | 2050344161 | Marin Waves Track & Field Club (31) | 01/17/26 |
| Jeffrey G | Zambo | M | ARROYO GRANDE | 56 | 2050301775 | Central Coast Peregrines Track Club (120) | 03/09/26 |
| Bridget A | Zapata | F | Oakland | 36 | 1508665690 | Impala Racing Team (149) | 01/01/26 |
| Camilla N | Zapien | F | Turlock | 9 | 2050343504 | Turlock Flyers Track Club (21) | 01/12/26 |
| Catherine | Zaretzki | F | Los Altos | 16 | 2050316186 | | 02/03/26 |
| Tegan A | Zavala | F | Castro Valley | 12 | 2050196921 | Oakland PAL (240) | 01/05/26 |
| Riley Z | Zavatson | F | Davis | 14 | 2050320543 | Delta Hawks (17) | 12/31/25 |
| Margot A | Zemke | F | Elk Grove | 17 | 2050270902 | Trailblazers Track Club (20) | 04/13/26 |
| Lindy | Zeng | F | San Francisco | 29 | 1820347548 | West Valley Track Club (161) | 01/21/26 |
| Christopher L | Zepeda | M | East Garrison | 49 | 1407045184 | | 01/01/26 |
| MAC | ZHANG | M | Mountain View | 15 | 2050266175 | Menlo iGreyhounds TC (19) | 01/02/26 |
| Yue | Zhang | M | Union City | 43 | 2050353573 | | 04/08/26 |
| Chloe | Zheng | F | Menlo Park | 11 | 2050339635 | | 11/29/25 |
| Emily | Zhong | F | San Francisco | 28 | 2050332919 | Impala Racing Team (149) | 01/02/26 |
| Evelyn Y | Zhou | F | Fremont | 8 | 2050339250 | | 11/22/25 |
| Kali B | Zivitz | F | San Francisco | 57 | 1819910496 | Pamakids (143) | 01/01/26 |
| Sophia | Zong | F | Pleasanton | 16 | 2050330825 | Falcon Track Club (45) | 01/05/26 |
| Michael | Zygaczenko | M | Brentwood | 71 | 1507477071 | Aggie Running Club (91) | 01/01/26 |