| Tim B | Knudsen | M | Mill Valley | 51 | 2050234818 | San Francisco Running Company Racing Team? | 01/02/26 |
| Konrad J | Knutsen | M | El Dorado Hills | 50 | 1601957440 | West Valley Track Club (193) | 01/01/26 |
| Kiersten | Ko | F | Elk Grove | 12 | 2050340233 | William Land Elementary (47) | 12/05/25 |
| Koby | Kobayashi | M | Rocklin | 16 | 2050359355 | Wildcat Elite Track Club (66) | 05/13/26 |
| June | Kobrin | F | Stockton | 16 | 2050311984 | Golden State Throwers (21) | 01/01/26 |
| Sophia Y | Kobrin | F | Stockton | 47 | 2050345123 | | 01/27/26 |
| Joel | Koch | M | Santa Cruz | 72 | 1905226005 | | 12/31/25 |
| Shiran | Kochavi | M | Oakland | 57 | 1906398654 | Pamakids (162) | 01/01/26 |
| SANUKI H | KODAGODA | F | Fremont | 12 | 2050223502 | Mission Valley Track & Field Club (258) | 02/02/26 |
| Diya | kodali | F | San Ramon | 11 | 2050285768 | 2ndWind Athletics (30) | 01/01/26 |
| Hayes A | Koenig | M | Cayucos | 11 | 2050303059 | Ride High Athletics (15) | 01/10/26 |
| Leslie Joe | Koenig III | M | Cayucos | 16 | 2050253327 | Ride High Athletics (15) | 01/03/26 |
| Caroline | Koenigs | F | San Ramon | 14 | 2050362412 | California Grizzlies (41) | 05/22/26 |
| Ella | Koepsell | F | Berkeley | 16 | 2050241467 | | 04/03/26 |
| travis | koh | M | San Jose | 41 | 2050253805 | West Valley Joggers & Striders (50) | 01/02/26 |
| Venu | Kolavennu | M | San Francisco | 46 | 2050306209 | Pamakids (162) | 04/02/26 |
| Ben | Kolber | M | Lodi | 45 | 2050326726 | Lodi Tigers Track & Field Club? | 01/02/26 |
| Sadie | Kolber | F | Lodi | 16 | 2050377864 | San Joaquin Vaulters Club (13) | 08/25/26 |
| Simon O | Kolber | M | Lodi | 18 | 2050324332 | Lodi Tigers Track & Field Club? | 12/31/25 |
| Lilliana | Kollhoff | F | Templeton | 12 | 2050299069 | SLO Town Track Club (29) | 04/03/26 |
| Peter | Kolotouros | M | Woodside | 58 | 1608819197 | Woodside Wildebeests (46) | 01/01/26 |
| Akul | Kommuru | M | San Jose | 10 | 2050369003 | Luath Track & Field Club (22) | 06/06/26 |
| Riha | Kommuru | F | San Jose | 8 | 2050369004 | Luath Track & Field Club (22) | 06/06/26 |
| Hank H | Konen | M | Reno | 79 | 1508301338 | | 01/03/26 |
| Woody | Kongsamut | M | Oakland | 35 | 1406860286 | Strawberry Canyon Track Club (38) | 01/26/26 |
| Daniel Y | Kono | M | San Rafael | 57 | 1719769034 | Tamalpa Runners, Inc. (75) | 01/01/26 |
| Hensley | Kooger | F | Lodi | 8 | 2050353393 | Lodi Track Club (181) | 04/06/26 |
| Holland | Kooger | F | Lodi | 9 | 2050353394 | Lodi Track Club (181) | 04/06/26 |
| Steven | Kool | M | Sunnyvale | 31 | 1802702850 | Wolfpack Running Club (56) | 01/01/26 |
| Charles A | Koontz | M | Santa cruz | 51 | 1920851902 | Santa Cruz Track Club (51) | 01/01/26 |
| Collin J | Kopchik | M | Oakland | 20 | 2050354470 | | 04/14/26 |
| Rob | Koplowitz | M | Oakland | 66 | 2050085653 | | 01/01/26 |
| Saanvi | Koppolu | F | San Ramon | 15 | 2050300761 | California Grizzlies (41) | 05/31/26 |
| Chris | Koris | M | Elk Grove | 68 | 2050331113 | River City Rebels (33) | 04/04/26 |
| Jules | Korman | M | Piedmont | 30 | 1608784813 | | 07/01/26 |
| Gustaw | Kornuta | M | San Jose | 13 | 2050373443 | Umoja Track Club (72) | 06/18/26 |
| Ananya Rao | Korukanti | F | Saratoga | 13 | 2050333714 | | 01/04/26 |
| Graham | Kosiba | M | Oakland | 35 | 2050234059 | Oakland Track Club (13) | 07/20/26 |
| Olivia | Kosinski | F | Rocklin | 12 | 2050369860 | Wildcat Elite Track Club (66) | 06/08/26 |
| Ben | koss | M | Berkeley | 46 | 2050035620 | West Valley Track Club (193) | 12/31/25 |
| Megan | Kossar | F | San Francisco | 55 | 1406443125 | Impala Racing Team (158) | 01/01/26 |
| Scott D | Kostka | M | Auburn | 63 | 1404737536 | | 12/31/24 |
| Rohan | Kotamraju | M | Danville | 17 | 2050266513 | Bay Area Track & Field Club (15) | 01/01/26 |
| sanjana | kotaru | F | San Ramon | 16 | 2050324082 | Falcon Track Club (96) | 06/22/26 |
| Charlie | Kothenbeutel | M | Newman | 37 | 2050366513 | | 06/01/26 |
| Andrew I | Kotko | M | Sacramento | 48 | 2050232328 | | 01/02/26 |
| Nick | Kovaleski | M | Burlingame | 36 | 1820315396 | A Runner's Mind (3) | 01/01/26 |
| Kinga | Kowalska | F | San Jose | 9 | 2050338282 | Run Club Menlo Park (72) | 11/11/25 |
| Alexander E. | Kramer | M | Calpella | 46 | 2050263085 | | 01/02/26 |
| Mike | Kreaden | M | Sunnyvale | 63 | 2050083669 | Stevens Creek Striders (3) | 01/01/26 |
| John E | Kretschmann | M | Folsom | 30 | 1920412036 | SRA Elite (104) | 01/01/26 |
| Susan A | Kreusch | F | San Rafael | 63 | 1406907798 | Tamalpa Runners, Inc. (75) | 01/01/26 |
| Mike | Krey | M | Campbell | 71 | 1404717033 | West Valley Joggers & Striders (50) | 01/01/26 |
| Becki K | Kriege | F | San Jose | 59 | 1400805022 | West Valley Joggers & Striders (50) | 01/01/26 |
| Mattea T | Kriner | F | Santa Rosa | 17 | 2050339030 | NorCal Elite Track & Field Club LLC (60) | 11/19/25 |
| Aadya | Krishna | F | Los Altos Hills | 11 | 2050262570 | | 03/29/26 |
| Atharv | Krishna | M | Los Altos Hills | 14 | 2050262569 | | 03/29/26 |
| Ahkari | Krishtel | M | Piedmont | 8 | 2050299992 | Oakland Cubs (88) | 02/28/26 |
| Kurt A | krisman | M | Aptos | 61 | 2050373425 | Wolfpack Running Club (56) | 06/18/26 |
| Ken | Krogsrud | M | Auburn | 39 | 2050199117 | | 01/02/26 |
| Nell I | Krombholz | F | Santa Rosa | 18 | 2050284895 | NorCal Elite Track & Field Club LLC (60) | 01/07/26 |
| Andrew J | Krone | M | San Rafael | 48 | 1820069282 | Tamalpa Runners, Inc. (75) | 01/02/26 |
| Scott W | Kruetzfeldt | M | Santa Rosa | 26 | 1508152947 | Aggie Running Club (116) | 02/13/26 |
| Amaya | Krumeich | F | Escalon | 11 | 2050207550 | Central Valley Roadrunners (117) | 03/04/26 |
| elias | krumeich | M | Escalon | 13 | 2050249025 | Central Valley Roadrunners (117) | 03/04/26 |
| Erica | Krumeich | F | Escalon | 39 | 2050203982 | Central Valley Roadrunners (117) | 01/01/26 |
| isaiah | krumeich | M | Escalon | 10 | 2050250457 | Central Valley Roadrunners (117) | 03/04/26 |
| julius | krumeich | M | Escalon | 8 | 2050250458 | Central Valley Roadrunners (117) | 03/04/26 |
| Bradley | Ku | M | Albany | 11 | 2050357904 | Raptors (37) | 05/06/26 |
| Emily | Kuang Jr. | F | sacramento | 11 | 2050340491 | William Land Elementary (47) | 12/09/25 |
| Emily | Kuang | F | Elk Grove | 11 | 2050340686 | William Land Elementary (47) | 12/11/25 |
| Hiroyuki | Kubo | M | Sunnyvale | 50 | 2050243671 | Quicksilver Running Club of San Jose (63) | 01/01/26 |
| Nithya | Kuchibotla | F | San Ramon | 16 | 2050258258 | | 06/04/26 |
| Mara | Kuchnicki | F | Carson City | 16 | 2050343208 | Raise the Bar Pole Vault Club (32) | 01/10/26 |
| Oliver | Kugler | M | Menlo Park | 10 | 2050286862 | Run Club Menlo Park (72) | 11/11/25 |
| Advit A | Kulkarni | M | Sunnyvale | 13 | 2050373444 | Umoja Track Club (72) | 06/18/26 |
| Shail | kulkarni | M | San Francisco | 18 | 2050254717 | | 01/03/26 |
| Jerry | Kulper | M | Salinas | 64 | 2050339168 | | 11/21/25 |
| Agastya K | Kuluvalli | M | Pleasanton | 17 | 2050278188 | Falcon Track Club (96) | 06/16/26 |
| Arshiya | Kumar | F | San Jose | 14 | 2050015492 | Umoja Track Club (72) | 06/18/26 |
| Riaan | Kumar | M | Pleasanton | 11 | 2050233864 | Mount Diablo Heat (55) | 06/05/26 |
| Rudransh | Kumar | M | San Jose | 12 | 2050015490 | Umoja Track Club (72) | 06/23/26 |
| Visesh | Kumar | M | San Jose | 7 | 2050373437 | Umoja Track Club (72) | 06/18/26 |
| Viyan | Kumar | M | San Jose | 11 | 2050279526 | Umoja Track Club (72) | 06/18/26 |
| Lingesh | Kumar Lexmisree | M | Manteca | 16 | 2050287055 | | 06/09/26 |
| Rithaman | Kumar Lexmisree | M | Manteca | 8 | 2050287054 | 5 NORTH (78) | 03/04/26 |
| Aadvik | Kummetha | M | Fremont | 10 | 2050338991 | Mission Valley Track & Field Club (258) | 11/19/25 |
| Thanish | Kummetha | M | Fremont | 6 | 2050339073 | Mission Valley Track & Field Club (258) | 11/20/25 |
| Niya | Kundiyana | F | Hughson | 16 | 2050341736 | | 12/29/25 |
| Remi | Kunkel | F | San Francisco | 13 | 2050346267 | Team Onalysis (56) | 02/06/26 |
| Martin A | Kunz | M | Alameda | 62 | 1508698139 | Lake Merritt Run Club (98) | 03/16/26 |
| Kelsey | Kuo | F | Rocklin | 16 | 2050361287 | Wildcat Elite Track Club (66) | 05/19/26 |
| Sakura | Kuroda | F | Walnut Creek | 16 | 2050328847 | Cougar Vault (26) | 01/09/26 |
| Khia E | Kurtenbach | F | San Jose | 30 | 2050047125 | West Valley Track Club (193) | 02/08/26 |
| Anna K | Kurtz | F | Alby | 45 | 1404057984 | Pamakids (162) | 01/01/26 |
| Jordan | Kurtz | M | Vacaville | 30 | 2050082989 | SRA Elite (104) | 01/01/26 |
| Jotaro | Kusano | M | Santa Rosa | 16 | 1609302680 | NorCal Elite Track & Field Club LLC (60) | 01/01/26 |
| Clark | Kustin | M | Sacramento | 18 | 2050316814 | Rancho Cordova Track Club (RCTC) (120) | 03/27/26 |
| Jesper | Kvaerno | M | Pleasanton | 54 | 2021075235 | Lake Merritt Run Club (98) | 07/03/26 |
| Chloe H | Kwok | F | Newark | 15 | 2050374238 | Mission Valley Track & Field Club (258) | 06/22/26 |
| Hayden | Kwok | M | La Jolla | 21 | 2050225217 | | 02/12/24 |
| Stanley | Kwok | M | FREMONT | 14 | 2050374837 | Mission Valley Track & Field Club (258) | 06/25/26 |
| Cooper | Kwon | M | Danville | 10 | 2050314320 | Mount Diablo Heat (55) | 01/02/26 |
| Daniel W | Kwon | M | Emerald Hills | 46 | 1401393366 | | 01/01/26 |
| Kaden | Kwon | M | San Francisco | 11 | 2050342951 | Team Onalysis (56) | 01/08/26 |
| Parker | Kwon | M | Danville | 13 | 2050189548 | Mount Diablo Heat (55) | 01/02/26 |
| Deanna | Kwong | F | Fremont | 47 | 1920669601 | Pamakids (162) | 01/01/26 |
| Desmond | Kwong | M | Sacramento | 15 | 2050311430 | | 03/31/26 |
| Brooklyn | Kyler | F | Sparks | 16 | 2050291734 | Evoke Elite TC (49) | 01/01/26 |
| Josephine | Kyler | F | Monterey | 13 | 2050292270 | Maneuver Athletics (56) | 12/31/25 |
| Norman | La | M | Berkeley | 44 | 2050250071 | Pamakids (162) | 01/02/26 |
| Hero F | La Rocque | M | Yuba City | 17 | 2050255113 | | 02/01/26 |
| Michelle | La Sala | F | Napa | 45 | 1405887165 | West Valley Track Club (193) | 02/19/26 |
| Dominic J | La Strape | M | Discovery Bay | 12 | 2050077865 | Lions Den Athletic Group (45) | 03/03/26 |
| Lawrence J | La Strape | M | Discovery Bay | 34 | 2050286778 | | 01/07/26 |
| Myles J | La Strape | M | Discovery Bay | 6 | 2050302862 | Lions Den Athletic Group (45) | 03/03/26 |
| Katherina | Laan | F | Mill Valley | 47 | 2050084009 | | 07/10/26 |
| Jocelyn | Labelle | F | Folsom | 33 | 1407982097 | | 04/02/26 |
| Marissa A | LaBelle | F | Eureka | 31 | 1805995725 | | 01/01/26 |
| Brayden | Lac | M | Elk Grove | 11 | 2050340678 | William Land Elementary (47) | 12/11/25 |
| Livia | Lac | F | Elk Grove | 7 | 2050340679 | William Land Elementary (47) | 12/11/25 |
| Kennedy | Lacaze - Wharton | F | Oakland | 7 | 2050345290 | Oakland Cubs (88) | 01/28/26 |
| Scott | Lacrosse | M | El Dorado | 63 | 2050207289 | SRA Elite (104) | 01/02/26 |
| Ingrid E | Lacy | F | CASTRO VALLEY | 36 | 2050038871 | Wolfpack Running Club (56) | 01/01/26 |
| Vedang | Lad | M | Mountain View | 25 | 1719565499 | Peninsula Distance Club (62) | 01/01/26 |
| Chris | LaFazia | M | Roseville | 65 | 2050377552 | | 08/17/26 |
| Steve | Lafler | M | Santa Rosa | 69 | 2050331746 | Empire Runners Club of Sonoma County (51) | 07/30/26 |
| Lizz | Lagomarsino | F | Sacramento | 59 | 2050054575 | | 01/01/26 |
| Omkaar | Lahiri Sr. | M | Los Altos | 16 | 2050366727 | SF Striders Youth Track (59) | 06/01/26 |
| Stephanie | Lain | F | Santa Cruz | 56 | 1407463940 | Joy's Jackrabbits Track Club (84) | 01/01/26 |
| Sophia | Laird | F | Modesto | 14 | 2050298471 | Central Valley Roadrunners (117) | 01/13/26 |
| Adeline | Lake-Short | F | Oakland | 11 | 2050037923 | Oakland Cubs (88) | 01/01/26 |
| Carter | Lalanne | M | Greenbrae | 14 | 2050306745 | | 05/18/26 |
| Maya | Lalis | F | Danville | 14 | 2050371833 | Grizzly Track Club (84) | 06/12/26 |
| Vahin | Lalithraj | M | Danville | 13 | 2050248472 | 2ndWind Athletics (30) | 01/01/26 |
| Reid G | Lalli | M | Orinda | 20 | 2050309934 | | 01/02/26 |
| Glen J | Lally | M | Pleasanton | 46 | 2050242024 | | 01/02/26 |
| Glenn V | Lally | M | Pleasanton | 15 | 1920512330 | Falcon Track Club (96) | 01/02/26 |
| Anson | Lam | M | San Jose | 40 | 2050376616 | West Valley Track Club (193) | 07/23/26 |
| Chewey Bill K | Lam | M | San Francisco | 46 | 2050010248 | Pamakids (162) | 04/03/26 |
| Jesse | lam | M | Sacramento | 11 | 2050340458 | William Land Elementary (47) | 12/08/25 |
| Monica | Lam | F | Berkeley | 53 | 2050293633 | Lake Merritt Run Club (98) | 05/08/26 |
| Matthew | LaMarca | M | Rancho Cordova | 18 | 2050042110 | Golden State Throwers (21) | 01/01/26 |
| Nancy M | Lambert | F | Oakland | 48 | 1402142697 | Team Onalysis (56) | 01/01/26 |
| Haven | Lambrite-Dodge | F | Fair Oaks | 27 | 2050352631 | SRA Elite (104) | 03/31/26 |
| Christine | Lampe | F | San Francisco | 39 | 2050007009 | Impala Racing Team (158) | 01/26/26 |
| Markus | Lampinen | M | San Francisco | 40 | 2050240081 | West Valley Track Club (193) | 01/02/26 |
| Ramone | Lampkin | M | oakley | 14 | 2050364062 | Run Hard University (34) | 05/27/26 |
| Bobby | Landgraf | M | Middletown | 26 | 2050370758 | | 06/10/26 |
| Kaylee | Landis | F | Reno | 17 | 2050338216 | N-Spire Track and Field Club (NTFC) (18) | 11/11/25 |
| Richard M | Landrum | M | Roseville | 52 | 2050162903 | Buffalo Chips Running Club (42) | 08/12/26 |
| Bo | Landry | M | Eureka | 17 | 2050366038 | North Coast Elite Track Club (4) | 05/31/26 |
| Lyla S | Landy | F | South Lake Tahoe | 18 | 2050343248 | | 01/10/26 |
| Gregory H | Lane | M | Spreckels | 56 | 1404447144 | Central Coast Track Club (117) | 01/01/26 |
| Hannah I | Lane | F | Rancho Cordova | 15 | 2050030687 | Rancho Cordova Track Club (RCTC) (120) | 06/04/26 |
| Lux | Lane | F | Oakland | 9 | 2050358186 | East Oakland Track Group (EOTG) (47) | 05/07/26 |
| Nicole | Lane | F | Rancho Cordova | 32 | 2050037339 | SRA Elite (104) | 01/02/26 |
| Bob | Lang | M | Bend | 62 | 2050038385 | Sierra Gold (38) | 01/01/26 |
| Dylan | Lange | M | El dorado hills | 15 | 2050353356 | | 04/06/26 |
| Parker J | Lange | M | EL DORADO HILLS | 15 | 2050323056 | MindoverMatter Elite (3) | 06/15/26 |
| Oliver G | Langford | M | Fremont | 39 | 1819900844 | Peninsula Distance Club (62) | 01/01/26 |
| Davis | Langheier | M | San Francisco | 12 | 2050346354 | Team Onalysis (56) | 02/08/26 |
| Zohar Yonatan | Laniado | M | San Francisco | 14 | 2050346782 | Team Onalysis (56) | 02/12/26 |
| Meredith | Lansdown | F | Pinole | 44 | 1609269954 | Strawberry Canyon Track Club (38) | 01/01/26 |
| Jennifer A | Laret | F | Rancho Cordova | 46 | 2050236700 | Rancho Cordova Track Club (RCTC) (120) | 01/02/26 |
| Raeganne M | Laret | F | RANCHO CORDOVA | 12 | 2050029045 | Rancho Cordova Track Club (RCTC) (120) | 02/02/26 |
| Lauren A | LaRocco | F | Sacramento | 30 | 1609246549 | SRA Elite (104) | 01/01/26 |
| Lauren | LaRoche | F | San Rafael | 45 | 2050375851 | | 07/11/26 |
| Ori | Laron | M | San Ramon | 15 | 2050212107 | Grizzly Track Club (84) | 01/01/26 |
| Irene | Larriba Herranz | F | San Francisco | 31 | 2050335931 | Pamakids (162) | 11/01/25 |
| Crosby | Larsen | M | Sacramento | 9 | 2050348162 | Sac-Town Coyotes (35) | 02/25/26 |
| Kai | Larson | M | Sunnyvale | 9 | 2050346618 | Umoja Track Club (72) | 02/10/26 |
| Jace | Lasater | M | MODESTO | 17 | 2050314619 | | 06/18/26 |
| Jett | Lash | M | Tracy | 14 | 2050359180 | 5 NORTH (78) | 05/12/26 |
| Sophie | Lashkarian | F | Pleasanton | 16 | 2050324115 | Falcon Track Club (96) | 06/08/26 |
| Edward S | Lasquete | M | San Jose | 54 | 1608891758 | | 01/01/26 |
| Kevin R | LaSure | M | Alameda | 44 | 1905475248 | | 01/01/26 |
| Carolyn | Latham | F | San Rafael | 39 | 2050079695 | SF Run Co Racing Team (4) | 01/01/27 |
| Jack | Latham | M | Dixon | 16 | 2050339109 | | 11/20/25 |
| Dave | Latner | M | San Francisco | 69 | 1608881734 | Pamakids (162) | 01/24/26 |
| Sam | Latu | M | Mountain View | 17 | 2050341230 | Max Velocity Prep (72) | 12/19/25 |
| Violet | Lau-Cain | F | San Jose | 14 | 2050369143 | | 06/06/26 |
| Connor J | Laughlin | M | San Mateo | 29 | 1508581517 | | 12/31/24 |
| Liam B | Laughlin | M | San Mateo | 25 | 2050012743 | | 12/31/24 |
| Sean M | Laughlin | M | San Mateo | 62 | 1400282826 | | 01/01/26 |
| linda | lauper polk | F | CLEMENTS | 58 | 2050016821 | The Quicksilver Comets (5) | 01/02/26 |
| Drew | Laurie | M | Salinas | 15 | 2050036732 | Central Coast Track Club (117) | 05/25/26 |
| rowan w | lauriks-schnapp | M | oakland | 12 | 2050234426 | Oakland Cubs (88) | 02/28/26 |
| Vivian S | Lauriks-Schnapp | F | oakland | 12 | 2050081952 | Oakland Cubs (88) | 02/28/26 |
| William A | LaVallee | M | San Jose | 85 | 1405453968 | Bay Area Track & Field Club (15) | 01/01/26 |
| Orlando G | Lavarreda | M | Novato | 16 | 2050374160 | North Bay Track Club (15) | 06/22/26 |
| Travis | Lavin | M | Reno | 38 | 2050011159 | | 01/02/26 |
| Anya | Lavrinets | F | Moraga | 13 | 2050348869 | Oakland Cubs (88) | 03/02/26 |
| Alaina | Lawrence | F | Lafayette | 15 | 2050371613 | Cougar Vault (26) | 06/12/26 |
| Bradley W | Lawrence | M | Foster City | 37 | 9611421038 | | 01/01/26 |
| BRANDON E | LAWRENCE | M | San Luis Obispo | 31 | 2001345574 | | 01/01/26 |
| David | Lawrence Jr. | M | Sacramento | 54 | 1405857937 | | 01/13/26 |
| Ian | Lawrence | M | San Francisco | 25 | 2050246657 | West Valley Track Club (193) | 01/19/26 |
| Jacob | Lawrence | M | los osos | 24 | 2050323177 | Aggie Running Club (116) | 01/05/26 |
| Michael | Lawryk | M | Sunnyvale | 63 | 1403216102 | | 01/01/26 |