Illinois Half Marathons by Date
Browse all Illinois half marathons in 2024 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. When you view a race, you might also find contact info if you’re having problems with your registration or need to contact the race directors.
We dedicated dozens of 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 info@halfmarathons.net to submit your race.
Looking for the best Illinois half marathons for you? Beneath the Illinois half marathon calendar we’ve provided answers to frequently asked questions.
You may also like our list of the Best Chicago Half Marathons.
Upcoming 2024 Illinois Half Marathons
March 2024
Sun Mar 10 | Forge Trail Half Marathon | Lemont IL |
Sun Mar 17 | Aurora Half Marathon & 5K | Aurora IL |
Sun Mar 17 | March Madness Half Marathon | Cary IL |
Sat Mar 30 | Bunny Wabbit Run Half Marathon 10k & 5k | Libertyville IL |
Sat Mar 30 | Chicago Lakefront 50k 20.7M & Half Marathon | Chicago IL |
April 2024
Sat Apr 6 | Chi Town Half Marathon & 10k | Chicago IL |
Sat Apr 6 | Lake Sara Dam Run Half Marathon 8M & 5k | Effingham IL |
Sat Apr 6 | Lincoln Presidential Half Marathon | Springfield IL |
Sun Apr 21 | Naperville Women's Half Marathon & 5K | Naperville IL |
Sun Apr 21 | Riverboat Marathon Series – Day 7 Marathon & Half Marathon | Vienna IL |
Sat Apr 27 | Illinois Race Weekend Half Marathon & 10k | Champaign IL |
Sun Apr 28 | Great Western Half Marathon & 10k | Saint Charles IL |
May 2024
Sat May 4 | Illinois 22Mohawks Half Marathon | Rock Falls IL |
Sat May 4 | Lincoln-Way Half Marathon & 10k | Frankfort IL |
Sun May 5 | Chicagoland Spring Marathon & Half Marathon | Schaumburg IL |
Sun May 5 | Great Western Half Marathon and 10k | St. Charles IL |
Sat May 11 | Starved Rock Country Marathon Half Marathon & 5k | Ottawa IL |
Sun May 12 | Quad Series Distance Classic Half Marathon & 5k | Rock Island IL |
Sun May 19 | Chicago Spring Half Marathon & 10k | Chicago IL |
Sun May 19 | Deer Grove Trail Half Marathon & 10k | Palatine IL |
June 2024
Sat Jun 1 | Hometown Half Marathon 10k & 5k | Chicago IL |
Sat Jun 1 | Races for all Paces Half Marathon 10k & 5k | Charleston IL |
Sat Jun 1 | River Bottom Country Runs for St. Jude Half Marathon & 5k | Deer Creek IL |
Sun Jun 9 | Chicago 13.1 | Chicago IL |
Sat Jun 29 | Stars and Stripes Half Marathon 10k & 5k | Hoffman Estates IL |
July 2024
Tue Jul 9 | Heartland Series Day 4 Marathon & Half Marathon | Fulton IL |
Sat Jul 20 | Christmas in July Half Marathon & 5k | Elk Grove IL |
Sat Jul 27 | Christmas in July Half Marathon & 5k | Indianapolis IN |
September 2024
Sun Sep 22 | Fox Valley Marathon Half Marathon 20-Mile & 5K | St. Charles IL |
Sun Sep 22 | Quad Cities Marathon Half Marathon & 5k | Moline IL |
Sat Sep 28 | Belleville Main Street Marathon & Half Marathon | Belleville IL |
Sun Sep 29 | Chicago Half Marathon & 5k | Chicago IL |
TBD Sep | Crystal Lake Half Marathon | Crystal Lake IL |
TBD Sep | Hidden Gem Half Marathon | Flossmoor IL |
TBD Sep | Naperville Trails Half Marathon | Wheaton IL |
TBD Sep | Moraine Hills Run for the Hills Half Marathon & 10k | McHenry IL |
TBD Sep | St. Jude Walk/Run to End Childhood Cancer Half Marathon 10k & 5k | Normal IL |
TBD Sep | YMCA Stone Bridge Half Marathon & 5k | Roscoe IL |
TBD Sep | Prairie State Half Marathon | Long Grove IL |
October 2024
Sat Oct 19 | Country Sole Half Marathon 10K & 5K | Chicago IL |
Sun Oct 20 | Naperville Half Marathon & 5k | Naperville IL |
TBD Oct | Harvest Wind Marathon & Relay | New Berlin IL |
TBD Oct | Des Plaines River Trail Races Half Marathon | Half Day Forest Preserve IL |
TBD Oct | Pint to Pint Half Marathon | Lena IL |
TBD Oct | Sauk Valley Apple Cider Run Half Marathon 10K & 5K | Rock Falls IL |
TBD Oct | Shake Your Trail Feather Trail Run | Charleston IL |
TBD Oct | Dam Site Run Half Marathon | Hudson IL |
TBD Oct | Haunted Halloween Half Marathon & 5k | Chicago IL |
TBD Oct | Galena River Fall Half Marathon & 8K | Galena IL |
TBD Oct | Riverview Ramble Half Marathon 10k & 5k | Mt. Carmel IL |
TBD Oct | Tri-State Warrior Run Half Marathon 10k & 5k | Quincy IL |
November 2024
TBD Nov | Schaumburg Half Marathon & 5K Turkey Trot | Schaumburg IL |
TBD Nov | Ooh La La Chocolate Run Half Marathon & 5k | Geneva IL |
TBD Nov | Springfield Marathon Half Marathon & 10k | New Berlin IL |
TBD Nov | Run Chi-Town Windy City 5k 10k & 13.1 Race | Chicago IL |
December 2024
TBD Dec | Viking Dash Trail Run – Chicago Half Marathon 15k & 5k | Crystal Lake IL |
January 2025
TBD Jan | Time Travel Half Marathon 10k & 5k | Chicago IL |
February 2024
TBD Feb | F^3 Lake Half Marathon & 5k | Chicago IL |
TBD Feb | Iceman Series Half Marathon 10k & 5k | Springfield IL |
TBD Feb | Fly with the Eagles Half Marathon | Murphysboro IL |
Frequently Asked Questions About Illinois Half Marathons
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.
What’s the best month to run a half marathon in Illinois?
September and October are the most popular months to run a half marathon in Illinois.
What are the most popular cities to run Illinois half marathons?
Chicago is the city that is home to the most Illinois half marathos.