5Ks in Illinois

Browse all 481 upcoming 5Ks in Illinois and compare all the nerdy details to find the best race for you.

Nerdy Details

5Ks in Illinois: By The Numbers

For the runners who check their splits more than their email, here are the nerdy details about all 5Ks in Illinois in the USA including peak month, race distance popularity, number of races with open registration, and even price range and average entry free across 5Ks in Illinois.

  • 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 5Ks

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 5Ks in Illinois

Browse all upcoming 5Ks in Illinois below. By default, races are sorted by soonest date. Feel free to narrow your search using race filters or searching by race name.

25 - 48 of 495 races found

Runner FAQs

Frequently Asked Questions About 5Ks in Illinois

  • How many 5Ks in Illinois are there?

    There are currently 481 upcoming 5Ks in Illinois in our database. Race dates are scheduled from June through February 2032. Race data is updated daily.

  • When is the best time of year for running 5Ks in Illinois?

    There is no bad month for a race, but September is the peak month for 5Ks in Illinois with 119 races on the calendar that month.

  • How many 5Ks in Illinois currently have open registration?

    403 of the 481 upcoming 5Ks in Illinois 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 5Ks in Illinois typically cost?

    Entry fees for 5Ks in Illinois vary widely. The average entry fee is $48, though prices range from as low as $3 to as much as $2500 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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