Illinois Half Marathons

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.

2022-2023 calendar of Illinois half marathons

Bolingbrook

Bolingbrook St. Paddy’s Half Marathon

Cary

March Madness Half Marathon

Champaign / Urbana

Christie Clinic Illinois Marathon, Half Marathon, Relay, 10K & 5K

Charleston

Races for All Paces Half Marathon, 10K & 5K

Chicago

13.1 Marathon Chicago

Chicago 13.1

Chicago Half Marathon & 5K

Chicagoland Spring Half Marathon & 10K

Chi Town Half Marathon & 5K

Country Sole Half Marathon 10K & 5K

F3 Lake Half Marathon

Winter Warm Up – Chicago Half Marathon 10k & 5k

Crystal Lake

Crystal Lake Half Marathon

Effingham

Lake Sara Dam Run

Elk Grove Village

Christmas in July Half Marathon

Flossmoor

Hidden Gem Half Marathon

Fulton

Heartland Series Marathon Half Marathon 10K & 5K – Day 4

Galena

Galena River Fall Half Marathon & 8K

Highland Park

North Shore Half Marathon

Hoffman Estates

Fitness for America Sports Festival Half Marathon & 5K Run/Walk

Lawrenceville

Southern Illinois Spring Classic Half Marathon, 5K & Fun Run

Lemont

Forge Trail Half Marathon

Libertyville

Bunny Wabbit Run Half Marathon 10k & 5k

Lincolnshire

Des Plaines River Trail Races Marathon, Half Marathon & 50-Mile Ultra-marathon

Mahomet

MAYC Run Mahomet Half Marathon & 5K

Marion

Fly With The Eagles Half Marathon

McHenry

Moraine Hills Run for the Hills Half Marathon & 10k

Moline

Quad Cities Marathon, Half Marathon, 5K & 5-Person Relay

Monticello

Allerton Trails Half Marathon & 10K

Naperville

Naperville Marathon & Half Marathon

Naperville Trails Half Marathon

Naperville Women’s Half Marathon & 5K

New Berlin

Harvest Wind Half Marathon

Ottawa

Starved Rock Country Marathon Half Marathon & 5k

Quincy

Bridge the Gap to Health Half Marathon

Rockford

Gold Star Mission Run for the Fallen Half Marathon 5k & 3k

Rock Falls

Sauk Valley Apple Cider Run Half Marathon 10K & 5K

Schaumburg

Chicagoland Spring Marathon & Half Marathon

Schaumburg Half Marathon & 5K Turkey Trot

Springfield

Iceman Series Half Marathon & 6.6M

Lincoln Presidential Half Marathon

St. Charles

Fox Valley Marathon, Half Marathon, 20-Mile & 5K

Great Western Half Marathon & 10K

Vienna

Riverboat Series Marathon Half Marathon 10K & 5K – Day 7

Whittington

Rend Lake Marathon Half Marathon & Quarter Marathon