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.
10K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-14-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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50K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-14-2025
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: 07-14-2025
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: 07-14-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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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 ...
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Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 07-14-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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R2p Marathon Relay
Organization: Devine Nutrition Inc.
Date of Race: 11-08-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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2025 Heartland Series - Day 3 (IN)
Organization: Mainly Marathons
Date of Race: 07-14-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Puzzlers Paradise - Puzzle Contest & Lunch
Organization: The Community House
Date of Race: 05-15-2025
Description: DescriptionJoin us on May 15th and Unleash your inner puzzle ...
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Puzzle Mania - Family & Friends/All Ages
Organization: Frankfort Park District
Date of Race: 02-21-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Puzzle Mania - Kids Only /5-13 yrs
Organization: Frankfort Park District
Date of Race: 02-21-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Puzzle Mania - Kids Only /5-13 yrs
Organization: Frankfort Park District
Date of Race: 02-21-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Puzzle Mania - Kids Only /5-13 yrs
Organization: Frankfort Park District
Date of Race: 02-21-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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The History of the Kentucky Derby by Leslie ...
Organization: The Community House
Date of Race: 04-29-2025
Description: DescriptionPut on your fancy Hat & get ready to learn ...
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Puzzle Mania - Family & Friends/All Ages
Organization: Frankfort Park District
Date of Race: 02-21-2025
Description: DescriptionLooking for a fun evening with your family and friends? Put ...
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Mini Ninja Warriors (Saturday)
Organization: Hot Shot Sports LLC
Date of Race: 02-08-2025
Description: Leap, hop, skip, run your way through obstacles and put your ...
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Puzzle Mania - Family & Friends/All Ages
Organization: Frankfort Park District
Date of Race: 02-21-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Puzzle Mania - Family & Friends/All Ages
Organization: Frankfort Park District
Date of Race: 02-21-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Puzzle Mania - Kids Only /5-13 yrs
Organization: Frankfort Park District
Date of Race: 02-21-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Puzzle Mania - Kids Only /5-13 yrs
Organization: Frankfort Park District
Date of Race: 02-21-2025
Description: DescriptionLooking for a fun evening with your family and friends? Put ...
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2025 Earth Day Major Taylor Trail Clean Up ...
Organization: Major Taylor Trail Keepers Chicago
Date of Race: 04-26-2025
Description: This year’s Earth Day Major Taylor Trail cleanup will start at ...
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2025 End of Season Major Taylor Trail Clean ...
Organization: Major Taylor Trail Keepers Chicago
Date of Race: 08-23-2025
Description: This year’s End of Season Major Taylor Trail cleanup will start ...
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Puzzle Mania - Family & Friends/All Ages
Organization: Frankfort Park District
Date of Race: 02-21-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Adult-tot Ninja Warriors (Saturday)
Organization: Hot Shot Sports LLC
Date of Race: 02-08-2025
Description: Leap, hop, skip, run your way through obstacles and put your ...
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Puzzle Mania - Kids Only /5-13 yrs
Organization: Frankfort Park District
Date of Race: 02-21-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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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.
