Illinois Race Calendar

Illinois Half Marathons by Date • By City

Browse all 2020 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.

January 2020

Sat Jan 25 F^3 Lake Half Marathon Chicago IL

February 2020

Sat Feb 8 Fly with the Eagles Half Marathon Marion IL
Sat Feb 8 Iceman Half Marathon & Relay Springfield IL

March 2020

Sun Mar 15 Bolingbrook St. Paddy's Half Marathon & 5K Bolingbrook IL
Sun Mar 15 March Madness Half Marathon Cary IL
Sat Mar 21 Alton Half Marathon & 5K Alton IL
Sat Mar 28 Southern Illinois Spring Classic Half Marathon & 5K Lawrenceville IL

April 2020

May 2020

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
Sat Aug 29 RAMP River Run Half Marathon 5K & 3K Rockford IL

September 2020

October 2020

November 2020

December 2020