Half marathons in California
39 upcoming half marathons in California, USA.
21 cities
Busiest: November
From €43
Upcoming races
Your guide to half marathons in California, USA
There are 39 upcoming half marathons in California, USA, spread across 21 cities. Filter by distance or terrain to narrow things down, and save the races you like the look of.
Most take place in November, October and December. Next up is PB&J Fuel Run 5K/10K/13.1 San Francisco - Half Marathon in San Francisco on 31 October 2026.
Questions runners ask
How many half marathons in California, USA are there?
Finndu lists 39 upcoming half marathons in California, USA, across 21 towns and cities. The list is updated twice a day as organisers announce new races.
When is the next one?
PB&J Fuel Run 5K/10K/13.1 San Francisco in San Francisco, on 31 October 2026.
Which month has the most half marathons in California, USA?
November, followed by October and December.
How much does it cost to enter?
Entry starts from US$50. Fees vary from race to race, so check each race page for its current price.