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.
Bubble Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...
Organization: Viral Run
Date of Race: 05-30-2026
Description: If you’ve done a traditional 5K, you know they ...
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5K Run/Walk - Timed Registrations
Organization: United Neighborhood Organization
Date of Race: 05-09-2026
Description: Set in Chicago's Midway area, La Carrera de las Madres 5Kbrings ...
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La Carrera de las Madres 2026
Organization: United Neighborhood Organization
Date of Race: 05-09-2026
Description: Set in Chicago's Midway area, La Carrera de las Madres 5Kbrings ...
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R2p Marathon Relay
Organization: Devine Nutrition Inc.
Date of Race: 10-24-2026
Description: Set in Chicago's Midway area, La Carrera de las Madres 5Kbrings ...
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Bubble Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 05-30-2026
Description: If you’ve done a traditional 5K, you know they ...
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Foam Glow - VIP Registration R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶9̶9̶.̶9̶5̶
Organization: Viral Run
Date of Race: 05-30-2026
Description: Foam Glow 5K™ is a fun filled experience exposing runners to ...
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Run to Pub Fall Marathon Relay
Organization: Devine Nutrition Inc.
Date of Race: 10-24-2026
Description: Run to Pub Marathon Relay Race! Join Run to Pub ...
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Bubble Run | Chicago 2026
Organization: Viral Run
Date of Race: 05-30-2026
Description: If you’ve done a traditional 5K, you know they ...
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Foam Glow | Chicago 2026
Organization: Viral Run
Date of Race: 05-30-2026
Description: Foam Glow 5K™ is a fun filled experience exposing runners to ...
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Foam Glow - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 05-30-2026
Description: Foam Glow 5K™ is a fun filled experience exposing runners to ...
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Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-13-2026
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Divas Half Marathon - Half Marathon- R̶e̶g̶u̶l̶a̶r̶ ̶P̶r̶i̶c̶e̶ ...
Organization: Run like a Diva
Date of Race: 09-19-2026
Description: More than ...
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Divas 5k - 5K- R̶e̶g̶u̶l̶a̶r̶ ̶P̶r̶i̶c̶e̶ ̶$̶8̶9̶.̶0̶0̶
Organization: Run like a Diva
Date of Race: 09-19-2026
Description: More than ...
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10K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-13-2026
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Half Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-13-2026
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Divas Chicago Half Marathon & 5k
Organization: Run like a Diva
Date of Race: 09-19-2026
Description: More than ...
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50K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-13-2026
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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5K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-13-2026
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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2026 Heartland Series - Day 3 (IN)
Organization: Mainly Marathons
Date of Race: 07-13-2026
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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26th Annual Short Run on a Long Day ...
Organization: Frankfort Park District
Date of Race: 06-17-2026
Description: Description$25 Pre-registration fee before 12:00 noon June 8$35 registration ...
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Run to Pub Marathon Volunteer
Organization: Devine Nutrition Inc.
Date of Race: 10-24-2026
Description: Calling all volunteers We will need a variety of ...
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Voluteer
Organization: Devine Nutrition Inc.
Date of Race: 10-24-2026
Description: Calling all volunteers We will need a variety of ...
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In Memory of Lawn Sign
Organization: Devine Nutrition Inc.
Date of Race: 10-03-2026
Description: Calling all volunteers We will need a variety of ...
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Palos Goes Pink!
Organization: Devine Nutrition Inc.
Date of Race: 10-03-2026
Description: Calling all volunteers We will need a variety of ...
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In Honor of Lawn Sign
Organization: Devine Nutrition Inc.
Date of Race: 10-03-2026
Description: Calling all volunteers We will need a variety of ...
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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?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
