Running races in or near Arnold, MO
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Arnold, 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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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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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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2026 Howlin' Hayride & Moonlight Movie
Organization: City of Belleville
Date of Race: 10-03-2026
Description: DescriptionJoin us for our annual fall tradition at the ...
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Price
Organization: The Wilson School
Date of Race: 11-10-2026
Description: DescriptionJoin us for our annual fall tradition at the ...
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New Year, New Pieces Puzzle Palooza (50Y+)
Organization: City of Belleville
Date of Race: 01-08-2027
Description: DescriptionNew Year, New Pieces! Join us for this special Puzzle Palooza ...
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Hot Cocoa Hustle
Organization: City of Belleville
Date of Race: 01-24-2027
Description: DescriptionWarm up this winter with the Hot Cocoa Hustle 2-mile fun ...
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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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Hocus Pocus Puzzle Palooza
Organization: City of Belleville
Date of Race: 10-16-2026
Description: DescriptionIt’s just a bunch of hocus pocus… and a whole ...
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Puzzle Palooza: Love is in the Pieces!
Organization: City of Belleville
Date of Race: 02-05-2027
Description: DescriptionPut your hearts together and race to the finish! Gather ...
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Turkey Trot Family Fun Run/Walk
Organization: Town & Country Parks and Recreation Department
Date of Race: 11-26-2026
Description: DescriptionTHANKSGIVING DAYThe first 300 registrations are guaranteed a shirt. Shirt ...
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Castlewood Adventure Race
Organization: Off Road Rage Adventures
Date of Race: 12-05-2026
Description: Named byTerrain Magazine’s Readers as theBest Adventure Racein the area, theCastlewood ...
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Spring Training 2- Robat ages 7-9
Organization: City of Belleville
Date of Race: 03-10-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Spring Training 1- T-ball ages 5-7
Organization: City of Belleville
Date of Race: 02-03-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Spring Training 1- Robat ages 7-9
Organization: City of Belleville
Date of Race: 02-03-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Spring Training 1- T-ball ages 5-7
Organization: City of Belleville
Date of Race: 02-03-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Spring Training 1- T-ball ages 5-7
Organization: City of Belleville
Date of Race: 02-03-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Spring Training 2- Robat ages 7-9
Organization: City of Belleville
Date of Race: 03-10-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Spring Training 2- T-Ball ages 5-7
Organization: City of Belleville
Date of Race: 03-10-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Spring Training 1- Robat ages 7-9
Organization: City of Belleville
Date of Race: 02-03-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Spring Training 1- Robat ages 7-9
Organization: City of Belleville
Date of Race: 02-03-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Spring Training 2- T-Ball ages 5-7
Organization: City of Belleville
Date of Race: 03-10-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Spring Training 2- T-Ball ages 5-7
Organization: City of Belleville
Date of Race: 03-10-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Spring Training 2- Robat ages 7-9
Organization: City of Belleville
Date of Race: 03-10-2027
Description: DescriptionGet ready to hit the field! Our Youth Baseball Spring ...
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Complete list of running events in and near Arnold, MO: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Arnold
About Arnold
Arnold (MO) is a city in Jefferson County with an estimated population of 20,808.[4]
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Did you know?
In 2014, 57% of marathon finishers in the U.S. were men; women made up 43% of finishers.
