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.
NickFest-5K - NickFest 5K
Organization: St. Nicholas Catholic Church O'Fallon, IL
Date of Race: 05-17-2025
Description: OPEN COURSE runs through O’Fallon residential streets near St. Nicholas Church ...
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NickFest 5K and Kid's Fun Run
Organization: St. Nicholas Catholic Church O'Fallon, IL
Date of Race: 05-17-2025
Description: OPEN COURSE runs through O’Fallon residential streets near St. Nicholas Church ...
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Kids Fun Run - Kids Fun Run, ages ...
Organization: St. Nicholas Catholic Church O'Fallon, IL
Date of Race: 05-17-2025
Description: OPEN COURSE runs through O’Fallon residential streets near St. Nicholas Church ...
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*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 ...
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6 Year Celebration 5k
Organization: Fairview Heights Parks and Recreation
Date of Race: 05-03-2025
Description: Description6 Year Celebration 5kCelebrate 6 years of REC Strong with a ...
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Running-5K - Individual Age group/open
Organization: O'Fallon's Habitat For Humanity
Date of Race: 10-25-2025
Description: Event details and schedule
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Howling Habitat 5K
Organization: O'Fallon's Habitat For Humanity
Date of Race: 10-25-2025
Description: Event details and schedule
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Walking-1K - Individual Age group/open
Organization: O'Fallon's Habitat For Humanity
Date of Race: 10-25-2025
Description: Event details and schedule
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Doggy 'Egg' Hunt
Organization: Fairview Heights Parks and Recreation
Date of Race: 04-05-2025
Description: Description Doggy "Egg" HuntYour dog ...
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Doggy 'Egg' Hunt
Organization: Fairview Heights Parks and Recreation
Date of Race: 04-05-2025
Description: Description Doggy "Egg" HuntYour dog ...
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Doggy 'Egg' Hunt
Organization: Fairview Heights Parks and Recreation
Date of Race: 04-05-2025
Description: Description Doggy "Egg" HuntYour dog ...
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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 2015, the 5K maintained the #1 position of all race distances with 7.6 million finishers (U.S.).
