Page 2 - California Half Marathon Calendar

San Lorenzo River 50k Marathon 30k Half Marathon & 10k logo
July 11, 2026
100-500 runners
Santa Cruz, California
Endless Summer in the LBC 5K, 10K, and Half Marathon
July 11, 2026
100-500 runners
Long Beach, California
Beer City Half Bishop Ranch logo
July 11, 2026
100-500 runners
Alameda, California
Shoreline Marathon Half Marathon 10k & 5k logo
July 12, 2026
1,000-10,000 runners
Ventura, California
LBC Summer Breeze - 5K, 10K, 10 Miler and Half Marathon
July 12, 2026
100-500 runners
Long Beach, California
Brian Waterbury Memorial Rock to Pier Run
July 18, 2026
500-1000 runners
Morro Bay, California
July 18, 2026
100-500 runners
Castro Valley, California
Napa to Sonoma Wine Country Half Marathon logo
July 19, 2026
500-1000 runners
San Francisco, California
Cauliflow Runs Logo
July 19, 2026
500-1000 runners
Long Beach, California
July 25, 2026
500-1000 runners
July 26, 2026
1,000-10,000 runners
San Francisco, California
Rodeo Valley Trail Run
August 1, 2026
100-500 runners
Sausalito, California
Hell Of A Half Marathon & 2 Person Relay
August 1, 2026
100-500 runners
Exeter, California
August 1, 2026
100-500 runners
San Leandro, California
Camarillo Marathon, Half Marathon, 10K & 5K logo
August 2, 2026
500-1000 runners
Camarillo, California
Skyline 50k logo
August 2, 2026
500-1000 runners
Castro Valley, California
August 8, 2026
1-100 runners
Gilroy, California
Troy’s California Trail Runs logo
August 8, 2026
1-100 runners
Kit Carson, California
Beer Creek
August 8, 2026
100-500 runners
Lafayette, California
Noyo Headlands Race Marathon Half Marathon 10k & 5k logo
August 8, 2026
1-100 runners
Fort Bragg, 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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