Running races in or near Williamson, IL
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Williamson, 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.
11th Annual 5-O 5K Donut Run/Walk Presented by ...
Organization: Collinsville Police Department Special Olympics
Date of Race: 07-25-2026
Description: Join the 5-O 5K Donut Run for a Sweet Cause! 🍩🏃♂️ ...
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Open Virtual Running - 19 and Older - ...
Organization: Collinsville Police Department Special Olympics
Date of Race: 07-25-2026
Description: Join the 5-O 5K Donut Run for a Sweet Cause! 🍩🏃♂️ ...
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Junior Virtual 5K - 0-18 - Individual Age ...
Organization: Collinsville Police Department Special Olympics
Date of Race: 07-25-2026
Description: Join the 5-O 5K Donut Run for a Sweet Cause! 🍩🏃♂️ ...
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Open 5-O 5K Run/Walk - 19 and OIder ...
Organization: Collinsville Police Department Special Olympics
Date of Race: 07-25-2026
Description: Join the 5-O 5K Donut Run for a Sweet Cause! 🍩🏃♂️ ...
View Race Details View on Map
Junior 5-O 5K Run/Walk - 0-18 - Junior ...
Organization: Collinsville Police Department Special Olympics
Date of Race: 07-25-2026
Description: Join the 5-O 5K Donut Run for a Sweet Cause! 🍩🏃♂️ ...
View Race Details View on Map
Complete list of running events in and near Williamson, IL: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Williamson
About Williamson
Williamson (IL) is a village in Madison County with an estimated population of 230.[4]
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In 2014, there were more than 1,100 marathons and more than 541,000 finishers in the U.S.
