10Ks in Colorado

Browse all 113 upcoming 10Ks in Colorado and compare all the nerdy details to find the best race for you.

Nerdy Details

10Ks in Colorado: By The Numbers

For the runners who check their splits more than their email, here are the nerdy details about all 10Ks in Colorado in the USA including peak month, race distance popularity, number of races with open registration, and even price range and average entry free across 10Ks in Colorado.

  • 0

    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 state for 10Ks

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 10Ks in Colorado

Browse all upcoming 10Ks in Colorado below. By default, races are sorted by soonest date. Feel free to narrow your search using race filters or searching by race name.

1 - 24 of 113 races found

Runner FAQs

Frequently Asked Questions About 10Ks in Colorado

  • How many 10Ks in Colorado are there?

    There are currently 113 upcoming 10Ks in Colorado in our database. Race dates are scheduled from August through July 2027. Race data is updated daily.

  • When is the best time of year for running 10Ks in Colorado?

    There is no bad month for a race, but September is the peak month for 10Ks in Colorado with 25 races on the calendar that month.

  • How many 10Ks in Colorado currently have open registration?

    102 of the 113 upcoming 10Ks in Colorado 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 10Ks in Colorado typically cost?

    Entry fees for 10Ks in Colorado vary widely. The average entry fee is $58, though prices range from as low as $10 to as much as $1025 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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