Upcoming Half Marathons in California

Endurance Grid lists two hundred eighty half marathons in California, from July 2026 to July 2027 across 78 cities.

280
Races
78
Cities
16
Sports

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Running races in California

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Frequently Asked Questions (FAQs)

How many half marathons are in California?+
Endurance Grid's Race Calendar lists 280 upcoming half marathons in California, in 78 cities, from July 2026 to July 2027.
How long is a half marathon?+
A half marathon is 13.1 miles (21.1 kilometers).
Which California cities host half marathons?+
Half marathons in California are held in Long Beach, Los Angeles, San Diego, Sacramento, San Francisco, San Mateo, Huntington Beach, Canoga Park, Bakersfield, and Fort Bragg, plus 68 other cities.
What other race distances are available in California?+
Beyond half marathon, California races cover a wide range of distances. California also has 5Ks, 10Ks, and marathons for running races. Additionally, Endurance Grid's Race Calendar also covers other sports, with adventure, aquabike, road cycling, duathlon, gravel, HYROX, mountain bike, obstacle course, paddle, rucking, running, swimming, swimrun, trail running, triathlon, and ultra races of various distances.