Running races in or near Cortland, IL
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Cortland, 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.
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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All Star Runners - Spring
Organization: Oswegoland Park District
Date of Race: 04-15-2026
Description: DescriptionNew runners and elite runners are welcome in this class designed ...
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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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PrairieFest Parade - Political Entry
Organization: Oswegoland Park District
Date of Race: 06-21-2026
Description: DescriptionParade Entry - Political (Any entry relating to the election of ...
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PrairieFest Local Artisan Showcase
Organization: Oswegoland Park District
Date of Race: 06-18-2026
Description: DescriptionBack in 2026-The PrairieFest Local Artisan Showcase sponsored by the Oswego ...
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Beep Bingo & Tailgating
Organization: Oswegoland Park District
Date of Race: 05-01-2026
Description: DescriptionTake in fresh air and fun on a beautiful spring night.
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Puzzle Palooza - Family Edition
Organization: Oswegoland Park District
Date of Race: 04-18-2026
Description: DescriptionEnjoy a cozy fun-filled event for all ages! Teams of 2-4 ...
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Mother's Day Wildflower Walk
Organization: McHenry County Conservation District
Date of Race: 05-10-2026
Description: DescriptionGive the gift of a woods full of flowers! Celebrate Mother's ...
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PrairieFest Food Vendor Application
Organization: Oswegoland Park District
Date of Race: 06-18-2026
Description: DescriptionEach year, PrairieFest cultivates a list of amazing food vendors. Filling ...
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Saw Wee Kee Summer Trail Run
Organization: Oswegoland Park District
Date of Race: 06-06-2026
Description: DescriptionWe're sorry, but online registration is not allowed for this ...
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PrairieFest 5K Run
Organization: Oswegoland Park District
Date of Race: 06-21-2026
Description: DescriptionWe're sorry, but online registration is not allowed for this ...
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All Star Runners - Spring
Organization: Oswegoland Park District
Date of Race: 04-15-2026
Description: DescriptionNew runners and elite runners are welcome in this class designed ...
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All Star Runners - Spring
Organization: Oswegoland Park District
Date of Race: 04-15-2026
Description: DescriptionNew runners and elite runners are welcome in this class designed ...
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Mighty Mites Flag Football
Organization: Oswegoland Park District
Date of Race: 04-08-2026
Description: DescriptionFuture athletes will learn basic football skills including passing, receiving, running, ...
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Mighty Mites Flag Football
Organization: Oswegoland Park District
Date of Race: 04-09-2026
Description: DescriptionFuture athletes will learn basic football skills including passing, receiving, running, ...
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Mighty Mites Flag Football
Organization: Oswegoland Park District
Date of Race: 04-08-2026
Description: DescriptionFuture athletes will learn basic football skills including passing, receiving, running, ...
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Mighty Mites Flag Football
Organization: Oswegoland Park District
Date of Race: 04-09-2026
Description: DescriptionFuture athletes will learn basic football skills including passing, receiving, running, ...
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Mighty Mites Flag Football
Organization: Oswegoland Park District
Date of Race: 04-09-2026
Description: DescriptionFuture athletes will learn basic football skills including passing, receiving, running, ...
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Mighty Mites Flag Football
Organization: Oswegoland Park District
Date of Race: 04-08-2026
Description: DescriptionFuture athletes will learn basic football skills including passing, receiving, running, ...
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Complete list of running events in and near Cortland, IL: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Cortland
About Cortland
Cortland (IL) is a town in DeKalb County with an estimated population of 4,270.[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.).
