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.
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
11th Annual 5-O 5K Donut Run/Walk
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
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! 🍩🏃♂️ ...
View Race Details View on Map
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! 🍩🏃♂️ ...
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]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
