Half marathons in California
356 upcoming half marathons in California, with dates and field depth before you enter.
By city
Long Beach (102)Los Angeles (83)San Diego (79)San Francisco (54)Sacramento (47)Fresno (25)San Jose (21)Bakersfield (19)Huntington Beach (17)Irvine (15)Granite Bay (14)Ventura (12)Anaheim (11)Perris (10)Temecula (10)Canoga Park (9)Santa Clarita (9)Santa Monica (9)Stockton (9)Clovis (8)Oakland (8)Auburn (7)Castro Valley (7)Escondido (7)Palm Springs (7)Santa Rosa (7)South El Monte (7)Alameda (6)Modesto (6)Redding (6)Riverside (6)Visalia (6)Avalon (5)Chico (5)San Mateo (5)Sausalito (5)Silverado (5)
October 2026
- Fri, Oct 30DIA DE LOS MUERTOS HALF MARATHON & 5K RUN/WALK (BAKERSFIELD)Bakersfield5KHalf marathon
- Sat, Oct 31Happy Halloween Half MarathonLong BeachHalf marathon
- Sat, Oct 31The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Sat, Oct 31Halloween Trick or Trot Run 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Oct 31Halloween Trick or Trot Run 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Oct 31Halloween Trick or Trot Run 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Oct 31Halloween Trick or Trot Run 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Oct 31PB&J Fuel Run 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Oct 31PB&J Fuel Run 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Oct 31PB&J Fuel Run 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Oct 31PB&J Fuel Run 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Oct 31ZombieRunner Halloween (Sold Out!)San Jose5K10KHalf marathonMarathon Competitive
November 2026
- Sun, Nov 1Golden Gate Half MarathonSan FranciscoHalf marathon Local
- Sun, Nov 1Luz y Vida Half MarathonRiversideHalf marathon
- Sun, Nov 1Viva la Vida - Day of the Dead 5K, 10K, and Half MarathonLong BeachHalf marathon
- Sun, Nov 1Two Cities MarathonFresno5K10KHalf marathonMarathon Local
- Sun, Nov 1Halloween Leftovers – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon
- Sun, Nov 1Clarksburg Country RunClarksburg5K10KHalf marathon
- Sun, Nov 1Día de Muertos - Viva la Vida - 5K, 10K, and Half Marathon by Califlow RunsLong beach5K10KHalf marathon
- Sat, Nov 7Joshua Tree Half MarathonJoshua TreeHalf marathon
- Sat, Nov 7Mt. Tam Trail RunStinson Beach10KHalf marathon
- Sat, Nov 7RunThrough San Francisco at Crissy Field 5k, 10k & Half MarathonSan Francisco5K10KHalf marathon
- Sat, Nov 7Lake Chabot Trail RunCastro Valley5KHalf marathonMarathon
- Sat, Nov 7Beer City Half™ OCSanta Ana5K10KHalf marathon Local
- Sun, Nov 8Monterey Bay Half MarathonMontereyHalf marathon
- Sun, Nov 8Runacopia Half MarathonLong BeachHalf marathon
- Sun, Nov 8Santa Barbara Half Marathon & 5KSanta BarbaraHalf marathon
- Sun, Nov 8Donut Runners Rejoice – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon
- Sun, Nov 8Silver Strand Veterans Day Half Marathon, 10 Miler, 12K & 5K - San DiegoCoronado5KHalf marathon
- Sun, Nov 8Temecula Half, 10K, 5K and Kids RunTemecula5K10KHalf marathon
- Sun, Nov 8Temecula Half Marathon, 10K, 5KTemecula5K10KHalf marathon
- Fri, Nov 132026 Southwest Series - Day 6 (CA)Nipton5K10KHalf marathonMarathon
- Fri, Nov 13Friday the 13th Night Race -Deranged Turkey Trot: 5K. 10K. Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Sat, Nov 14Berkeley Half MarathonBerkeleyHalf marathon Competitive
- Sat, Nov 14Catalina Island Half MarathonAvalonHalf marathon
- Sat, Nov 14Huffin for the Stuffin 5K, 10K, and Half MarathonLong BeachHalf marathon Competitive
- Sat, Nov 14Merced Half MarathonMercedHalf marathon
- Sat, Nov 14Thrive Half Marathon & 5KSan DiegoHalf marathon
- Sat, Nov 14Trailsgiving Half MarathonLos AngelesHalf marathon
- Sat, Nov 14Huffin for the Stuffin- Turkey Trot 5K, 10K, & Half MarathonLong Beach5K10KHalf marathon Local
- Sat, Nov 14Thrive San Diego Half Marathon & 5KSan Diego5KHalf marathon Local
- Sat, Nov 14Run for Mental Health 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Nov 14Run for Mental Health 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Nov 14Run for Mental Health 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Nov 14Run for Mental Health 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Nov 14Veterans Day Freedom Run 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Nov 14Veterans Day Freedom Run 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Nov 14Veterans Day Freedom Run 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Nov 14Veterans Day Freedom Run 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Nov 14The Stuffing Shuffle – 5K, 10K, Half MarathonFountain Valley5K10KHalf marathon
- Sat, Nov 14Catalina Island Half-Marathon & 10KAvalon10KHalf marathon
- Sat, Nov 14ZombieRunner Quarry LakesFremont5K10KHalf marathon Competitive
- Sun, Nov 15Apple Hill Half MarathonCaminoHalf marathon
- Sun, Nov 15Berkeley Half MarathonBerkeleyHalf marathon Competitive
- Sun, Nov 15Friendsgiving 5k, 10k, 15k, Half MarathonSouth El Monte5K10KHalf marathon
- Sat, Nov 21Giving Thanks Half MarathonLong BeachHalf marathon
- Sat, Nov 21Harvest Hustle – 5K, 10K, Half MarathonLake View Terrace5K10KHalf marathon Local
- Sat, Nov 21Davis Turkey TrotDavis5K10KHalf marathon
- Sun, Nov 22Friendsgiving: Turkey Trot Half MarathonLong BeachHalf marathon
- Sun, Nov 22Furgiving Run: Turkey Trot 5K, 10K, Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Thu, Nov 26Turkey Trot 5k, 10k, 15k, Half MarathonVan Nuys5K10KHalf marathon
- Thu, Nov 26Zoom Turkey TrotSan Jose5K10KHalf marathon Competitive
- Fri, Nov 27Turkey Trot (Friday) 5k, 10k, 15k, Half Marathonlong beach5K10KHalf marathon
- Sat, Nov 28Mash + Dash – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon
- Sat, Nov 28Coffee Lovers Run 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Nov 28Coffee Lovers Run 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Nov 28Coffee Lovers Run 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Nov 28Coffee Lovers Run 5K/10K/13.1 SAN FRANCISCOSan Mateo5K10KHalf marathon
- Sat, Nov 28Thanksgiving Gobble Trot Run 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Nov 28Thanksgiving Gobble Trot Run 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Nov 28Thanksgiving Gobble Trot Run 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Nov 28Thanksgiving Gobble Trot Run 5K/10K/13.1 SAN FRANCISCOSan Mateo5K10KHalf marathon
- Sat, Nov 28Quarry TurkeyFremont5K10KHalf marathon Local
- Sat, Nov 28Turkey Trot (Saturday) 5k, 10k, 15k, Half MarathonAnaheim5K10KHalf marathon
- Sun, Nov 29Turkey Trot Sunday Half MarathonIrvineHalf marathon
December 2026
- Sat, Dec 5Seasons Greetings Half MarathonLong BeachHalf marathon
- Sat, Dec 5Peacock Gap Trail RunSan Rafael10KHalf marathon
- Sun, Dec 6Merry Miles 5K, 10K, and Half MarathonLong BeachHalf marathon
- Sun, Dec 637th Annual Lopers Club Holiday Classic Half Marathon, 10K, and 5KLoma Linda5K10KHalf marathon Local
- Sun, Dec 6Jingle Bell Jog – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon
- Sun, Dec 6Merry Miles- 5K, 10K, and Half Marathon by Califlow RunsLong Beach5K10KHalf marathon Competitive
- Sun, Dec 6Jingle Bell Dash Kids Dash, 5K, 10K and Half Marathon & Santa Paws Doggie RunHuntington Beach5K10KHalf marathon
- Sun, Dec 6Jingle Bell 5k, 10k, 15k, Half MarathonValencia5K10KHalf marathon
- Sat, Dec 12Hark the Herald Angels Half MarathonTiburonHalf marathon
- Sat, Dec 12Holiday Fun Half MarathonVan NuysHalf marathon
- Sat, Dec 12Holiday Half MarathonGoletaHalf marathon
- Sat, Dec 12The Improve Every Day Half MarathonSan DiegoHalf marathon
- Sat, Dec 12Pulp Fiction: Royale with Speed 5K, 10K & 13.1Canoga Park5K10KHalf marathon
- Sat, Dec 12Run for Breast Cancer 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Dec 12Run for Breast Cancer 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Dec 12Run for Breast Cancer 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Dec 12Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Dec 12Sunrise Marathon 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Dec 12Sunrise Marathon 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Dec 12Sunrise Marathon 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Dec 12Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Dec 12Summit RockSaratoga5K10KHalf marathon
- Sat, Dec 12Holiday Half Marathon, 10K (6.65 miles), 5K, Fun Run (1 mile)Goleta5K10KHalf marathon Very competitive
- Sun, Dec 13Reindeer Run Riverside Half MarathonRiversideHalf marathon
- Sun, Dec 13Winter Runderland 5K, 10K, & Half MarathonLong BeachHalf marathon
- Sun, Dec 13Santa's Toy Trot – 5K, 10K, Half MarathonSanta Monica5K10KHalf marathon Local
- Sun, Dec 13Winter Runderland 5K, 10K, & Half Marathon. Kids DashLong Beach5K10KHalf marathon Local
- Sun, Dec 13Santa To The Sea 1/2 Marathon, 1/4 Marathon & 5KOxnard5KHalf marathonMarathon
- Sun, Dec 13Santa Hustle RosevilleRoseville5K10KHalf marathon Local
- Sat, Dec 19Feliz Navidad Run 5K 10K Half MarathonLong BeachHalf marathon
- Sat, Dec 19Reindeer Run GP Half MarathonLos AngelesHalf marathon
- Sat, Dec 19Feliz Navidad Run 5K 10K Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Sat, Dec 19San Diego Holiday Half Marathon & 5KSan Diego5KHalf marathon Very competitive
- Sat, Dec 19Winter Whirl – 5K, 10K, Half MarathonFountain Valley5K10KHalf marathon Local
- Sat, Dec 19Woodside RambleWoodside10KHalf marathon
- Sun, Dec 20Chasing Santa 5K, 10K, 10M, and Half MarathonLong BeachHalf marathon
- Sun, Dec 20Holiday Half MarathonLong BeachHalf marathon
- Sun, Dec 20Chasing Santa – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon Competitive
- Sun, Dec 20Reindeer Run LB 5k, 10k, 15k, Half Marathonlong beach5K10KHalf marathon
- Sun, Dec 20Santa’s Reindeer Run - 3rd Annual- 5K, 10K, and Half MarathonHuntington Beach5K10KHalf marathon Local
- Fri, Dec 25Jingle All the Way - Christmas Day 5K, 10K, Half Marathon, Kids Dash by Califlow RunsLong Beach5K10KHalf marathon Local
- Sat, Dec 26Ring Out the Old – 5K, 10K, Half MarathonEncino5K10KHalf marathon Competitive
- Sat, Dec 26A Merry Christmas Run 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Dec 26A Merry Christmas Run 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Dec 26A Merry Christmas Run 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Dec 26A Merry Christmas Run 5K/10K/13.1 SAN FRANCISCOSan Mateo5K10KHalf marathon
- Sat, Dec 26New Year's Run 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Dec 26New Year's Run 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Dec 26New Year's Run 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Dec 26New Year's Run 5K/10K/13.1 SAN FRANCISCOSan Mateo5K10KHalf marathon
- Sat, Dec 26Happy Holidays 5k, 10k, 15k, Half Marathonlong beach5K10KHalf marathon
- Sun, Dec 27Countdown to the Finish – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon
- Thu, Dec 31Last Dash Before Midnight 5K, 10K, & Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Thu, Dec 31New Years Eve 5k, 10k, 15k, Half MarathonRiverside5K10KHalf marathon
January 2027
- Fri, Jan 1Run in the New Years Half MarathonHuntington BeachHalf marathon
- Fri, Jan 1New Year's Day Dash – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon
- Fri, Jan 1Run In The New Year 5k/10K/Half MarathonHuntington Beach5K10KHalf marathon Competitive
- Fri, Jan 1Happy New Year 5k, 10k, 15k, Half Marathonlong beach5K10KHalf marathon
- Fri, Jan 1Brazen New Year's DayCastro Valley5K10KHalf marathon
- Fri, Jan 1Brazen New Year's EveCastro Valley5K10KHalf marathon
- Sat, Jan 2Run In The New Year Half MarathonLong BeachHalf marathon
- Sat, Jan 2Run in the New Year 5k, 10k, 15k, Half Marathonlong beach5K10KHalf marathon
- Sun, Jan 3The Coffee Cruise – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon
- Sun, Jan 3Griffith Park Resolution RunLos Angeles5KHalf marathon
- Sun, Jan 3Ring in the New Year 5k, 10k, 15k, Half MarathonSimi Valley5K10KHalf marathon
- Sat, Jan 9Grievances & Gratitude Run – New Year Reset 5K 10K Half MarathonLong Beach5K10KHalf marathon
- Sat, Jan 9San Diego 50 & Trail RunsEscondido5KHalf marathonMarathon
- Sat, Jan 9Citrus Heritage RunRiverside5K10KHalf marathon Competitive
- Sun, Jan 10The Cookie Classic - 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon Local
- Sat, Jan 16Define Your Glow 5K, 10K & Half MarathonLong BeachHalf marathon
- Sat, Jan 16The Bagel Run – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon Competitive
- Sat, Jan 16MLK Jr. Freedom Run 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Jan 16MLK Jr. Freedom Run 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Jan 16MLK Jr. Freedom Run 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Jan 16MLK Jr. Freedom Run 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Jan 16Sunrise Marathon 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Jan 16Sunrise Marathon 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Jan 16Sunrise Marathon 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Jan 16Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOLos Angeles5K10KHalf marathon
- Sat, Jan 16Define Your Glow - New Year Reset 5K, 10K, Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Sun, Jan 17Rose Bowl Half MarathonPasadenaHalf marathon Local
- Sun, Jan 17SPASM Crystal Springs Trail RunWoodsideHalf marathonMarathon
- Fri, Jan 22Resolution Run for Coffee 5K/10K/13.1 - RosevilleRocklin5K10KHalf marathon
- Sat, Jan 23Beyond The Streets 5K, 10K & Half MarathonLos AngelesHalf marathon
- Sat, Jan 23Polar Bear Run 5K, 10K, and Half MarathonLong BeachHalf marathon
- Sat, Jan 23SoCal Spartan TrifectaPerrisHalf marathon
- Sat, Jan 23Polar Bear Run 5K, 10K, and Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Sat, Jan 23Fresh Wave 5k, 10k, 15k, Half Marathonlong beach5K10KHalf marathon
- Sat, Jan 30Coffee Lovers Run LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Jan 30Coffee Lovers Run SACRAMENTOSacramento5K10KHalf marathon
- Sat, Jan 30Coffee Lovers Run SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Jan 30Coffee Lovers Run SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Jan 30Coyote HillsFremont5K10KHalf marathon
- Sat, Jan 30Run for Donut LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Jan 30Run for Donut SACRAMENTOSacramento5K10KHalf marathon
- Sat, Jan 30Run for Donut SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Jan 30Run for Donut SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Jan 30Rotary Mission Ten - Half Marathon, 10 Mile and 5KSan Juan Bautista5KHalf marathon Very competitive
- Sun, Jan 31Besties Run 5K. 10K. Half Marathon , & Kids DashLong Beach5K10KHalf marathon
February 2027
- Sat, Feb 6Clueless & Breathless 5K, 10K & HalfCanoga Park5K10KHalf marathon
- Sat, Feb 6Run Your Heart Out – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon Local
- Sat, Feb 6Happy Lunar New Year 5k 10k 15k Half Marathonlong beach5K10KHalf marathon
- Sat, Feb 6Golden Gate Trail RunSausalitoHalf marathonMarathon
- Sun, Feb 7San Francisco Half MarathonSan FranciscoHalf marathon
- Sun, Feb 7Heart and Sole Valentine's Run 5K, 10K, and Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Sat, Feb 13The Ranch 50K/Half MarathonEscondidoHalf marathon
- Sat, Feb 13Run for Chocolate 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Feb 13Run for Chocolate 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Feb 13Run for Chocolate 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Feb 13Run for Chocolate 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Feb 13Valentine's Day Run 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Feb 13Valentine's Day Run 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Feb 13Valentine's Day Run 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Feb 13Valentine's Day Run 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Feb 13Cupid Dash 5k 10k 15k Half Marathonlong beach5K10KHalf marathon
- Sat, Feb 13The HEART RUN Half Marathon & 5K/10KHuntington Beach5K10KHalf marathon Competitive
- Sun, Feb 14Love Yourself Run 5K, 10K, 10 Miler, Half MarathonLong BeachHalf marathon
- Sun, Feb 14The HEART RUN Half Marathon & 5KHuntington BeachHalf marathon
- Sun, Feb 14The Long Beach Sweetheart's Run - Valentine's 5K, 10K, & Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Sun, Feb 14The Love Run – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon Local
- Sun, Feb 14Super Valentine 5k, 10k, 15k, Half MarathonLos Angeles5K10KHalf marathon
- Sat, Feb 20Montara Mountain Trail RunPacifica10KHalf marathonMarathon
- Sat, Feb 20Bakersfield Coffee RunBakersfield5K10KHalf marathon
- Sat, Feb 20Beer City Half™ Santa RosaSanta Rosa5K10KHalf marathon Competitive
- Sat, Feb 20The Lost Trail 5K & Half MarathonGranite Bay5KHalf marathon
- Sun, Feb 21Coastal Love Chase – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon Local
- Sat, Feb 27Mermaid Half Marathon San DiegoSan DiegoHalf marathon
- Sat, Feb 27The Storybook Stride – 5K, 10K, 10-Miler, Half MarathonLong Beach5K10KHalf marathon
- Sat, Feb 27Run For Mental Health LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Feb 27Run For Mental Health SACRAMENTOSacramento5K10KHalf marathon
- Sat, Feb 27Run For Mental Health SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Feb 27Run For Mental Health SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Feb 27Run Together Against Breast Cancer LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Feb 27Run Together Against Breast Cancer SACRAMENTOSacramento5K10KHalf marathon
- Sat, Feb 27Run Together Against Breast Cancer SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Feb 27Run Together Against Breast Cancer SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Feb 27SOCAL River Marathon - 26.2 - 13.1 - 10K - 5KHuntington Beach5K10KHalf marathonMarathon Local
- Sat, Feb 27Apple Valley Desert Rock and Road Half Marathon 2027Apple Valley5K10KHalf marathon
- Sun, Feb 28Davis StampedeDavis5K10KHalf marathon
- Sun, Feb 28Ocean Breeze 5k 10k 15k Half Marathonlong beach5K10KHalf marathon
- Sun, Feb 28Visalia Half Marathon, 10K & 5K Run/WalkVisalia5K10KHalf marathon Very competitive
- Sun, Feb 28Navy Ten-MilerChula Vista5KHalf marathon
March 2027
- Sat, Mar 6Disco Miles: Beachfront Boogie 5K, 10K, Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Sat, Mar 6Bidwell Classic 5K, 10k and Half Marathon March 6th, 2027Chico5K10KHalf marathon Competitive
- Sun, Mar 7Livermore Valley Half MarathonLivermoreHalf marathon
- Sun, Mar 7She Runs Long Beach - National Women's Day Run 5K • 10K • Half MarathonLong Beach5K10KHalf marathon
- Sun, Mar 7Run Through RedlandsRedlands5K10KHalf marathon Local
- Sun, Mar 7Tesoro Viejo Spring Classic Half MarathonMadera5K10KHalf marathon Local
- Sat, Mar 13Shamrock'n Half MarathonSacramentoHalf marathon Local
- Sat, Mar 13Mojave Half Marathon & 10KTwentynine Palms10KHalf marathon
- Sat, Mar 13Zoom San FranciscoSan Francisco5K10KHalf marathon
- Sat, Mar 13Beer City Half™ San DiegoSan Diego5K10KHalf marathon Very competitive
- Sun, Mar 14Moonlight Beach Half MarathonEncinitasHalf marathon Very competitive
- Sun, Mar 14Shamrock'n Half MarathonSacramentoHalf marathon Local
- Sun, Mar 14The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Sun, Mar 14Silicon Valley Half MarathonSan Jose5KHalf marathon
- Sun, Mar 14Rockin Shamrock 5k, 10k, 15k, Half Marathon LBlong beach5K10KHalf marathon
- Sun, Mar 14The Rattlesnake Ramble 5K/10K/Half Marathon (live or virtual)Santa Venetia5K10KHalf marathon
- Sat, Mar 20VALENCIA Trail RaceSanta Clarita10KHalf marathon
- Sat, Mar 20Finish The Ride and Finish The Run Griffith ParkLos Angeles5K10KHalf marathon
- Sat, Mar 20St. Paddy's Day Lucky Run 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Mar 20St. Paddy's Day Lucky Run 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Mar 20St. Paddy's Day Lucky Run 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Mar 20St. Paddy's Day Lucky Run 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Mar 20Sunrise Marathon 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Mar 20Sunrise Marathon 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Mar 20Sunrise Marathon 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Mar 20Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Mar 20VALENCIA Trail RaceValencia10KHalf marathon
- Sat, Mar 20Redwood (Spring) Trail RunOaklandHalf marathonMarathon
- Sat, Mar 20Fort Bragg Whale Run and WalkFort Bragg5K10KHalf marathon Competitive
- Sat, Mar 20Beer City Half™ Long BeachLong Beach5K10KHalf marathon
- Sun, Mar 21San Diego Half MarathonSan DiegoHalf marathon
- Sat, Mar 27Always Hope Easter Run LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Mar 27Always Hope Easter Run SACRAMENTOSacramento5K10KHalf marathon
- Sat, Mar 27Always Hope Easter Run SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Mar 27Always Hope Easter Run SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Mar 27SuperHeroes Run LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Mar 27SuperHeroes Run SACRAMENTOSacramento5K10KHalf marathon
- Sat, Mar 27SuperHeroes Run SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Mar 27SuperHeroes Run SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Mar 27The Rabbit Run 5k & OC Challenge Wild Hare 5k & Half Marathon IRVINEIrvine5KHalf marathon
- Sat, Mar 27Como La Flor 5K. 10K, Half Marathon by Califlow RunsLong Beach5K10KHalf marathon
- Sun, Mar 28RunThrough San Diego 5K, 10K, 10 Mile & Half Marathon at Mission BaySan DiegoHalf marathon
- Sun, Mar 28San Diego 5K, 10K, 10 Mile & Half Marathon at Mission BaySan Diego5K10KHalf marathon
April 2027
- Sat, Apr 3RunThrough USA Long Beach 5k,10k & Half Marathon RaceLong BeachHalf marathon
- Sat, Apr 3San Jose SpartanWaterfordHalf marathonUltra
- Sat, Apr 3The Cobra 5Kai, 10Kai & Half MiyagithonCanoga Park5K10KHalf marathon
- Sat, Apr 3RunThrough USA Long Beach 5k,10k & Half Marathon RaceLong Beach5K10KHalf marathon Local
- Sat, Apr 3Bedrock Valley Trail RunsHemet5K10KHalf marathonMarathon Local
- Sun, Apr 4Seabreeze Half MarathonLong BeachHalf marathon
- Sun, Apr 4Bakersfield MarathonBakersfield5K10KHalf marathonMarathon
- Sun, Apr 4Modesto MarathonModesto5K10KHalf marathonMarathon
- Sat, Apr 10Run for PB&J 5k/10k/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Apr 10Run for PB&J 5k/10k/13.1 SACRAMENTOSan Francisco5K10KHalf marathon
- Sat, Apr 10Run for PB&J 5k/10k/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Apr 10Run for PB&J 5k/10k/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Apr 10San Diego Beach & Bay Half MarathonSan Diego5K10KHalf marathon Local
- Sat, Apr 10Sloth Run 5K/10K/13.1 LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Apr 10Sloth Run 5K/10K/13.1 SACRAMENTOSacramento5K10KHalf marathon
- Sat, Apr 10Sloth Run 5K/10K/13.1 SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Apr 10Sloth Run 5K/10K/13.1 SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Apr 10Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1MAgoura Hills5K10KHalf marathon
- Sun, Apr 11Beer City San FranciscoSan Francisco5K10KHalf marathon
- Fri, Apr 16Run4Kids Ultra Running PartyCoronaHalf marathonMarathon
- Sat, Apr 17California Classic Half MarathonFresno5K10KHalf marathon Competitive
- Sat, Apr 17Run for the Planet – 5K, 10K, 10M, and Half MarathonLong Beach5K10KHalf marathon Local
- Sat, Apr 17Badger CoveLivermore5K10KHalf marathon
- Sat, Apr 17Mountains 2 Beach Marathon and HalfVentura5KHalf marathonMarathon Competitive
- Sat, Apr 17SPASM Lake Chabot Trail RunCastro ValleyHalf marathonMarathon
- Sat, Apr 17Run for the Planet -An Earth Day Run by CaliFlow Runs - 5K, 10K, Half MarathonLong beach5K10KHalf marathon
- Sun, Apr 18Mountains 2 Beach Marathon and HalfVentura10KHalf marathonMarathon Competitive
- Sun, Apr 18Dolphin Dash – 5K, 10K, and Half MarathonSanta Monica5K10KHalf marathon
- Sun, Apr 18Alameda Island Running FestivalAlameda5K10KHalf marathon Competitive
- Sat, Apr 24Coffee Lovers Run LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Apr 24Coffee Lovers Run SACRAMENTOSacramento5K10KHalf marathon
- Sat, Apr 24Coffee Lovers Run SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Apr 24Coffee Lovers Run SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Apr 24Run for Donut LOS ANGELESLos Angeles5K10KHalf marathon
- Sat, Apr 24Run for Donut SACRAMENTOSacramento5K10KHalf marathon
- Sat, Apr 24Run for Donut SAN DIEGOSan Diego5K10KHalf marathon
- Sat, Apr 24Run for Donut SAN FRANCISCOSan Francisco5K10KHalf marathon
- Sat, Apr 24American River Parkway Half MarathonCarmichael5KHalf marathon Local
- Sat, Apr 24Horseshoe Lake Trail RunLos GatosHalf marathonMarathon
- Sat, Apr 24Nail the Rail Half Marathon, 10K & 5KShasta Lake5K10KHalf marathon Competitive
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