| Sierra | Worster | F | Lafayette | 17 | 2050316382 | Knight Flyers (29) | 05/26/25 |
| Eric B | Worthington | M | Redding | 12 | 2050289463 | NorCal Striders (18) | 11/02/24 |
| Xanden | Worthington | M | Elk Grove | 14 | 2050303021 | Playmakers Elite Track Club (18) | 03/06/25 |
| Ardashess | Wright | M | Arroyo Grande | 8 | 2050303518 | Central Coast Peregrines Track Club (140) | 03/10/25 |
| Kais | Wright | M | Arroyo Grande | 10 | 2050302749 | Central Coast Peregrines Track Club (140) | 03/04/25 |
| Nyla MD | Wright | F | Oakland | 8 | 2050247946 | Oakland PAL (273) | 01/16/25 |
| Sterling | Wright | F | Mountain House | 13 | 2050211981 | Lions Den Athletic Group (28) | 01/28/25 |
| Abigail | Wunderlich | F | Livermore | 14 | 2050317931 | Golden State Throwers (26) | 05/29/25 |
| Kiara R | Wyatt | F | Lathrop | 8 | 2050293458 | Lions Den Athletic Group (28) | 12/05/24 |
| Lenai R | Wyatt | F | Lathrop | 10 | 2050293457 | Lions Den Athletic Group (28) | 12/05/24 |
| Malia | Wyatt | F | Antioch | 9 | 2050296903 | Lions Den Athletic Group (28) | 01/13/25 |
| Ka'Miyah | Wynkoop | F | Sacramento | 9 | 2050321895 | Sacramento Speed Factory (56) | 06/05/25 |
| Jason | Xia | M | Pleasanton | 12 | 2050020106 | Mount Diablo Heat (75) | 04/27/25 |
| Arihan | Yadav | M | San Ramon | 17 | 2050193359 | Grizzly Track Club (61) | 12/31/24 |
| Brendan B | Yakulis | M | San Ramon | 14 | 2050196583 | Mount Diablo Heat (75) | 12/31/24 |
| Rio | Yamada | M | Redwood City | 14 | 2050082382 | Menlo iGreyhounds TC (39) | 01/02/25 |
| Tate M | Yamashita | M | Pleasanton | 13 | 2050054669 | Mount Diablo Heat (75) | 01/03/25 |
| Hannah | Yan | F | Fremont | 13 | 2050299982 | Woodside Wildebeests (50) | 02/09/25 |
| Vaishali | Yanaparti | F | Folsom | 15 | 2050303716 | | 03/11/25 |
| Adeline | Yang | F | Brentwood | 9 | 2050311761 | 5 NORTH (60) | 05/09/25 |
| Julie | Yang | F | Palo Alto | 16 | 2050071929 | Umoja Track Club (71) | 01/24/25 |
| Katelynn | Yao | F | Walnut Creek | 17 | 2050327563 | Knight Flyers (29) | 06/17/25 |
| Mannie | Yao | F | Atherton | 11 | 2050333226 | Peninsula Flyers (6) | 09/18/25 |
| Ayla | Yarnall | F | Redwood City | 14 | 2050332445 | Woodside Wildebeests (50) | 09/01/25 |
| Meera | Yashvant | F | San Ramon | 10 | 2050330437 | 2ndWind Athletics (47) | 07/21/25 |
| Max J. | Yasin | M | San Jose | 16 | 2050319444 | Luath Track & Field Club (30) | 06/01/25 |
| Christopher | Yee | M | San Ramon | 14 | 2050306284 | 2ndWind Athletics (47) | 04/01/25 |
| Irene | Yee | F | San Ramon | 15 | 2050293863 | Grizzly Track Club (61) | 12/10/24 |
| Vedant | Yelluru | M | San Ramon | 15 | 2050294177 | California Grizzlies (163) | 12/13/24 |
| Micaiah | Yonas | F | Oakland | 9 | 2050293936 | East Bay Heat Track Club (56) | 12/10/24 |
| Brandon | Yoo | M | Danville | 15 | 2050300473 | Diablo Valley Track & Field (197) | 02/14/25 |
| Ryan M | Yoo | M | San Ramon | 15 | 2050293746 | Grizzly Track Club (61) | 12/09/24 |
| Grace E | York | F | Walnut Creek | 15 | 2050083893 | Diablo Valley Track & Field (197) | 03/03/25 |
| Logan | Yoshida | M | Fremont | 12 | 2050264304 | Mission Valley Track & Field Club (169) | 12/31/24 |
| Theodore | Yott | M | Walnut Creek | 14 | 2050325058 | Knight Flyers (29) | 06/11/25 |
| Hakeem | Young | M | Richmond | 15 | 1608903736 | East Bay Elite Track Club (31) | 05/02/25 |
| Joaquin | Young | M | Walnut Creek | 14 | 2050285004 | Diablo Valley Track & Field (197) | 02/12/25 |
| Kyree | Young | M | Sacramento | 12 | 2050324596 | Playmakers Elite (18) | 06/10/25 |
| Lachlan | Young | M | Danville | 6 | 2050332497 | California Grizzlies (163) | 09/02/25 |
| Easton | Young-Perez | M | San Ramon | 15 | 2050313329 | California Grizzlies (163) | 05/16/25 |
| Amar’e | Youngblood | M | Oakland | 11 | 2050296136 | Oakland Cubs (103) | 01/07/25 |
| Tatiana | Youngblood | F | Elk Grove | 16 | 2050072492 | | 06/17/23 |
| Zahara | Youngblood | F | Oakland | 9 | 2050234874 | Oakland Cubs (103) | 01/07/25 |
| Taeb | Youssef | M | Woodland | 11 | 2050331564 | Davis Community Track & Field Club (41) | 08/13/25 |
| Avishai | Yu | M | Castro Valley | 15 | 2050237443 | California Grizzlies (163) | 12/31/24 |
| Nicholas | Yu | M | San Ramon | 16 | 2050293969 | Grizzly Track Club (61) | 12/11/24 |
| Carson | Yuan | M | Fremont | 10 | 2050331284 | California Grizzlies (163) | 08/07/25 |
| Patrick | Yuan | M | Fremont | 10 | 2050331285 | California Grizzlies (163) | 08/07/25 |
| Thea | Yuan | F | Cupertino | 8 | 2050286278 | California Grizzlies (163) | 12/31/24 |
| James | Yue | M | Palo Alto | 17 | 2050039447 | Menlo iGreyhounds TC (39) | 12/16/24 |
| Bryant | Yuen | M | San Francisco | 13 | 2050300182 | Team Onalysis (71) | 02/11/25 |
| Siena | Zaid | F | Sacramento | 7 | 2050295290 | Sac-Town Coyotes (24) | 12/31/24 |
| Talia | Zaid | F | Sacramento | 10 | 2050211251 | Sac-Town Coyotes (24) | 12/31/24 |
| Yael | Zaid | F | Sacramento | 12 | 2050211252 | Sac-Town Coyotes (24) | 12/31/24 |
| Zachary K | Zambo | M | ARROYO GRANDE | 14 | 2050303220 | Central Coast Peregrines Track Club (140) | 03/08/25 |
| Kassian G | Zanon | M | Pleasanton | 15 | 2050314517 | Falcon Track Club (109) | 05/20/25 |
| Amelia | Zaragoza | F | Lincoln | 11 | 2050309993 | Azteca FC (32) | 04/29/25 |
| Catherine | Zaretzki | F | Los Altos | 16 | 2050316186 | | 05/26/25 |
| Rodrigo | Zavala | M | Greenfield | 16 | 2050310892 | Central Coast Track Club (108) | 05/04/25 |
| Tegan A | Zavala | F | Castro Valley | 12 | 2050196921 | Oakland PAL (273) | 12/31/24 |
| Riley Z | Zavatson | F | Davis | 14 | 2050320543 | Delta Hawks (15) | 06/03/25 |
| Isaiah C | Zeff | M | Modesto | 14 | 2050049982 | Central Valley Roadrunners (90) | 12/31/24 |
| Margot A | Zemke | F | Elk Grove | 16 | 2050270902 | Trailblazers Track Club (67) | 05/16/25 |
| Katherine | Zendejas | F | Woodland | 13 | 2050321894 | Sacramento Speed Factory (56) | 06/05/25 |
| MAC | ZHANG | M | Mountain View | 15 | 2050266175 | Menlo iGreyhounds TC (39) | 12/31/24 |
| Ruolin | Zhang | F | Santa Clara | 9 | 2050331292 | California Grizzlies (163) | 08/07/25 |
| SIERRA | ZHANG | F | los altos | 8 | 2050291735 | California Grizzlies (163) | 11/13/24 |
| Yiming V | Zhang | M | Saratoga | 10 | 2050287070 | California Grizzlies (163) | 08/26/25 |
| Amy | Zhao | F | Dublin | 16 | 2050309758 | Falcon Track Club (109) | 04/28/25 |
| Anna | Zheng | F | Milpitas | 12 | 2050253399 | Umoja Track Club (71) | 03/12/25 |
| Jiayan | Zhu | M | Elk Grove | 13 | 2050318980 | Trailblazers Track Club (67) | 05/31/25 |
| Kaifeng | Zhu | M | Palo Alto | 14 | 2050301200 | Xing Huina Running Club (6) | 02/22/25 |
| Brady | Zimmerman | M | Arroyo Grande | 10 | 2050303420 | Central Coast Peregrines Track Club (140) | 03/10/25 |
| Nina | Zimmerman | F | Sacramento | 11 | 2050304743 | Sac-Town Coyotes (24) | 03/20/25 |
| Sophia | Zong | F | Pleasanton | 15 | 2050330825 | Falcon Track Club (109) | 07/29/25 |
| Ben | Zuber | M | San jose | 15 | 2050328081 | Luath Track & Field Club (30) | 06/19/25 |
| Maya | Zunt | F | CYPRESS | 14 | 2050235341 | | 02/12/25 |
| Grace | Zylstra | F | SACRAMENTO | 14 | 2050293239 | Sacramento Valley Endurance (72) | 12/02/24 |