Page 3 - California Half Marathon Calendar

Monsters of the Deep- 5K, 10K, and Half Marathon logo
August 1, 2026
1-100 runners
Santa Monica, California
Rodeo Valley Trail Run
August 1, 2026
100-500 runners
Sausalito, California
August 1, 2026
100-500 runners
San Leandro, California
Skyline 50k logo
August 2, 2026
500-1000 runners
Castro Valley, California
Camarillo Marathon, Half Marathon, 10K & 5K logo
August 2, 2026
500-1000 runners
Camarillo, California
August 8, 2026
100-500 runners
Martinez, California
Noyo Headlands Race Marathon Half Marathon 10k & 5k logo
August 8, 2026
1-100 runners
Fort Bragg, California
Troy’s California Trail Runs logo
August 8, 2026
1-100 runners
Kit Carson, California
August 8, 2026
1-100 runners
Gilroy, California
Beer Creek
August 8, 2026
100-500 runners
Lafayette, California
Sundae Funday - Ice Cream Run 5K, 10K, and Half Marathon
August 9, 2026
100-500 runners
Long Beach, California
August 9, 2026
1-100 runners
Long Beach, California
August 9, 2026
1-100 runners
Long Beach, California
August 9, 2026
500-1000 runners
Shaver Lake, California
Humboldt Bay Marathon & Half Marathon logo
August 9, 2026
100-500 runners
Eureka, California
Better World Running Logo
August 15, 2026
100-500 runners
Long Beach, California
Troy’s California Trail Runs logo
August 15, 2026
100-500 runners
San Jose, California
TRON Night Run: Neon Grid Half Marathon in Canoga Park, CA, Urban, Park Run, River Path
August 15, 2026
1-100 runners
Canoga Park, California
August 15, 2026
100-500 runners
Fremont, California
August 15, 2026
100-500 runners
Oakland, 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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