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Races in Waterloo, IL

Running races in or near Waterloo, IL

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more

See below for a frequently-updated, comprehensive list of upcoming running events in the local Waterloo, 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.

FitnessMatchmaker.com

Running-5K - Individual Age group/open

Organization: St. Clare Oktoberfest

Date of Race: 09-27-2025

Description: Event details and schedule

Howling Habitat 5K - Kids 9-12

Organization: O'Fallon's Habitat For Humanity

Date of Race: 10-25-2025

Description: Habitat for Humanity is hosting our 10th annual 5K run October ...

Howling Habitat 5K - Adults

Organization: O'Fallon's Habitat For Humanity

Date of Race: 10-25-2025

Description: Habitat for Humanity is hosting our 10th annual 5K run October ...

Howling Habitat 5K

Organization: O'Fallon's Habitat For Humanity

Date of Race: 10-25-2025

Description: Habitat for Humanity is hosting our 10th annual 5K run October ...

Howling Habitat 5K - Kids 8 and under

Organization: O'Fallon's Habitat For Humanity

Date of Race: 10-25-2025

Description: Habitat for Humanity is hosting our 10th annual 5K run October ...

Howling Habitat 5K - Howling Habitat 5K

Organization: O'Fallon's Habitat For Humanity

Date of Race: 10-25-2025

Description: Habitat for Humanity is hosting our 10th annual 5K run October ...

*CANCELLED* Missouri 2025

Organization: Tough Mudder US

Date of Race: 08-16-2025

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

Oktoberfest 5K Rennen & Weg 2025

Organization: St. Clare Oktoberfest

Date of Race: 09-27-2025

Description: Event details and schedule

Candy Rush Run

Organization: City of Belleville

Date of Race: 08-16-2025

Description: DescriptionCalling all young runners! Join us for our very first Youth-Only ...

Walking-5K - Individual Age group/open

Organization: St. Clare Oktoberfest

Date of Race: 09-27-2025

Description: Event details and schedule

Running-Kids Fun Run (10 an Under) - Individual ...

Organization: St. Clare Oktoberfest

Date of Race: 09-27-2025

Description: Event details and schedule

October 17th

Organization: The Wilson School

Date of Race: 10-17-2025

Description: Event details and schedule

FitnessMatchmaker.com

Complete list of running events in and near Waterloo, IL: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.


More information about Waterloo

About Waterloo

Waterloo (IL) is a city in Monroe County with an estimated population of 9,811.[4]

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Did you know?

In 2014, there were more than 1,100 marathons and more than 541,000 finishers in the U.S.

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