Illinois Half Marathon Calendar 2025-2026

Jul

19

Saturday

Christmas in July Half Marathon

Elk Grove Village, Illinois

5 km 13 mi

Aug

2

Saturday

Run Mahomet

Mahomet, Illinois

5 km 10 km 13 mi

Aug

16

Saturday

RAMP River Run – 1/2 Marathon

Rockford, Illinois

3 km 5 km 13 mi

Aug

23-24

Sa - Su

Shawnee Hills Trail Races

Ozark, Illinois

Trail Run 13 mi 50 km 100 km 100 mi

Sep

6

Saturday

The Hidden Gem Half Marathon

Flossmoor, Illinois

13 mi

Sep

6

Saturday

Naperville Trails Half Marathon

Wheaton, Illinois

Trail Run 10 km 13 mi

Sep

21

Sunday

Fox Valley Marathon Races

St. Charles, Illinois

5 km 13 mi 20 mi 26 mi

Sep

27-28

Sa - Su

Quad Cities Marathon

Moline, Illinois

5 km 10 km 21 km 42 km

Sep

27

Saturday

Belleville Main Street Marathon

Belleville, Illinois

13 mi 26 mi

Sep

27

Saturday

Stone Bridge Half Marathon

Roscoe, Illinois

5 km 13 mi

Sep

28

Sunday

Chicago Half Marathon

Chicago, Illinois

5 km 13 mi

Oct

4

Saturday

Long Grove's Prairie State Half Marathon

Long Grove, Illinois

5 km 10 km 13 mi

Oct

11

Saturday

Des Plaines River Trail Races

Lake County, Illinois

Trail Run 13 mi 26 mi 50 km 50 mi

Oct

11-12

Sa - Su

Farmdale Trail Run

East Peoria, Illinois

Trail Run 10 km 13 mi ... 50 mi 100 mi

Oct

18

Saturday

Spooky Sprint - Chicago

Wheaton, Illinois

5 km 10 km 13 mi

Oct

18

Saturday

Run Stephenson County

Orangeville, Illinois

5 km 10 km 13 mi

Oct

18

Saturday

Shake Your Trail Feather Trail Run

Charleston, Illinois

Trail Run 5 km 10 km 13 mi 50 km

Oct

18

Saturday

Country Sole Half Marathon

Chicago, Illinois

5 km 10 km 13 mi

Oct

19

Sunday

Naperville Half Marathon

Naperville Park District, Illinois

5 km 10 km 13 mi

Oct

26

Sunday

Haunted Halloween Half Marathon

Chicago, Illinois

5 km 13 mi