California · Half Marathon
Half Marathons in California
California currently has 209 upcoming half marathons with a confirmed date listed in RaceRove. Long Beach, San Diego, Los Angeles and Sacramento have the largest concentration of events.
October (44), December (35) and November (33) are the busiest months on the calendar right now. Another 77 annual half marathons are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 209
- Active listings
- 286
- Cities with races
- 95
More ways to browse California
Upcoming half marathons in California
The next 200 of 209 with a confirmed date, soonest first.
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Big Sur Trail Marathon, Half Marathon & 5 MileBig Sur, CA5 Mile - Adult5 Mile - YouthHalf Marathon - AdultHalf Marathon - Youth +2 more
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Rotary Club of Los Gatos Great RaceLos Gatos, CAGreat Race 1 Mile Fun RunGreat Race 2 Mile 'Great Half'Great Race 4 Mile CourseGreat Race Kids under 12 Price
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Take Me to Your Pizza : Alien Dash 5K. 10K. Half MarathonLong Beach, CAHalf Marathon5K10K1 Miles +1 more
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Never Say Die Run 5K. 10K. Half Marathon An 80s Adventure Movie Inspired RaceLong Beach, CAHalf Marathon5K10K
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Pacific Beach Half Marathon & 5KSan Diego County, CA5K - 7:30a - Early Wave - SATURDAY5K - 9:00a - Main Wave - SATURDAYHalf Marathon - SUNDAYKids 1K - SATURDAY +1 more
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Fredrick Michael Gibson 5K/10K & Half Marathon Walk/Run for Depression AwarenessSimi Valley, CA10K5KDogs walk/runHalf Marathon +2 more
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Night of the Living Runners – 5K, 10K, 10-Miler, Half MarathonLong Beach, CAHalf Marathon5K10K10 Miles
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Pumpkin Run by Senior Coastsiders October 18Half Moon Bay, CA10K Run/Walk5K Run/WalkHalf MarathonKids' Fun Run +3 more
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Napa Fall Wine Country Marathon, Half Marathon, 10K, & 5KCalistoga, CA10K - Adult10K - Youth5K - Adult5K - Youth +4 more
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Binational RaceSan Diego, CATHE BINATIONAL 10K Starting in Tijuana MexicoTHE BINATIONAL 12KTHE BINATIONAL HALF MARATHONVIRTUAL HALF MARATHON (
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Crown Point Relay RunsSan Diego, CA5K8KHalf Marathon Relay (Team Captain or Solo Runner)Half Marathon Relay (Team Member) +1 more
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Trick or Trot 5K, 10K, and Half Marathon by Califlow RunsLong Beach, CAHalf Marathon5K10K200 Yards
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The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow RunsLong Beach, CAHalf Marathon5K10K
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Día de Muertos - Viva la Vida - 5K, 10K, and Half Marathon by Califlow RunsLong beach, CAHalf Marathon5K10K1 Miles
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Mermaid Trail RunWoodside, CA3 Miles6 Hour Challenge (2 Person RELAY - Price per person)6 Hour Challenge (Individual)6 Miles +2 more
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RunThrough San Francisco at Crissy Field 5k, 100k & Half MarathonSan Francisco, CAHalf Marathon10K5K
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Santa Barbara Half Marathon & 5KSanta Barbara, CA5KHalf Marathon presented by HOKAKid's RaceRemote Run
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Silver Strand Veterans Day Half Marathon, 10 Miler, 12K & 5K - San DiegoCoronado, CAHalf Marathon5K10 Miles12K
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Friday the 13th Night Race -Deranged Turkey Trot: 5K. 10K. Half Marathon by Califlow RunsLong Beach, CAHalf Marathon5K10K
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Huffin for the Stuffin- Turkey Trot 5K, 10K, & Half MarathonLong Beach, CAHalf Marathon5K10K200 Yards
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Furgiving Run: Turkey Trot 5K, 10K, Half Marathon by Califlow RunsLong Beach, CAHalf Marathon5K10K1 Miles +1 more
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Santa To The Sea 1/2 Marathon, 1/4 Marathon & 5KOxnard, CAMarathonHalf Marathon5K6.55 Miles +1 more
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The Jingle Bell Dash Kids Dash, 1 Miler, 5K, 10K and Half Marathon & Santa Paws Doggie RunLong Beach, CAHalf Marathon5K10K200 Yards
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Santa’s Reindeer Run - 3rd Annual- 5K, 10K, and Half MarathonHuntington Beach, CAHalf Marathon5K10K13.2 Miles +3 more
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Jingle All the Way - Christmas Day 5K, 10K, Half Marathon, Kids Dash by Califlow RunsLong Beach, CAHalf Marathon5K10K
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Countdown to the Finish – 5K, 10K, 10-Miler, Half MarathonLong Beach, CAHalf Marathon5K10K10 Miles
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Last Dash Before Midnight 5K, 10K, & Half Marathon by Califlow RunsLong Beach, CAHalf Marathon5K10K
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Define Your Glow - New Year Reset 5K, 10K, Half Marathon by Califlow RunsLong Beach, CAHalf Marathon5K10K
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Heart and Sole Valentine's Run 5K, 10K, and Half Marathon by Califlow RunsLong Beach, CAHalf Marathon5K10K
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Disco Miles: Beachfront Boogie 5K, 10K, Half Marathon by Califlow RunsLong Beach, CAHalf Marathon5K10K
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She Runs Long Beach - National Women's Day Run 5K • 10K • Half MarathonLong Beach, CAHalf Marathon5K10K
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Moonlight Beach Half Marathon, 10k & 6kEncinitas, CA10k10k (17 and uner)6k6k (17 and under) +2 more
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Shamrock'n WeekendWest Sacramento, CA10K5KDouble Header: 10K + Half MarathonDouble Header: 5K + Half Marathon +1 more
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The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon by Califlow RunsLong Beach, CAHalf Marathon300 Yards1 Miles5K +1 more
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San Diego Half Marathon & Padres 5K (GOVX)San Diego, CAHalf Marathon5K2-Person Half Marathon Relay ~7,500 runners
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Run for the Planet -An Earth Day Run by CaliFlow Runs - 5K, 10K, Half MarathonLong beach, CAHalf Marathon5K10K1 Miles +1 more
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Santa Cruz Westside Half Marathon 10k/5kSanta Cruz, CAWestside 10kWestside 5kWestside Half Marathon
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May the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow RunsLong Beach, CAHalf Marathon5K10K1 Miles +1 more
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Long Beach Mother's Day Bloom & Zoom 5K, 10K, Half Marathon by Califlow RunsLong Beach, CAHalf Marathon5K10K1 Miles +1 more
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Windsor Half Marathon 10K & 5KWindsor, CAWindsor California 10k (6.2 Mile)Windsor California 5k (3.1 Mile)Windsor California Half Marathon 13.1M
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Venice Beach Half Marathon and 5kSanta Monica, CA10:15 a.m. Kids Grunion Run7:00 a.m. Half Marathon8:00 a.m. 5k Course8:30 a.m. One Mile Junior Dash (ages 10 - 18)
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest half marathon events in California
By estimated field size across all distances at the event.
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Los Angeles MarathonLos Angeles, CA Usually held in March · date not confirmedMarathonHalf ~27,000 runners
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Hoag OC Marathon Running FestivalCosta Mesa, CA Usually held in May · date not confirmedMarathonHalf5KCombos ~25,000 runners
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San Francisco MarathonSan Francisco, CA Usually held in July · date not confirmedMarathonHalf5K ~20,000 runners
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Surf City MarathonHuntington Beach, CA Usually held in February · date not confirmedMarathonHalf5K ~20,000 runners
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The Giant Race (San Francisco Giants)San Francisco, CA Usually held in August · date not confirmedHalf Marathon10K5KKids Race ~20,000 runners
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2XU Long Beach MarathonLong Beach, CA Usually held in October · date not confirmedMarathonHalf5KBike Tour +1 more ~10,000 runners
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Rose Bowl Half Marathon & 5KPasadena, CA Usually held in January · date not confirmedHalf5KKids Run ~10,000 runners
When half marathons happen in California
- January
- 17 upcoming races
- February
- 21 upcoming races
- March
- 12 upcoming races
- April
- 14 upcoming races
- May
- 12 upcoming races
- June
- 5 upcoming races
- July
- 4 upcoming races
- September
- 12 upcoming races
- October
- 44 upcoming races
- November
- 33 upcoming races
- December
- 35 upcoming races
California cities with the most half marathons
- Long Beach
- 42 upcoming races
- San Diego
- 25 upcoming races
- Los Angeles
- 18 upcoming races
- Sacramento
- 14 upcoming races
- San Francisco
- 10 upcoming races
- Huntington Beach
- 4 upcoming races
- Auburn
- 4 upcoming races
- San Mateo
- 4 upcoming races
Annual events awaiting their next date
These half marathons are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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Los Angeles MarathonLos Angeles, CA Usually held in March · date not confirmedMarathonHalf ~27,000 runners
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Hoag OC Marathon Running FestivalCosta Mesa, CA Usually held in May · date not confirmedMarathonHalf5KCombos ~25,000 runners
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San Francisco MarathonSan Francisco, CA Usually held in July · date not confirmedMarathonHalf5K ~20,000 runners
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Surf City MarathonHuntington Beach, CA Usually held in February · date not confirmedMarathonHalf5K ~20,000 runners
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The Giant Race (San Francisco Giants)San Francisco, CA Usually held in August · date not confirmedHalf Marathon10K5KKids Race ~20,000 runners
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2XU Long Beach MarathonLong Beach, CA Usually held in October · date not confirmedMarathonHalf5KBike Tour +1 more ~10,000 runners
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Rose Bowl Half Marathon & 5KPasadena, CA Usually held in January · date not confirmedHalf5KKids Run ~10,000 runners
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Rock 'n' Roll San DiegoSan Diego, CA Usually held in May · date not confirmedMarathonHalf5K ~9,000 runners
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Berkeley Half MarathonBerkeley, CA Usually held in November · date not confirmedHalf Marathon10K5KFamily 1K ~7,500 runners
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Carlsbad Marathon, Half Marathon & 5KCarlsbad, CA Usually held in January · date not confirmedMarathonHalf Marathon5KDouble Down Challenge (5K + Half) ~7,000 runners
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Napa to Sonoma Wine Country Half Marathon & Rosé 5KNapa, CA Usually held in July · date not confirmedHalf Marathon5K ~6,800 runners
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Monterey Bay Half MarathonMonterey, CA Usually held in November · date not confirmedHalf Marathon5K (plus 3K/5K in Pacific Grove on Saturday) ~6,300 runners
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America's Finest City Half Marathon & 5KSan Diego, CA Usually held in August · date not confirmedHalf Marathon5K ~6,000 runners
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La Jolla Half Marathon & La Jolla Shores 5KDel Mar, CA Usually held in May · date not confirmedHalf Marathon10K5K ~6,000 runners
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Napa Valley MarathonNapa, CA Usually held in March · date not confirmedMarathonHalf5K ~6,000 runners
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Santa Rosa MarathonSanta Rosa, CA Usually held in August · date not confirmedMarathonHalf Marathon10K5K ~4,000 runners
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San Jose Half Marathon & 8K (Race to the Row)San Jose, CA Usually held in May · date not confirmedHalf Marathon8KMile ~3,000 runners
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Mountains 2 Beach MarathonVentura, CA Usually held in April · date not confirmedMarathonHalf Marathon ~2,500 runners
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Griffith Park Resolution RunLos Angeles, CA Usually held in January · date not confirmedHalf Marathon12K5K ~1,500 runners
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Operation Jack Marathon, Half Marathon & 5KManhattan Beach, CA Usually held in December · date not confirmedMarathonHalf Marathon5K10K ~600 runners
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Alien Invasion Man-5K 10K & Half Marathon - Health is Wealth ExpoLong Beach, CA Usually held in August · next date not announcedHalf Marathon5K10K
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Angel Island Half Marathon & 10KTiburon, CA Usually held in August · next date not announced10K10K - Youth (6-17)Half MarathonHalf Marathon - Youth (6-17)
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Bagel Run 5K/10K/13.1 SACRAMENTOSacramento, CA Usually held in August · next date not announcedHalf Marathon5K10K1 Miles
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Bagel Run 5K/10K/13.1 SAN DIEGOSan Diego, CA Usually held in August · next date not announcedHalf Marathon5K10K1 Miles
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Bagel Run 5K/10K/13.1 SAN FRANCISCOSan Francisco, CA Usually held in August · next date not announcedHalf Marathon5K10K1 Miles
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Bayside Saved by the Bell 5K, 10K & Half MarathonCanoga Park, CA Usually held in September · next date not announcedHalf Marathon5K10K
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Bear CreekOrinda, CA Usually held in August · next date not announced13.32 Miles6.3 Miles5K10K +1 more
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Berkeley Trail AdventureBerkeley, CA Usually held in September · next date not announced50K35K1/2 Marathon10K
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BOO-gie Glow Run 5K 10K Half Marathon - SummerWeen Series by Califlow RunsLong Beach, CA Usually held in July · next date not announcedHalf Marathon5K10K1 Miles
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Californian Dreamin 5K, 10K, & Half Marathon by Califlow RunsLong Beach, CA Usually held in August · next date not announcedHalf Marathon5K10K
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Dog Days of Summer – 5K, 10K, 10M, and Half MarathonLong Beach, CA Usually held in August · next date not announcedHalf Marathon5K10K10 Miles +1 more
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Fiesta Half Marathon & 10K - BakersfieldBakersfield, CA Usually held in September · next date not announcedHalf Marathon
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Fiesta Half Marathon, 10K & Mile Run - FresnoFresno, CA Usually held in September · next date not announcedHalf Marathon10K1 Miles400m +1 more
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Green Valley Lake 5k/10k/& Half MarathonGreen Valley Lake, CA Usually held in August · next date not announcedHalf Marathon5K10K
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Half-Marathon Training for Fun & FitnessGrass Valley, CA Usually held in July · next date not announcedHalf Marathon5K
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Hell Of A Half Marathon & 2 Person RelayExeter, CA Usually held in August · next date not announcedHalf Marathon5K
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Howl at the Moon – 5K, 10K, 10M, and Half MarathonLong Beach, CA Usually held in August · next date not announcedHalf Marathon5K10K15K
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Jurassic Jaunt – 5K, 10K, 10M, and Half MarathonLong Beach, CA Usually held in September · next date not announcedHalf Marathon5K10K
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LBC - Good Vibes Run 5K, 10K, & Half Marathon by Califlow RunsLong Beach, CA Usually held in July · next date not announcedHalf Marathon5K10K
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Mendocino Running FestivalMendocino, CA Usually held in September · next date not announced1/2 Marathon12hrs10K6hrs
Half Marathons in nearby states
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Half Marathons in California: common questions
- How many half marathons are there in California?
- RaceRove currently lists 209 upcoming half marathons in California with a confirmed date, plus 77 annual events whose next date hasn't been announced yet.
- How long is a half marathon?
- A half marathon is 13.1 miles (21.1 kilometres).
- Which California cities have the most half marathons?
- By upcoming events listed in RaceRove: Long Beach (42), San Diego (25), Los Angeles (18), Sacramento (14) and San Francisco (10).
- When is half marathon season in California?
- Of the upcoming half marathons listed, the busiest months are October (44), December (35) and November (33).
- What is the biggest half marathon in California?
- By estimated field size, the largest event with a half marathon listed in California is the Los Angeles Marathon, with about 27,000 runners across all of its distances.
Search every half marathon in California
Filter by month, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.