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Half Marathons in California

  1. Races by State
  2. California
  3. Half Marathon

Browse Half Marathon races in California, including upcoming races and races up to one year past their event date. Sort by highest rating or number of reviews to elevate the most popular races.

For each Half Marathon race, you’ll find key details, finisher ratings and reviews, photos, videos, related articles, race-day weather data and a link to register.

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Showing Half Marathons in California

Armed Forces Half Marathon & First Responders 5K
Lafayette, CA | May 24, 2025

OVERALL

(2 ratings)

3.5
City of Laguna Hills Memorial Day Half Marathon, 5K & 10K
Laguna Hills, CA | May 26, 2025

OVERALL

(20 ratings)

4.1
Beer City Half San Jose
San Jose, CA | May 31, 2025

OVERALL

(1 rating)

4
Calero Trail Run (Spring)
San Jose, CA | May 31, 2025

OVERALL

(0 ratings)

0
Finish the Run Griffith Park
Los Angeles, CA | May 31, 2025

OVERALL

(0 ratings)

0
Rock ‘n’ Roll San Diego
San Diego, CA | May 31, 2025 – Jun 1, 2025

OVERALL

(87 ratings)

4.1
San Jose Half Marathon & 8K
San Jose, CA | May 31, 2025 – Jun 1, 2025

OVERALL

(15 ratings)

4.3
Sonoma Coast Trail Runs
Duncans Mills, CA | May 31, 2025

OVERALL

(0 ratings)

0
Wildcat Half Marathon, 10K & 5K 🏆
El Sobrante, CA | May 31, 2025

OVERALL

(43 ratings)

4.8
Cinderella Trail Run
Oakland, CA | Jun 1, 2025

OVERALL

(6 ratings)

4.2
Lake Chabot Trail Challenge Half Marathon & 5K
Castro Valley, CA | Jun 1, 2025

OVERALL

(5 ratings)

4
Spartan Toro Park Trail Run
Salinas, CA | Jun 1, 2025

OVERALL

(0 ratings)

0
Vibha Bay Area Dream Mile
Fremont, CA | Jun 1, 2025

OVERALL

(9 ratings)

4.1
China Camp Trail Run
San Rafael, CA | Jun 7, 2025

OVERALL

(1 rating)

3
Fontana Days Run
Fontana, CA | Jun 7, 2025

OVERALL

(8 ratings)

4.5
Grasshopper Peak Redwoods Run
Weott, CA | Jun 7, 2025

OVERALL

(0 ratings)

0
Malibu Canyon Trail Races
Malibu, CA | Jun 7, 2025

OVERALL

(0 ratings)

0
Mt. Umunhum Ultras
San Jose, CA | Jun 7, 2025

OVERALL

(0 ratings)

0
Nike After Dark Tour Los Angeles 13.1
Inglewood, CA | Jun 7, 2025

OVERALL

(0 ratings)

0
Ventura Beachfront Run
Ventura, CA | Jun 7, 2025

OVERALL

(2 ratings)

4.5

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