Running races in or near Oswego, IL
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Oswego, 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.
Fluid Running Tuesday 9am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-17-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Friday 8am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-20-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Tuesday 9am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-17-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Wednesday 8am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-18-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Friday 8am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-20-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Monday 8am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-16-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Wednesday 8am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-18-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Monday 8am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-16-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Wednesday 8am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-18-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Monday 8am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-16-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Friday 8am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-20-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Tuesday 9am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-17-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Running-5K - Individual Registration
Organization: Hanover Township
Date of Race: 05-02-2026
Description: Mark your calendars and get ready to Sprint2 Spring ...
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We Got Game Sprint & Stride Track Stars ...
Organization: Schaumburg Park District
Date of Race: 03-23-2026
Description: DescriptionFind your speed, stamina, and strength! ...
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Habitat Heroes: Project Churchill
Organization: Glen Ellyn Park District
Date of Race: 02-14-2026
Description: DescriptionHelp us accomplish our habitat restoration mission for 2026. This ...
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Movie -Springsteen: Deliver Me from Nowhere
Organization: OAK BROOK PARK DISTRICT
Date of Race: 05-12-2026
Description: DescriptionDeliver ...
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Naperville Women's 5K - 5k - Individual
Organization: 10xEM LLC
Date of Race: 04-19-2026
Description: The 9th Annual Naperville Women’s Half Marathon 5k ...
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Waiver - For Children in Jogging Stroller - ...
Organization: 10xEM LLC
Date of Race: 04-19-2026
Description: The 9th Annual Naperville Women’s Half Marathon 5k ...
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Naperville Women's Half Marathon - Half - Individual
Organization: 10xEM LLC
Date of Race: 04-19-2026
Description: The 9th Annual Naperville Women’s Half Marathon 5k ...
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We Got Game Sprint & Stride Track Stars ...
Organization: Schaumburg Park District
Date of Race: 03-23-2026
Description: DescriptionFind your speed, stamina, and strength! ...
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Fluid Running Thursday Senior Class 9:00am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-19-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Thursday Senior Class 9:00am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-19-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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Fluid Running Thursday Senior Class 9:00am
Organization: OAK BROOK PARK DISTRICT
Date of Race: 02-19-2026
Description: DescriptionWant a really good workout without hitting the pavement? Looking for ...
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2026 Naperville Women's Half Marathon and 5K
Organization: 10xEM LLC
Date of Race: 04-19-2026
Description: The 9th Annual Naperville Women’s Half Marathon 5k ...
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Hanover Township Sprint 2 Spring 5k 2026
Organization: Hanover Township
Date of Race: 05-02-2026
Description: Mark your calendars and get ready to Sprint2 Spring ...
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Complete list of running events in and near Oswego, IL: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Oswego
About Oswego
Oswego (IL) is a village in Kendall County with an estimated population of 30,355.[4]
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Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
