Running races in or near Saint Charles, MO
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Saint Charles, MO 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 - 5K Registration
Organization: Cahokia Mounds Museum Society
Date of Race: 11-08-2026
Description: Mark your calendars and plan to join us on Sunday, November ...
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Running-5K - Family 5K Registration
Organization: Cahokia Mounds Museum Society
Date of Race: 11-08-2026
Description: Mark your calendars and plan to join us on Sunday, November ...
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Bubble Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 08-15-2026
Description: If you’ve done a traditional 5K, you know they ...
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Bubble Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...
Organization: Viral Run
Date of Race: 08-15-2026
Description: If you’ve done a traditional 5K, you know they ...
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City of the Sun 5K Trail Run 2026
Organization: Cahokia Mounds Museum Society
Date of Race: 11-08-2026
Description: Mark your calendars and plan to join us on Sunday, November ...
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Bubble Run | St Louis 2026
Organization: Viral Run
Date of Race: 08-15-2026
Description: If you’ve done a traditional 5K, you know they ...
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Complete list of running events in and near Saint Charles, MO: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Saint Charles
About Saint Charles
Saint Charles (MO) is a city in Saint Charles County with an estimated population of 65,794.[4]
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Did you know?
In 2015, the 5K maintained the #1 position of all race distances with 7.6 million finishers (U.S.).
