Page 5 - California Half Marathon Calendar

The Best Races Logo
September 12, 2026
1-100 runners
San Francisco, California
The Best Races Logo
September 12, 2026
1-100 runners
San Diego, California
September 13, 2026
1-100 runners
Brentwood, California
MVRRC logo
September 14, 2026
1-100 runners
Perris, California
September 19, 2026
100-500 runners
San Ramon, California
Booty Dash: A Race for the Gold - Pirate Run 5K, 10K, and Half Marathon
September 19, 2026
1-100 runners
Long Beach, California
Jurassic Jaunt 5K, 10K, 10 Miler, and Half Marathon logo
September 19, 2026
100-500 runners
Long Beach, California
September 20, 2026
100-500 runners
Alameda, California
September 20, 2026
1-100 runners
Los Gatos, California
Angel Island Half Marathon & 10K
September 26, 2026
100-500 runners
Big Sur, California
The Best Races Logo
September 26, 2026
1-100 runners
San Diego, California
The Best Races Logo
September 26, 2026
1-100 runners
San Francisco, California
Better World Running Logo
September 26, 2026
100-500 runners
Long Beach, California
September 27, 2026
1-100 runners
Auburn, California
September 27, 2026
1,000-10,000 runners
San Jose, California
September 27, 2026
1,000-10,000 runners
Sacramento, California
October 3, 2026
1,000-10,000 runners
San Diego, California
October 3, 2026
1-100 runners
Brisbane, California
Spooky Sprint
October 3, 2026
100-500 runners
Littleton, California
Napa Half and Quarter Marathon
October 4, 2026
100-500 runners
Napa, 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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