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.
Run to Pub Fall Marathon Relay
Organization: Devine Nutrition Inc.
Date of Race: 11-08-2025
Description: Run to Pub Marathon Relay! Save the date for our ...
View Race Details View on Map
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 ...
View Race Details View on Map
Session 2: 10a-11:30am
Organization: Devine Nutrition Inc.
Date of Race: 11-16-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
View Race Details View on Map
Run to Pub Marathon Volunteer
Organization: Devine Nutrition Inc.
Date of Race: 11-09-2025
Description: Calling all volunteers We will need a variety of ...
View Race Details View on Map
Virtual 5K (Participate in your own location) - ...
Organization: United Neighborhood Organization
Date of Race: 11-01-2025
Description: Chicago’s Most Unique 5K Race Amid the lively ...
View Race Details View on Map
Sip, Sparkle, and Scent at The Candle Vault!
Organization: Devine Nutrition Inc.
Date of Race: 11-16-2025
Description: 💕 Girls Day Out at The Candle Vault! ✨ Event ...
View Race Details View on Map
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 ...
View Race Details View on Map
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 ...
View Race Details View on Map
Session 4: 12-1:30
Organization: Devine Nutrition Inc.
Date of Race: 11-16-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
View Race Details View on Map
Session 3: 11-12:30pm
Organization: Devine Nutrition Inc.
Date of Race: 11-16-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
View Race Details View on Map
5K Run/Walk - Timed (Personalized Bib Deadline is ...
Organization: United Neighborhood Organization
Date of Race: 11-01-2025
Description: Chicago’s Most Unique 5K Race Amid the lively ...
View Race Details View on Map
5K Run/Walk - Untimed
Organization: United Neighborhood Organization
Date of Race: 11-01-2025
Description: Chicago’s Most Unique 5K Race Amid the lively ...
View Race Details View on Map
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 ...
View Race Details View on Map
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 ...
View Race Details View on Map
Session 1: 9am-10:30am
Organization: Devine Nutrition Inc.
Date of Race: 11-16-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
View Race Details View on Map
2025 UNO Carrera De Los Muertos/Race of the ...
Organization: United Neighborhood Organization
Date of Race: 11-01-2025
Description: Chicago’s Most Unique 5K Race Amid the lively ...
View Race Details View on Map
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 ...
View Race Details View on Map
Puzzle Mania - Holiday Edition - Family & ...
Organization: Frankfort Park District
Date of Race: 12-12-2025
Description: DescriptionLooking for a fun evening with your family and friends before ...
View Race Details View on Map
'Wheels of Honor'
Organization: Village of Park Forest
Date of Race: 11-08-2025
Description: DescriptionThe Village ...
View Race Details View on Map
Puzzle Mania - Holiday Edition - Kids Only
Organization: Frankfort Park District
Date of Race: 12-12-2025
Description: DescriptionLooking for a fun evening with your family and friends before ...
View Race Details View on Map
5K Run/Walk - Late Registration - Untimed
Organization: United Neighborhood Organization
Date of Race: 11-01-2025
Description: Chicago’s Most Unique 5K Race Amid the lively ...
View Race Details View on Map
5K Run/Walk - Late Registration - Timed
Organization: United Neighborhood Organization
Date of Race: 11-01-2025
Description: Chicago’s Most Unique 5K Race Amid the lively ...
View Race Details View on Map
R2P Holiday Awards Party
Organization: Devine Nutrition Inc.
Date of Race: 12-12-2025
Description: Kicking it OLD SCHOOL this year! Join us for our annual ...
View Race Details View on Map
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]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
In 2014, 57% of marathon finishers in the U.S. were men; women made up 43% of finishers.
