Half Marathons in Seattle, Washington

Browse all 31 upcoming Half Marathons in Seattle, Washington and compare all the nerdy details to find the best race for you.

Nerdy Details

Half Marathons in Seattle, Washington: By The Numbers

For the runners who check their splits more than their email, here are the nerdy details about all Half Marathons in Seattle, Washington 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 Seattle, Washington.

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    Total upcoming races

  • 0

    Races with registration open

  • September

    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 city for Half Marathons in Washington

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 Seattle, Washington

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

25 - 31 of 31 races found

Runner FAQs

Frequently Asked Questions About Half Marathons in Seattle, Washington

  • How many Half Marathons in Seattle, Washington are there?

    There are currently 31 upcoming Half Marathons in Seattle, Washington in our database. Race dates are scheduled from August through April 2027. Race data is updated daily.

  • When is the best time of year for running Half Marathons in Seattle, Washington?

    There is no bad month for a race, but September is the peak month for Half Marathons in Seattle, Washington with 5 races on the calendar that month.

  • How many Half Marathons in Seattle, Washington currently have open registration?

    31 of the 31 upcoming Half Marathons in Seattle, Washington 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 Seattle, Washington typically cost?

    Entry fees for Half Marathons in Seattle, Washington vary widely. The average entry fee is $42, though prices range from as low as $30 to as much as $183 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.