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Upcoming California Half Marathons in Fremont

Looking for a half marathon in Fremont, California? Browse the most comprehensive Fremont half marathon calendar with each race history, course description, difficulty rating, finisher ranges, scenery, and what the race is perfect for like family-friendly or lots of crowd support.

You’ll also be able to find must-know race logistics like pricing, start time, and course maps.

Half marathons are always coming and going. If you don’t see a race on the Fremont half marathon calendar, you can contact us at [email protected].

Filter California Half Marathons

Filter California Half Marathons

Troy’s California Trail Runs logo
May 3, 2025
1-100 runners
San Jose, California
May 3, 2025
1-100 runners
Folsom, California
Bay Bridge Half Marathon logo
May 4, 2025
1,000-10,000 runners
Oakland, California
Sombrero Half Marathon 10k & 5k logo
May 4, 2025
1,000-10,000 runners
Santa Clarita, California
Windsor Run & Wine Half Marathon 10k & 5k logo
May 4, 2025
100-500 runners
Windsor, California
nitro trail logo
May 10, 2025
1-100 runners
Pinole, California
Sunrise Marathon
May 10, 2025
1-100 runners
San Francisco, California
Enviro-Sports logo
May 10, 2025
1-100 runners
Stinson Beach, California
May 10, 2025
1-100 runners
Berkeley, California
Enviro-Sports logo
May 10, 2025
1-100 runners
Stinson Beach, California
May 12, 2025
1-100 runners
Oakland, California
Troy’s California Trail Runs logo
May 17, 2025
1-100 runners
San Jose, California
May 31, 2025
1-100 runners
San Jose, California
May 31, 2025
100-500 runners
El Sobrante, California
June 1, 2025
500-1000 runners
San Jose, California
June 1, 2025
100-500 runners
Salinas, California
Lake Chabot Trail Challenge Half Marathon & 5K
June 1, 2025
100-500 runners
Castro Valley, California
June 1, 2025
1-100 runners
Oakland, California
Mt. Umunhum Ultras logo
June 7, 2025
1-100 runners
San Jose, California
San Lorenzo River 50k Marathon 30k Half Marathon & 10k logo
June 12, 2025
100-500 runners
Santa Cruz, 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 Marathon, Santa Rosa Half Marathon, and the Surf City Marathon amongst our favorites.

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