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.
Running-5K - Individual / age 15 & Over
Organization: Alton Road Runners Club
Date of Race: 11-28-2026
Description: 10 mile and 5k are out and back on the Great ...
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Running-10 Mile - Individual Age group/open
Organization: Alton Road Runners Club
Date of Race: 11-28-2026
Description: 10 mile and 5k are out and back on the Great ...
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Running-5K / 14 and Under - Individual / ...
Organization: Alton Road Runners Club
Date of Race: 11-28-2026
Description: 10 mile and 5k are out and back on the Great ...
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The 67th Great River Road Run
Organization: Alton Road Runners Club
Date of Race: 11-28-2026
Description: 10 mile and 5k are out and back on the Great ...
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VIRTUAL-10 Mile - VIRTUAL Individual Age group/open
Organization: Alton Road Runners Club
Date of Race: 11-28-2026
Description: 10 mile and 5k are out and back on the Great ...
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VIRTUAL-5K - VIRTUAL Individual Age group/open
Organization: Alton Road Runners Club
Date of Race: 11-28-2026
Description: 10 mile and 5k are out and back on the Great ...
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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Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
