Illinois Half Marathons by Date • By City
Browse all 2020-2021 Illinois half marathons by month below. For each race, you’ll find course maps, elevation profiles, runner reviews, and how to sign up.
When you view a race, you’ll also find contact info if you’re having problems with your registration or need to contact the race directors.
February 2021
| Sat Feb 6 | Iceman Half Marathon & Quarter Marathon | Springfield IL |
| Sat Feb 13 | Fly with the Eagles Half Marathon | Marion IL |
March 2021
| Sat Mar 13 | Cactus Classic Trail Race Marathon Half Marathon & 10K | Manito IL |
| Sun Mar 14 | Bolingbrook St. Paddy's Half Marathon & 5K | Bolingbrook IL |
| Sun Mar 14 | March Madness Half Marathon | Cary IL |
| Sat Mar 20 | Alton Half Marathon & 5K | Alton IL |
April 2020
| Sat Apr 4 | Lincoln Presidential Half Marathon | Springfield IL |
| Sat Apr 11 | Bunny Wabbit Run Half Marathon 10K & 5K | Libertyville IL |
| Sat Apr 18 | Allerton Trails Half Marathon & 10K | Monticello IL |
| Sat Apr 18 | Riverboat Series Marathon Half Marathon 10K & 5K – Day 7 | Vienna IL |
| Sat Apr 18 | Sly Fox Half Marathon 10K & 5K | St. Charles IL |
| Sat Apr 25 | Illinois Marathon Half Marathon & 10K | Champaign IL |
May 2020
| Sat May 16 | Gold Star Mission Run for the Fallen Half Marathon | Rockford IL |
| Sun May 17 | Chicago Spring Half Marathon & 10K | Chicago IL |
| Sun May 17 | Chicagoland Spring Marathon & Half Marathon | Schaumburg IL |
| Sun May 31 | Pure Pikermi Half Marathon & Relay | Aurora IL |
June 2020
| Sun Jun 14 | Chi Town Half Marathon & 10K | Chicago IL |
| Sun Jun 14 | Naperville Women's Half Marathon & 5K | Naperville IL |
August 2020
| Sat Aug 1 | Mahomet Half Marathon 10K & 5K | Mahomet IL |
September 2020
| Sat Sep 26 | Stone Bridge Half Marathon & 5K | Roscoe IL |
October 2020
| Sat Oct 3 | Prairie State Half Marathon & 10K | Long Grove IL |
| Sun Oct 11 | Springfield Marathon Half Marathon & Quarter Marathon | Springfield IL |
| Sun Oct 25 | Dam Site Marathon & Half Marathon | Hudson IL |
| Sat Oct 31 | H^3 Halloween Half Marathon & 5K | Chicago IL |
December 2020
| Sat Dec 12 | Viking Dash Trail Run Half Marathon 10K & 5K – Chicago | Crystal Lake IL |
