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California Half Marathon Calendar

Browse all California Half Marathons in 2025 and 2026 by month and by city below. For each race, you’ll find the history of the half marathon and the course, the most recent year’s course maps, elevation profiles, runner reviews, pricing, and how to sign up.

We dedicate 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 [email protected] to submit your race.

Filter California Half Marathons

Filter California Half Marathons

MLK Freedom Run logo
January 17, 2026
1-100 runners
San Leandro, California
January 17, 2026
100-500 runners
Auburn, California
Rose Bowl Half Marathon logo
January 18, 2026
1,000-10,000 runners
Pasadena, California
January 18, 2026
1-100 runners
Carlsbad, California
January 18, 2026
100-500 runners
Woodside, California
January 24, 2026
1-100 runners
Folsom, California
February 1, 2026
100-500 runners
Los Angeles, California
San Francisco Half Marathon 10K & 5K logo
February 1, 2026
1,000-10,000 runners
San Francisco, California
Disney Run Logo
February 1, 2026
10,000+ runners
Anaheim, California
Surf City Marathon Logo
February 1, 2026
100-500 runners
Huntington Beach, California
Mt. Umunhum Trail Conquest Marathon 30k Half Marathon 7M & 5k logo
February 7, 2026
1-100 runners
San Jose, California
Golden Gate Winter 50k Marathon 30k Half Marathon & 8k logo
February 7, 2026
100-500 runners
Sausalito, California
February 7, 2026
100-500 runners
Death Valley, California
February 7, 2026
100-500 runners
Long Beach, California
February 7, 2026
1,000-10,000 runners
Sedona, Arizona
The HEART RUN Half Marathon & 5K Logo
February 14, 2026
100-500 runners
Huntington Beach, California
The Ranch 50K Half Marathon Logo
February 14, 2026
100-500 runners
Escondido, California
Super Sunday 5k Half Crazy Half Marathon logo
February 14, 2026
100-500 runners
Irvine, California
Run Through USA logo
February 15, 2026
500-1000 runners
Long Beach, California
February 15, 2026
100-500 runners
Palm Desert, California

Running in California

FAQ

What are the most popular California half marathons?

The three most popular California half marathons are the Rock ‘n’ Roll San Diego Half Marathon with over 10,000 runners, the Napa to Sonoma Wine Country Half Marathon with over 6,800 runners, and the Monterey Bay Half Marathon with over 6,300 runners.

What’s the best half marathons in California for beginners in 2025?

There’s a ton of competition for the best California half marathons for beginners. But, we most frequently recommend the OC Marathon & Half Marathon, the Napa Valley Half Marathon, the Rock ‘n’ Roll San Diego Half Marathon and the Surf City Half Marathon as well produced races with beautiful courses and big crowds. If you’re willing to travel, here’s our full list of best half marathons for beginners.

Which months can I run a half marathon in California?

You can run a half marathon in California in January, February, April, May, June, July, August, September, October, November, and December.

What are the best California half marathons?
Every year, we rank our favorite and most scenic California half marathons. This year, we rated San Diego Beach & Bay, the OC Half MarathonSanta Rosa Half Marathon, and the Surf City Marathon amongst our favorites.

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