Running races in or near Thornton, IL
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Thornton, IL area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.
5K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-12-2027
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Blacklight Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 04-24-2027
Description: The Blacklight Run™ is none other than the brightest, most fun ...
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10K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-12-2027
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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5K Run/Walk - Timed (Personalized Bib Deadline is ...
Organization: United Neighborhood Organization
Date of Race: 10-31-2026
Description: Chicago’s Most Unique 5K Race Amid the lively ...
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Virtual 5K (Participate in your own location) - ...
Organization: United Neighborhood Organization
Date of Race: 10-31-2026
Description: Chicago’s Most Unique 5K Race Amid the lively ...
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Half Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-12-2027
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-12-2027
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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5K Run/Walk - Untimed
Organization: United Neighborhood Organization
Date of Race: 10-31-2026
Description: Chicago’s Most Unique 5K Race Amid the lively ...
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Blacklight Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...
Organization: Viral Run
Date of Race: 04-24-2027
Description: The Blacklight Run™ is none other than the brightest, most fun ...
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2027 Heartland Series - Day 3 (IN)
Organization: Mainly Marathons
Date of Race: 07-12-2027
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Blacklight Run | Chicago 2027
Organization: Viral Run
Date of Race: 04-24-2027
Description: The Blacklight Run™ is none other than the brightest, most fun ...
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2026 UNO Carrera De Los Muertos/Race of the ...
Organization: United Neighborhood Organization
Date of Race: 10-31-2026
Description: Chicago’s Most Unique 5K Race Amid the lively ...
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50K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-12-2027
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Holiday Turkey Shoot
Organization: Frankfort Park District
Date of Race: 11-23-2026
Description: DescriptionGet into the holiday spirit with a fun family-friendly free throw ...
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Puzzle Mania - Holiday Edition
Organization: Frankfort Park District
Date of Race: 12-11-2026
Description: DescriptionLooking for a fun evening with your family and friends before ...
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Mudhen 5k Trail Run - Mudhen 5k Trail ...
Organization: Chicago Park District
Date of Race: 03-13-2027
Description: Event details and schedule
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Mudhen 5k Trail Run at Big Marsh
Organization: Chicago Park District
Date of Race: 03-13-2027
Description: Event details and schedule
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Urban Adventure Hike (Chicago Riverwalk)
Organization: Girl Scouts of Greater Chicago & Northwest Indiana
Date of Race: 05-23-2027
Description: Registration will close on Sunday, May 16, 2027 at 11:59 PM.
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Tree Promise - Tree Planting and Sustaining ...
Organization: Girl Scouts of Greater Chicago & Northwest Indiana
Date of Race: 04-24-2027
Description: Registration will close on 4/11/2027 at 11:59pm Join us for ...
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S'mores Day (Joliet)
Organization: Girl Scouts of Greater Chicago & Northwest Indiana
Date of Race: 08-10-2027
Description: Registration will close on Tuesday, August 3, 2027 at 11:59 PM.
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Fun with Pickleball (Sunday) Fall 2 2026
Organization: Hot Shot Sports LLC
Date of Race: 11-01-2026
Description: Fun with Pickleball introduces children to the basics of pickleball while ...
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Apply Game Day Skills (4th-5th Grade, Tu/Th)
Organization: The Community House
Date of Race: 11-03-2026
Description: DescriptionGet game-day ready with Coach Zo ! This fun, non-contact football ...
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Build Game Day Skills (2nd-3rd Grade, Tu/Th)
Organization: The Community House
Date of Race: 11-03-2026
Description: DescriptionGet game-day ready with Coach Zo ! This fun, non-contact football ...
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Apply Game Day Skills (4th-5th Grade, Tu/Th)
Organization: The Community House
Date of Race: 11-03-2026
Description: DescriptionGet game-day ready with Coach Zo ! This fun, non-contact football ...
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Build Game Day Skills (2nd-3rd Grade, M/W)
Organization: The Community House
Date of Race: 11-02-2026
Description: DescriptionGet game-day ready with Coach Zo ! This fun, non-contact football ...
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Complete list of running events in and near Thornton, IL: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Thornton
About Thornton
Thornton (IL) is a village in Cook County with an estimated population of 2,338.[4]
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Did you know?
In 2014, there were more than 1,100 marathons and more than 541,000 finishers in the U.S.
