You can run Illinois half-marathon events in Belleville, Bloomington, Champaign, Charleston, Chicago, Crystal Lake, Deer Creek, Elk Grove, Elk Grove Village, Flossmoor, Frankfort, Fulton, Galena, Geneva, Highland Park, Hoffman Estates, Lincolnshire, Long Grove, McHenry, Moline, Naperville, Roscoe, Schaumburg, and St. Charles.
[race_calendar_title]
September 12, 2026
100-500 runners
[get_race_listing_state_city post_id="122643"]
- Half Marathon, Road
October 17, 2026
100-500 runners
[get_race_listing_state_city post_id="122563"]
- 10K, 5k, Half Marathon, Road
October 10, 2026
100-500 runners
[get_race_listing_state_city post_id="122930"]
- 10K, 5k, Half Marathon, Trail
May 23, 2026
100-500 runners
[get_race_listing_state_city post_id="150920"]
- 10K, 5k, Half Marathon, Road
May 10, 2026
1-100 runners
[get_race_listing_state_city post_id="122843"]
- 5k, Half Marathon, Road
June 6, 2026
1-100 runners
[get_race_listing_state_city post_id="122551"]
- 10K, 5k, Half Marathon, Road
July 18, 2026
500-1000 runners
[get_race_listing_state_city post_id="136508"]
- 5k, Half Marathon
August 15, 2026
100-500 runners
[get_race_listing_state_city post_id="150929"]
- 5k, Half Marathon, Road
September 20, 2026
500-1000 runners
[get_race_listing_state_city post_id="123056"]
- 5k, Half Marathon, Marathon, Road
September 26, 2026
100-500 runners
[get_race_listing_state_city post_id="122498"]
- Half Marathon, Marathon, Road
September 19, 2026
100-500 runners
[get_race_listing_state_city post_id="122871"]
- 10K, 5k, Half Marathon, Road
October 3, 2026
500-1000 runners
[get_race_listing_state_city post_id="122799"]
- Half Marathon, Trail
September 27, 2026
100-500 runners
[get_race_listing_state_city post_id="122844"]
- 5k, Half Marathon, Marathon, Road
October 17, 2026
1-100 runners
[get_race_listing_state_city post_id="122552"]
- 10K, 5k, Half Marathon, Trail, Ultramarathon
March 28, 2026
1-100 runners
[get_race_listing_state_city post_id="122561"]
- Half Marathon, Trail, Ultramarathon
January 17, 2026
1-100 runners
[get_race_listing_state_city post_id="154271"]
- 10K, 5k, Half Marathon, Road
May 9, 2026
100-500 runners
[get_race_listing_state_city post_id="122885"]
- 5k, Half Marathon, Marathon, Trail
August 16, 2026
500-1000 runners
[get_race_listing_state_city post_id="118712"]
- Half Marathon, Marathon, Road
August 1, 2026
1-100 runners
[get_race_listing_state_city post_id="90998"]
- 5k, Half Marathon, Road
September 27, 2026
1,000-10,000 runners
[get_race_listing_state_city post_id="122557"]
- 5k, Half Marathon, Road
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Running in Illinois
FAQ
What are the most popular Illinois half marathons?
The most popular Illinois half marathon is the Bank of America Chicago 13.1 in 2023 had over 5,000 finishers. Followd by the Life Time Chicago Spring Half in 2024 with 4,828 finishers. And then the Christie Clinic Illinois Race Weekend half marathon with 2,179 finishers.
What are the best Illinois half marathons for beginners in 2026?
When it comes to best half marathons in Illinois for beginners, we recommend the Bank of America Chicago 13.1 for it’s race production and crowds, the Life Time Chicago Spring for the prettiest course through downtown Chicago and along Lake Michigan, and the Quad Cities Half Marathon in Moline because of it’s flat, scenic course.
Which Illinois cities have half marathons?
