Browse all California Half Marathons in 2026 and 2027 by month and by City below. For each race, youāll find the history of the half marathon and the course, the most recent yearās course maps, elevation profiles, runner reviews, pricing, and how to sign up.
We dedicateĀ hours every month searching for races to include in the California Half Marathons calendar. If you happen to see any half marathon not included, contact us at info@halfmarathons.net to submit your race.
The three most popular California half marathons are theĀ Rock ānā Roll San Diego Half MarathonĀ with over 10,000 runners, theĀ Napa to Sonoma Wine Country Half MarathonĀ with over 6,800 runners, and theĀ Monterey Bay Half MarathonĀ with over 6,300 runners.
Thereās a ton of competition for the best California half marathons for beginners. But, we most frequently recommend theĀ OC Marathon & Half Marathon, theĀ Napa Valley Half Marathon, theĀ Rock ānā Roll San Diego Half MarathonĀ and theĀ Surf City Half MarathonĀ as well produced races with beautiful courses and big crowds. If youāre willing to travel, hereās our full list ofĀ best half marathons for beginners.
You can run California half-marathon events in Agua Dulce, Alameda, Angel Island State Park, Arcata, Auburn, Avalon, Bakersfield, Bass Lake, Berkeley, Big Bear Lake, Brentwood, Brisbane, Camarillo, Carlsbad, Castro Valley, Clayton, Cloverdale, Coloma, Coronado, Costa Mesa, Death Valley, Del Mar, El Dorado Hills, El Sobrante, Escondido, Eureka, Felton, Folsom, Fontana, Fort Bragg, Fountain Valley, Fremont, Fresno, Gilroy, Half Moon Bay, Huntington Beach, Inglewood, Irvine, Joshua Tree, La Jolla, Laguna Hills, Lone Pine, Long Beach, Malibu, Mendocino, Mill Valley, Modesto, Monterey, Morgan Hill, Napa, Nipton, Oakland, Oxnard, Pacifica, Pasadena, Paso Robles, Perris, Petaluma, Pinole, Placerville, Pollock Pines, Redding, Riverside, Roseville, Sacramento, Salinas, San Diego, San Francisco, San Jose, San Leandro, San Mateo, San Ramon, Santa Barbara, Santa Clarita, Santa Cruz, Santa Monica, Santa Rosa, Santa Venetia, Santa Ynez, Saratoga, Simi Valley, South Lake Tahoe, Stinson Beach, Susanville, Sutter, Tahoe City, Truckee, Vallejo, Ventura, Ventura County, Walnut Creek, Weott, Windsor, & Woodside.
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