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.
Illinois Half Marathon Calendar
Browse all Illinois Half Marathons in 2025 and 2026 by month and by city below. For each race, you’ll find the history of the half marathon and the course, the most recent year’s course maps, elevation profiles, runner reviews, pricing, and how to sign up.
We dedicate hours every month searching for races to include in the Illinois Half Marathons calendar. If you happen to see any half marathon not included, contact us at [email protected] to submit your race.
Filter Illinois Half Marathons
Race Size
Difficulty
Scenery
Type
Perfect For
Distances
Filter Illinois Half Marathons
Race Size
Difficulty
Scenery
Type
Perfect For
Distances
Featured Race
August 17, 2025
500-1000 runners
Anchorage, Alaska
- Half Marathon, Marathon, Road
Featured Race
June 1, 2025
1-100 runners
Chicago, Illinois
- 5k, Half Marathon, Road
July 15, 2025
1-100 runners
Fulton, Illinois
- Half Marathon, Marathon, Road
July 19, 2025
500-1000 runners
Elk Grove Village, Illinois
- 5k, Half Marathon
July 19, 2025
500-1000 runners
Elk Grove, Illinois
- 5k, Half Marathon, Trail
July 26, 2025
1,000-10,000 runners
Chicago, Illinois
- 10K, 5k, Half Marathon, Road
August 2, 2025
1-100 runners
Mahomet, Illinois
- 5k, Half Marathon, Road
August 16, 2025
100-500 runners
Rockford, Illinois
- 5k, Half Marathon, Road
August 17, 2025
500-1000 runners
Anchorage, Alaska
- Half Marathon, Marathon, Road
August 31, 2025
100-500 runners
Crystal Lake, Illinois
- Half Marathon, Trail
September 6, 2025
100-500 runners
Flossmoor, Illinois
- Half Marathon, Road
September 6, 2025
1,000-10,000 runners
Naperville, Illinois
- Half Marathon, Trail
September 21, 2025
500-1000 runners
St Charles, Illinois
- 5k, Half Marathon, Marathon, Road
September 27, 2025
100-500 runners
McHenry, Illinois
- 10K, 5k, Half Marathon, Trail
September 27, 2025
100-500 runners
Belleville, Illinois
- Half Marathon, Marathon, Road
September 27, 2025
100-500 runners
Chicago, Illinois
- 10K, 5k, Half Marathon, Road
September 27, 2025
1-100 runners
Roscoe, Illinois
- 5k, Half Marathon, Trail
September 28, 2025
100-500 runners
Moline, Illinois
- 5k, Half Marathon, Marathon, Road
September 28, 2025
1,000-10,000 runners
Chicago, Illinois
- 5k, Half Marathon, Road
October 4, 2025
500-1000 runners
Long Grove, Illinois
- Half Marathon, Trail
October 4, 2025
100-500 runners
Bloomington, Illinois
- 10K, 5k, Half Marathon, Road
October 11, 2025
100-500 runners
East Peoria, Illinois
- 10K, Half Marathon, Trail
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 2024?
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?
