Half Marathons in California

Browse all 300 upcoming Half Marathons in California and compare all the nerdy details to find the best race for you.

Nerdy Details

Half Marathons in California: By The Numbers

For the runners who check their splits more than their email, here are the nerdy details about all Half Marathons in California in the USA including peak month, race distance popularity, number of races with open registration, and even price range and average entry free across Half Marathons in California.

  • 0

    Total upcoming races

  • 0

    Races with registration open

  • October

    Peak month by race count

  • 0

    Races in peak month

  • $0

    Minimum entry fee discovered

  • $0

    Maximum entry fee discovered

  • $0

    Average entry fee calculated

  • #0

    Most popular state for Half Marathons

Nerdrunner race data is updated daily. Prices may include sampled data for popular race categories. Popularity rank determined by race count.

Find Your Next Race

Browse All Upcoming Half Marathons in California

Browse all upcoming Half Marathons in California below. By default, races are sorted by soonest date. Feel free to narrow your search using race filters or searching by race name.

121 - 144 of 300 races found

Runner FAQs

Frequently Asked Questions About Half Marathons in California

  • How many Half Marathons in California are there?

    There are currently 300 upcoming Half Marathons in California in our database. Race dates are scheduled from August through June 2028. Race data is updated daily.

  • When is the best time of year for running Half Marathons in California?

    There is no bad month for a race, but October is the peak month for Half Marathons in California with 45 races on the calendar that month.

  • How many Half Marathons in California currently have open registration?

    279 of the 300 upcoming Half Marathons in California in our database currently have open registration. Registration windows vary — some races open entries more than a year in advance, while others don’t open until a few weeks before race day.

  • How much do Half Marathons in California typically cost?

    Entry fees for Half Marathons in California vary widely. The average entry fee is $54, though prices range from as low as $1 to as much as $1000 depending on the race, location, swag, and when you register. Signing up early almost always gets you the best price. Note that our price estimates may include sampled data, especially for large datasets.

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Most Popular Cities For Half Marathons Race Locations In California

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