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

Sat Apr 4 Chi Town Half Marathon & 10K Chicago IL
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
Sun Apr 19 Naperville Women's Half Marathon & 5K Naperville IL
Sat Apr 25 Illinois Marathon Half Marathon & 10K Champaign IL

May 2020

June 2020

Sun Jun 7 North Shore Classic Half Marathon & 5K Highland Park IL
Sat Jun 20 Fit America Festival Half Marathon 10K & 5K Hoffman Estates IL

July 2020

Sun Jul 19 Rock 'n' Roll Chicago Half Marathon Chicago IL

August 2020

Sat Aug 1 Mahomet Half Marathon 10K & 5K Mahomet IL

September 2020

October 2019

November 2019

December 2019

Sat Dec 7 & Sun Dec 8 Viking Dash Trail Run – Chicago Crystal Lake IL