Illinois Race Calendar

Illinois Half Marathons by Date • By City

Browse all 2021-2022 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.

March 2022

April 2022

May 2021

July 2021

August 2021

Sat Aug 7 MAYC Mahomet Half Marathon & 5K Mahomet IL
Sat Aug 21 RAMP River Run Half Marathon 5K & 3K Rockford IL
Sat Aug 28 Allerton Trails Half Marathon & 10K Monticello IL

September 2021

Sat Sep 4 Naperville Trails Half Marathon Naperville IL
Sun Sep 5 Crystal Lake Half Marathon Crystal Lake IL
Mon Sep 6 Canton Half Marathon & 5K Canton IL
Sat Sep 11 Chi Town Half Marathon & 10K Chicago IL
Sat Sep 11 Hidden Gem Half Marathon Flossmoor IL
Sat Sep 18 Lincoln-Way Half Marathon Frankfort IL
Sat Sep 18 Starved Rock Country Half Marathon & 5K Ottawa IL
Sun Sep 19 Fox Valley Marathon Half Marathon 20-Mile & 5K St. Charles IL
Sat Sep 25 Moraine Hills Run for the Hills Half Marathon McHenry IL
Sat Sep 25 Stone Bridge Half Marathon & 5K Roscoe IL
Sun Sep 26 Chicago Half Marathon & 5K Chicago IL
Sun Sep 26 Quad Cities Marathon Half Marathon 5K & Relay Moline IL

October 2021

November 2021

December 2021