Running races in or near Cool Valley, MO
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Cool Valley, 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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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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Read, Right, Run Running Club 2025-2026
Organization: The Wilson School
Date of Race: 11-10-2026
Description: The Read Right Run Running Club is open to students in ...
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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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Blacklight Run | St Louis 2027
Organization: Viral Run
Date of Race: 04-17-2027
Description: The Blacklight Run™ is none other than the brightest, most fun ...
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Bubble Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...
Organization: Viral Run
Date of Race: 06-05-2027
Description: If you’ve done a traditional 5K, you know they ...
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Run/Walk-5K - (8:00am) - 5K Run/Walk
Organization: O'Fallon's Habitat For Humanity
Date of Race: 10-30-2027
Description: COSTUME CONTEST, 5K RUN/WALK, KID'S FUN RUN!! ...
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Blacklight Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...
Organization: Viral Run
Date of Race: 04-17-2027
Description: The Blacklight Run™ is none other than the brightest, most fun ...
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Blacklight Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 04-17-2027
Description: The Blacklight Run™ is none other than the brightest, most fun ...
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The Color Run - Exclusive VIP Registration - ...
Organization: The Color Run (Event Lab)
Date of Race: 05-08-2027
Description: The Color Run is the happiest, most ...
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Bubble Run | St. Louis 2027
Organization: Viral Run
Date of Race: 06-05-2027
Description: If you’ve done a traditional 5K, you know they ...
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Color Run | St. Louis 2027
Organization: The Color Run (Event Lab)
Date of Race: 05-08-2027
Description: The Color Run is the happiest, most ...
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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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Howling Habitat 5K/Fun Run 2027 Event
Organization: O'Fallon's Habitat For Humanity
Date of Race: 10-30-2027
Description: COSTUME CONTEST, 5K RUN/WALK, KID'S FUN RUN!! ...
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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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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 ...
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Kids' Fun Run at 8:45am (Run around Public ...
Organization: O'Fallon's Habitat For Humanity
Date of Race: 10-30-2027
Description: COSTUME CONTEST, 5K RUN/WALK, KID'S FUN RUN!! ...
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Family Registration $110 (2 adult & 2 kids ...
Organization: O'Fallon's Habitat For Humanity
Date of Race: 10-30-2027
Description: COSTUME CONTEST, 5K RUN/WALK, KID'S FUN RUN!! ...
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The Color Run - Value Registration R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...
Organization: The Color Run (Event Lab)
Date of Race: 05-08-2027
Description: The Color Run is the happiest, most ...
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Bubble Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 06-05-2027
Description: If you’ve done a traditional 5K, you know they ...
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12 & Under Running-5K (start 8:00am) - 12yr ...
Organization: O'Fallon's Habitat For Humanity
Date of Race: 10-30-2027
Description: COSTUME CONTEST, 5K RUN/WALK, KID'S FUN RUN!! ...
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Puzzle Palooza: Wrapping up the Pieces
Organization: City of Belleville
Date of Race: 12-11-2026
Description: DescriptionDive into this holiday edition of our fan-favorite Puzzle Palooza. Teams ...
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Complete list of running events in and near Cool Valley, MO: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Cool Valley
About Cool Valley
Cool Valley (MO) is a city in Saint Louis County with an estimated population of 1,196.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
