Illinois Half Marathons by City • By Date
Each half marathon that takes place in Illinois is listed below, and when you click the link you’ll find info for each race — what the course is like and a map of the route, the elevation change, whether it’s fast and flat or hilly and challenging, how to sign up, and more.
You’ll also find contact info if you’re having problems with your registration or need to contact the race directors.
2021 calendar of Illinois half marathons
Alton
Aurora
Aurora Half Marathon, 5K & Fun Run
Pure Pikermi Half Marathon & Relay
Batavia
Half Madness 13.1 Half Marathon
Cary
Champaign / Urbana
Christie Clinic Illinois Marathon, Half Marathon, Relay, 10K & 5K
Chester
All Roads Lead to Shiloh” 1/2 Marathon & 1/2 Relay
Chicago
Chicago Get Lucky Half Marathon, 14K & 7K
Chicago Polar Dash Half Marathon, 10K, 5K & 1600M
Chicago Spring Half Marathon & 10K
Chicago Monster Dash Half Marathon & 5K
Rock & Roll Chicago Half Marathon
Run Mag Mile Half Marathon & 5K
Women Rock Half Marathon, 10K, 5K & 2.5K
Crystal Lake
Delavan
Delavan Panther Frostbite Classic Half Marathon
Edwardsville
Thin Mint Sprint Half Marathon, 5K & Fun Run
Effingham
Heartland Half Marathon & 5K Run/Walk
Galesburg
Galesburg Half Marathon, 5K & 1-Mile Fun Run/Walk
Galena
Galena Lead Rush Half Marathon
Galena River Fall Half Marathon & 8K
Gurnee
Splish Splash Half Marathon & Tropical 8K
Highland Park
Hoffman Estates
Fitness for America Sports Festival Half Marathon & 5K Run/Walk
Hudson
The Lake Run Half Marathon, 12K & 7K
Lake Zurich
Lake Zurich Alpine Races Half Marathon & 5K
Lawrenceville
Southern Illinois Spring Classic Half Marathon, 5K & Fun Run
Lebanon
McKendree Harvest Challenge Half Marathon & 5K
Libertyville
Des Plaines River Half Marathon & Relay
Prairie State Marathon, Half Marathon & 5K
Lincolnshire
Des Plaines River Trail Races Marathon, Half Marathon & 50-Mile Ultra-marathon
Mahomet
MAYC Mahomet Half Marathon & 5K
Marion
Fly With The Eagles Half Marathon
Mascoutah
Mattoon
Races for All Paces Half Marathon, 10K, 5K & Fun Run
McHenry
Moraine Hills Run for the Hills Half Marathon & 10K
Moline
Quad Cities Distance Classic Half Marathon & 5K
Quad Cities Marathon, Half Marathon, 5K & 5-Person Relay
Monticello
Allerton Trails Half Marathon & 10K
Naperville
Naperville Marathon & Half Marathon
Naperville Trails Half Marathon
Nauvoo
Great River Road Run Half Marathon & 5K
Oak Brook
Palos Heights
First Midwest Bank Half Marathon & 10K
Peoria
Illinois Valley Striders Half Marathon
Peoria Heights
Quincy
Bridge the Gap to Health Half Marathon, 10K & 5K
Rockford
Rockford Marathon, Half Marathon & 10K
Schaumburg
Chicagoland Spring Marathon & Half Marathon
Schaumburg Half Marathon & 5K Turkey Trot
South Holland
Heritage Haul Half Marathon, 10K & 5K Run/Walk
Springfield
Lincoln Presidential Half Marathon
Springfield Marathon, Half Marathon, 10K & 5K
St. Charles
Fox Valley Marathon, Half Marathon & 20-Mile Race
Valmeyer
Hills and Hollows Half Marathon & 5K
