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Races in Cool Valley, MO

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.

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City of the Sun 5K Trail Run - ...

Organization: Cahokia Mounds Museum Society

Date of Race: 11-03-2024

Description: Mark your calendars and plan to join us ...

5k Age 15 and Over - Individual 5k ...

Organization: Alton Road Runners Club

Date of Race: 11-30-2024

Description: For 65 years people have been gathering the Saturday after Thankssgiving ...

Kids' Fun Run at 8:45am (Run around Public ...

Organization: O'Fallon's Habitat For Humanity

Date of Race: 10-26-2024

Description: COSTUME CONTEST, 5K RUN/WALK, KID'S FUN RUN!! ...

Family Registration $125.00 (2 adult & 2 kids ...

Organization: O'Fallon's Habitat For Humanity

Date of Race: 10-26-2024

Description: COSTUME CONTEST, 5K RUN/WALK, KID'S FUN RUN!! ...

City of the Sun 5K Trail Run - ...

Organization: Cahokia Mounds Museum Society

Date of Race: 11-03-2024

Description: Mark your calendars and plan to join us ...

5k - Age 14 and Under - Individual ...

Organization: Alton Road Runners Club

Date of Race: 11-30-2024

Description: For 65 years people have been gathering the Saturday after Thankssgiving ...

Turkey Trot 2024

Organization: SUNSET HILLS PARKS & RECREATION

Date of Race: 11-28-2024

Description: Description8:00am -Thursday, November 28th - 801 Old Gravois Sunset Hills, MO ...

Run/Walk-5K - (8:00am) - 5K Run/Walk

Organization: O'Fallon's Habitat For Humanity

Date of Race: 10-26-2024

Description: COSTUME CONTEST, 5K RUN/WALK, KID'S FUN RUN!! ...

10 Mile all ages - Individual 10 Mile ...

Organization: Alton Road Runners Club

Date of Race: 11-30-2024

Description: For 65 years people have been gathering the Saturday after Thankssgiving ...

City of the Sun 5K Trail Run 2024

Organization: Cahokia Mounds Museum Society

Date of Race: 11-03-2024

Description: Mark your calendars and plan to join us ...

Howling Habitat 5K /Kids Fun Run

Organization: O'Fallon's Habitat For Humanity

Date of Race: 10-26-2024

Description: COSTUME CONTEST, 5K RUN/WALK, KID'S FUN RUN!! ...

65th Great River Road Run

Organization: Alton Road Runners Club

Date of Race: 11-30-2024

Description: For 65 years people have been gathering the Saturday after Thankssgiving ...

Puzzle Palooza-Halloween Fun

Organization: City of Belleville

Date of Race: 10-19-2024

Description: DescriptionGrab your friends or family and join us for this edition ...

Saturday - August 16, 2025 - TM 15K ...

Organization: Tough Mudder US

Date of Race: 08-16-2025

Description: Tough Mudder is more than just an obstacle course. Built on ...

Sunday - August 17, 2025 - Spectator & ...

Organization: Tough Mudder US

Date of Race: 08-16-2025

Description: Tough Mudder is more than just an obstacle course. Built on ...

Saturday - August 16, 2025 - TM 5K ...

Organization: Tough Mudder US

Date of Race: 08-16-2025

Description: Tough Mudder is more than just an obstacle course. Built on ...

Howl at the Moon 5k Run/Walk

Organization: City of O'Fallon, Parks and Recreation

Date of Race: 11-15-2024

Description: DescriptionJoin us in a fun night of running during the full ...

Sunday - August 17, 2025 - TM 15K ...

Organization: Tough Mudder US

Date of Race: 08-16-2025

Description: Tough Mudder is more than just an obstacle course. Built on ...

Sunday - August 17, 2025 - TM 5K ...

Organization: Tough Mudder US

Date of Race: 08-16-2025

Description: Tough Mudder is more than just an obstacle course. Built on ...

Saturday - August 16, 2025 - TM 15K ...

Organization: Tough Mudder US

Date of Race: 08-16-2025

Description: Tough Mudder is more than just an obstacle course. Built on ...

Sunday - August 17, 2025 - TM 5K ...

Organization: Tough Mudder US

Date of Race: 08-16-2025

Description: Tough Mudder is more than just an obstacle course. Built on ...

Saturday - August 16, 2025 - TM 5K ...

Organization: Tough Mudder US

Date of Race: 08-16-2025

Description: Tough Mudder is more than just an obstacle course. Built on ...

Turkey Trot Family Fun Run/Walk

Organization: Town & Country Parks and Recreation Department

Date of Race: 11-28-2024

Description: DescriptionNEW DATE!THANKSGIVING DAYPre-registration through noon on November 27. Shirt guaranteed if ...

Sunday - August 17, 2025 - TM 15K ...

Organization: Tough Mudder US

Date of Race: 08-16-2025

Description: Tough Mudder is more than just an obstacle course. Built on ...

Saturday - August 16, 2025 - TM 15K ...

Organization: Tough Mudder US

Date of Race: 08-16-2025

Description: Tough Mudder is more than just an obstacle course. Built on ...

Road Runner Sports

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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In 2015, the 5K maintained the #1 position of all race distances with 7.6 million finishers (U.S.).

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