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Upcoming Half Marathons Near Irvine, CA

Looking for a half marathon in Irvine, California? Browse the most comprehensive Irvine 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 Irvine half marathon calendar, you can contact us at [email protected].

Filter California Half Marathons

Filter California Half Marathons

Disney Run Logo
February 1, 2026
10,000+ runners
Anaheim, California
Surf City Marathon Logo
February 1, 2026
100-500 runners
Huntington Beach, California
February 7, 2026
100-500 runners
Long Beach, California
The HEART RUN Half Marathon & 5K Logo
February 14, 2026
100-500 runners
Huntington Beach, California
Super Sunday 5k Half Crazy Half Marathon logo
February 14, 2026
100-500 runners
Irvine, California
Run Through USA logo
February 15, 2026
500-1000 runners
Long Beach, California
SOCAL Marathon Half Marathon 10k & 5k logo
February 28, 2026
100-500 runners
Huntington Beach, California
Bayshore Triathlon Half Marathon logo
March 7, 2026
100-500 runners
Long Beach, California
Beer City Half Bishop Ranch logo
March 21, 2026
500-1000 runners
Long Beach, California
March 29, 2026
1-100 runners
Long Beach, California
Totally 80's Fast Times in Huntington Beach 5K, 10K, & Half Marathon banner
April 12, 2026
1-100 runners
Huntington Beach, California
May 3, 2026
100-500 runners
Long Beach, California
May 3, 2026
10,000+ runners
Costa Mesa, California
Run for the Rose logo
May 10, 2026
1-100 runners
Long Beach, California
May 10, 2026
100-500 runners
Long Beach, California
Seabreeze Half Marathon logo
May 22, 2026
1-100 runners
Long Beach, California
May 24, 2026
1-100 runners
Long Beach, California
May 25, 2026
1-100 runners
Laguna Hills, California
May 31, 2026
100-500 runners
Long Beach, California
Father's Day 5k, 10k, 15k, Half Marathon Long Beach
June 14, 2026
1-100 runners
Long Beach, 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 MarathonSanta Rosa Half Marathon, and the Surf City Marathon amongst our favorites.

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