Half Marathons in California

Upcoming half marathons in California. Use filters to quickly find races by month, city or race type.

More races:ย USA running calendar

Date RaceDistanceLocationhf:tax:monthandyearhf:tax:cityhf:tax:typerace
03/08/2025Mermaid Half Marathon San Diego10K, 13.1M, 5KSan Diego CA03-marchsan-diego-caroadrace
03/15/2025Folsom Lake Southside Trail Run13.1M, 25K, 26.2M, 50K, 5K, 7Folsom Lake CA03-marchfolsom-lake-catrail
03/22/2025Napa Valley Trail Marathon10K, 13.1M, 26.2MHelena CA03-marchhelena-catrail
03/22/2025Redwood Spring Trail Run13.1M, 26.2M, 30K, 50K, 5MOakland CA03-marchoakland-catrail
03/22/2025The Oakland Marathon Running Festival10K, 13.1M, 26.2M, 5KOakland CA03-marchoakland-caroadrace
03/22/2025Knickerbocker Canyon Trail Run10K, 13.1M, 35K, 5KAuburn CA03-marchauburn-catrail
03/22/2025Valencia Trail Race10K, 13.1M, 50KSanta Clarita CA03-marchsanta-clarita-catrail
03/22/2025John Wayne Grit Series – Pioneertown10K, 13.1MYucca Valley CA03-marchyucca-valley-catrail
03/23/2025San Diego Half Marathon13.1M, 5KSan Diego CA03-marchsan-diego-caroadrace
03/23/2025Modesto Marathon10K, 13.1M, 26.2M, 5KModesto CA03-marchmodesto-caroadrace
03/29/2025Western Pacific10K, 13.1M, 5KFremont CA03-marchfremont-catrail
03/29/2025Folsom Lake Falcon Crest Trail Run10K, 13.1M, 5K, 8MEl Dorado Hills CA03-marchel-dorado-hills-catrail
03/29/2025Run SF “Golden Gate City”10K, 13.1M, 5KSan Francisco CA03-marchsan-francisco-caroadrace
03/29/2025Montaรฑa de Oro Trail Run12K, 13.1M, 36K, 50KLos Osos CA03-marchlos-osos-catrail
03/30/2025Run Rocklin Half Marathon10K, 13.1M, 5KRocklin CA03-marchrocklin-caroadrace
03/30/2025Bakersfield Marathon10K, 13.1M, 26.2M, 6KBakersfield CA03-marchbakersfield-caroadrace
04/05/2025Run Against Breast Cancer SAN FRANCISCO10K, 13.1M, 5KSan Francisco CA04-aprilsan-francisco-caroadrace
04/05/2025Point Mugu Trail Races10K, 13.1MMalibu CA04-aprilmalibu-catrail
04/05/2025SuperHeroes Run SAN FRANCISCO10K, 13.1M, 5KSan Francisco CA04-aprilsan-francisco-caroadrace
04/05/2025Ruth McKenzie Preserve Half Marathon10K, 13.1M, 5KFriant CA04-aprilfriant-catrail
04/05/2025Santa Teresa King Richard Trail Run10K, 10M, 13.1M, 5KSan Jose CA04-aprilsan-jose-catrail
04/05/2025Bedrock Valley Trail Runs13.1M, 15K, 26.2M, 5KHemet CA04-aprilhemet-catrail
04/05/2025Diablo Trails Challenge10K, 13.1M, 50K, 5KWalnut Creek CA04-aprilwalnut-creek-catrail
04/05/2025Billy Goat Half Marathon & 10K Climb10K, 13.1MCorona CA04-aprilcorona-catrail
04/05/2025Golden Gate Headlands Marathon10K, 13.1M, 26.2MTulare County CA04-apriltulare-county-caroadrace
04/05/2025Great Race10K, 13.1M, 1M, 5KAgoura Hills CA04-aprilagoura-hills-caroadrace
04/05/2025Preserve Half Marathon10K, 13.1M, 5KFriant CA04-aprilfriant-catrail
04/12/2025Lake Sonoma 5013.1M, 26.2M, 50MHealdsburg CA04-aprilhealdsburg-catrail
04/12/2025Rodeo Beach Rumble13.1M, 8KMill Valley CA04-aprilmill-valley-catrail
04/12/2025Rodeo Beach Rumble13.1M, 8KMill Valley CA04-aprilmill-valley-catrail
04/12/2025California Classic Half Marathon10K, 13.1M, 5KFresno CA04-aprilfresno-caroadrace
04/12/2025Romancing the Island Half Marathon10K, 13.1MTiburon CA04-apriltiburon-caroadrace
04/12/2025Fiercelifit Half Marathon10K, 13.1M, 5KFremont CA04-aprilfremont-caroadrace
04/12/2025Mountains 2 Beach Marathon and Half Marathon10K, 13.1M, 26.2M, 5KVentura CA04-aprilventura-ca
04/12/2025San Diego Beach & Bay Half Marathon10K, 13.1M, 5KSan Diego CA04-aprilsan-diego-caroadrace
04/19/2025Badger Cove Half Marathon10K, 13.1M, 5KLivermore CA04-aprillivermore-catrail
04/19/2025Hope Easter Run LOS ANGELES10K, 13.1M, 5KLos Angeles CA04-aprillos-angeles-caroadrace
04/19/2025Hope Easter Run SACRAMENTO10K, 13.1M, 5KSacramento CA04-aprilsacramento-caroadrace
04/19/2025Hope Easter Run SAN FRANCISCO10K, 13.1M, 5KSan Francisco CA04-aprilsan-francisco-caroadrace
04/19/2025Hope Easter Run SAN DIEGO10K, 13.1M, 5KSan Diego CA04-aprilsan-diego-caroadrace
04/19/2025Sierra Azul Trail Challenge13.1M, 20M, 26.2M, 50K, 5K, 7MSan Jose CA04-aprilsan-jose-catrail
04/19/2025Badger Cove Half Marathon10K, 13.1M, 5KLivermore CA04-aprillivermore-caroadrace
04/20/2025Horseshoe Lake Trail Run13.1M, 26.2M, 30K, 50K, 5MLa Honda CA04-aprilla-honda-catrail
04/26/2025Mt. Tam Wild Boar Half Marathon10K, 13.1MMill Valley CA04-aprilmill-valley-catrail
04/26/2025Nail the Rail Half Marathon10K, 13.1M, 5KShasta Lake CA04-aprilshasta-lake-catrail
04/26/2025American River Parkway Half Marathon13.1M, 5KSacramento CA04-aprilsacramento-caroadrace
04/26/2025Mt. Tam Wild Boar Half Marathon10K, 13.1MTamalpais Valley CA04-apriltamalpais-valley-catrail
04/27/2025Surfer’s Path Half Marathon13.1MSanta Cruz CA04-aprilsanta-cruz-caroadrace
04/27/2025Napa Valley Women’s Half Marathon13.1M, 5KNapa CA04-aprilnapa-caroadrace
05/03/2025Cinco De Mayo: Run Against All Odds LOS ANGELES10K, 13.1M, 5KSanta Monica CA05-maysanta-monica-caroadrace
05/03/2025Cinco De Mayo: Run Against All Odds SACRAMENTO10K, 13.1M, 5KSacramento CA05-maysacramento-caroadrace
05/03/2025Cinco De Mayo: Run Against All Odds SAN FRANCISCO10K, 13.1M, 5KSan Francisco CA05-maysan-francisco-caroadrace
05/03/2025OC Marathon Running Festival13.1M, 26.2M, 5KCosta Mesa CA05-maycosta-mesa-caroadrace
05/04/2025Avenue of the Giants Marathon10K, 13.1M, 26.2MWeott CA05-mayweott-caroadrace
05/04/2025Bay Bridge Half Marathon13.1MOakland CA05-mayoakland-caroadrace
05/04/2025Windsor Run & Wine10K, 13.1M, 5KWindsor CA05-maywindsor-catrail
05/10/2025Nitro Trail10K, 13.1M, 5KSan Pablo CA05-maysan-pablo-catrail
05/10/2025Yosemite Half Marathon13.1MYosemite CA05-mayyosemite-caroadrace
05/10/2025Grizzly Peak Trail Run10K, 13.1M, 26.2M, 30K, 50KBerkeley CA05-mayberkeley-catrail
05/10/2025Santa Barbara Wine Country Half Marathon13.1MSolvang CA05-maysolvang-caroadrace
05/10/2025Muir Woods Marathon13.1M, 26.2M, 7MStinson Beach CA05-maystinson-beach-catrail
05/10/2025Trail Run at Sly Park – Spring Edition10K, 13.1M, 17M, 26.2M, 50K, 5K, 8MPollock Pines CA05-maypollock-pines-catrail
05/17/2025Trail Quake Half Marathon10K, 13.1M, 5KSaratoga CA05-maysaratoga-catrail
05/17/2025Trailquake10K, 13.1M, 5KSaratoga CA05-maysaratoga-caroadrace
05/17/2025O’Neill Park Trail Races10K, 13.1M, 30K, 50KTrabuco Canyon CA05-maytrabuco-canyon-catrail
05/17/2025La Jolla Half Marathon13.1M, 5KDel Mar CA05-maydel-mar-caroadrace
05/18/2025Seaside Marathon California10K, 13.1M, 26.2M, 5KVentura CA05-mayventura-caroadrace
05/24/2025Keep Going Run SAN DIEGO10K, 13.1M, 5KSan Diego CA05-maysan-diego-caroadrace
05/24/2025Keep Going Run SACRAMENTO10K, 13.1M, 5KSacramento CA05-maysacramento-caroadrace
05/24/2025Run for Mental Health SAN DIEGO10K, 13.1M, 5KSan Diego CA05-maysan-diego-caroadrace
05/24/2025Run for Mental Health SACRAMENTO10K, 13.1M, 5KSacramento CA05-maysacramento-caroadrace
05/24/2025Keep Going Run SAN FRANCISCO10K, 13.1M, 5KSan Francisco CA05-maysan-francisco-caroadrace
05/25/2025Armed Forces Half Marathon13.1MConcord CA05-mayconcord-caroadrace
05/26/2025Laguna Hills Memorial Day Half Marathon10K, 13.1M, 5KLaguna Hills CA05-maylaguna-hills-caroadrace
05/31/2025Wildcat10K, 13.1M, 5KEl Sobrante CA05-mayel-sobrante-caroadrace
05/31/2025Calero Trail Run – Summer10K, 13.1M, 15K, 1M, 25K, 26.2M, 50K, 5KSan Jose CA05-maysan-jose-catrail
06/01/2025San Jose 8K & Half Marathon13.1M, 8KSan Jose CA06-junesan-jose-caroadrace
06/01/2025Lake Chabot Trail Challenge13.1M, 5KCastro Valley CA06-junecastro-valley-catrail
06/01/2025Rock ‘n’ Roll San Diego Marathon13.1M, 26.2M, 5KSan Diego CA06-junesan-diego-caroadrace
06/07/2025Fontana Days Run Half Marathon13.1M, 5KFontana CA06-junefontana-caroadrace
06/07/2025Mt Umunhum Ultras10K, 13.1M, 26.2M, 30K, 50K, 52M, 5K, 9MSan Jose CA06-junesan-jose-catrail
06/08/2025Fun in the Sun Half Marathon10K, 13.1M, 15K, 5KSanta Monica CA06-junesanta-monica-caroadrace
06/14/2025Cool Moon 100 Mile Endurance Run100K, 100M, 11.5M, 13.5M, 25M, 50M, 5KCool CA06-junecool-catrail
06/14/2025Sugar Daddy Race10K, 13.1M, 5KSanta Clarita CA06-junesanta-clarita-caroadrace
06/14/2025Long Beach Classic Half13.1M, 5KLong Beach CA06-junelong-beach-caroadrace
06/21/2025Black Mountain 50K13.1M, 25K, 50KSan Diego CA06-junesan-diego-catrail
06/21/2025Angel Island 5 Mile and Half Marathon13.1M, 5MTiburon CA06-junetiburon-catrail
06/21/2025Goleta Beach Half Marathon10K, 13.1M, 5KGoleta CA06-junegoleta-caroadrace
07/05/2025SuperHeroes Run LOS ANGELES (summer)10K, 13.1M, 5KLos Angeles CA07-julylos-angeles-caroadrace
07/05/2025July 4th Freedom Run LOS ANGELES10K, 13.1M, 5KSanta Monica CA07-julysanta-monica-caroadrace
07/05/2025July 4th Freedom Run SACRAMENTO10K, 13.1M, 5KSacramento CA07-julysacramento-caroadrace
07/05/2025SuperHeroes Run SACRAMENTO (summer)10K, 13.1M, 5KSacramento CA07-julysacramento-caroadrace
07/05/2025Rancho Hills Trail Run10K, 10M, 13.1M, 26.2M, 30K, 50K, 5K, 8MMorgan Hill CA07-julymorgan-hill-catrail
07/12/2025San Lorenzo River 50K10K, 13.1M, 26.2M, 30K, 50KSanta Cruz CA07-julysanta-cruz-catrail
07/12/2025The Peak 50K13.1M, 26.2M, 50KJulian CA07-julyjulian-catrail
07/13/2025Shoreline Marathon10K, 13.1M, 5KVentura CA07-julyventura-caroadrace
07/19/2025Bad Bass10K, 13.1M, 5KCastro Valley CA07-julycastro-valley-caroadrace
07/19/2025Napa to Sonoma Wine Country Half Marathon13.1M, 5KSonoma CA07-julysonoma-caroadrace
07/26/2025Run Against Breast Cancer SACRAMENTO10K, 13.1M, 5KSacramento CA07-julysacramento-caroadrace
07/26/2025Run SACRAMENTO ‘City of Trees’ SUMMER10K, 13.1M, 5KSacramento CA07-julysacramento-caroadrace
07/26/2025Run Against Breast Cancer LOS ANGELES10K, 13.1M, 5KSanta Monica CA07-julysanta-monica-caroadrace
07/26/2025San Francisco Marathon10K, 13.1M, 1K, 26.2M, 52.4M, 5KSan Francisco CA07-julysan-francisco-caroadrace
08/02/2025Hell of a Half Marathon13.1MExeter CA08-augustexeter-caroadrace
08/03/2025Camarillo Marathon10K, 13.1M, 26.2M, 5KCamarillo CA08-augustcamarillo-caroadrace
08/03/2025Skyline 50K Endurance Run13.1M, 50KCastro Valley CA08-augustcastro-valley-catrail
08/09/2025Bear Creek10K, 13.1M, 5KLafayette CA08-augustlafayette-catrail
08/09/2025Summer Dash Half Marathon10K, 13.1M, 15K, 5KLong Beach CA08-augustlong-beach-caroadrace
08/10/2025Humboldt Bay Marathon13.1M, 26.2MEureka CA08-augusteureka-caroadrace
08/10/2025SAR Wild Run10K, 13.1M, 5KShaver Lake CA08-augustshaver-lake-catrail
08/16/2025Almaden Hills Trail Run10K, 13.1M, 26.2M, 30K, 50K, 5K, 8MSan Jose CA08-augustsan-jose-catrail
08/16/2025Redwood Trail Run (Summer)13.1M, 26.2M, 30K, 50K, 5MOakland CA08-augustoakland-catrail
08/17/2025America’s Finest City Half Marathon13.1M, 5KSan Diego CA08-augustsan-diego-caroadrace
08/23/2025Trail Run at Sly Park10K, 13.1M, 17M, 26.2M, 50K, 5K, 8MPollock Pines CA08-augustpollock-pines-catrail
08/23/2025Santa Rosa Marathon10K, 13.1M, 26.2M, 5KSanta Rosa CA08-augustsanta-rosa-caroadrace
08/31/2025Crystal Springs Summer Trail Run13.1M, 26.2M, 35K, 50K, 8KWoodside CA08-augustwoodside-catrail
09/06/2025Stevens Creek Striders Reservoir Run11K, 13.1MCupertino CA09-septembercupertino-catrail
09/06/2025Mendocino Running Festival10K, 12H, 13.1M, 6HMendocino CA09-septembermendocino-catrail
09/14/2025Windsor Half Marathon13.1M, 5KWindsor CA09-septemberwindsor-caroadrace
11/01/2025IPA10K/3k, Half Marathon Brewfest10K, 13.1M, 3KSebastopol CA11-novembersebastopol-caroadrace

California Race Calendar

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