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Upcoming Half Marathons Near Half Moon Bay, CA

Browse all California Half Marathons in 2026 and 2027 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

June 7, 2026
1,000-10,000 runners
Fremont, California
The Presidio Half Marathon
June 21, 2026
1,000-10,000 runners
San Francisco, California
Beer City Half Bishop Ranch logo
July 11, 2026
100-500 runners
Alameda, California
Napa to Sonoma Wine Country Half Marathon logo
July 19, 2026
500-1000 runners
San Francisco, California
July 26, 2026
1,000-10,000 runners
San Francisco, California
August 1, 2026
100-500 runners
San Leandro, California
August 15, 2026
100-500 runners
Fremont, California
SPASM Crystal Springs Trail Run in Long Beach, CA, Forested, Mountain Views, Creekside
August 30, 2026
100-500 runners
Woodside, California
August 30, 2026
100-500 runners
Woodside, California
September 20, 2026
100-500 runners
Alameda, California
September 27, 2026
1,000-10,000 runners
San Jose, California
October 18, 2026
100-500 runners
Half Moon Bay, California
October 31, 2026
1-100 runners
San Francisco, California
Golden Gate Half Marathon & 5K logo
November 1, 2026
1-100 runners
San Francisco, California
Women's Trail Run - Mermaid Series Logo
November 7, 2026
100-500 runners
Woodside, California
November 25, 2026
1-100 runners
San Francisco, California
November 28, 2026
100-500 runners
Fremont, California
December 5, 2026
100-500 runners
Fremont, California
Woodside Ramble 50k 36k Half Marathon & 10k logo
December 19, 2026
100-500 runners
Woodside, California
January 17, 2027
100-500 runners
Woodside, 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 2026?

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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