10K races in Illinois, United States — 2026 running calendar

Sep

26

SIUE Cougars Unleashed Homecoming Run & Pancake Breakfast

Edwardsville, Illinois, United States

$20.00 - $45.00

Running

10K 5K 1.6K

Sep

27

Northwest CASA Pumpkin Dash 5k / 10k

Elk Grove Village, Illinois, United States

$40.00 - $55.00

Running

5K 10K

Sep

27

Plainfield Harvest Run 5k/10k & Kids Miler

Plainfield, Illinois, United States

$20.00 - $50.00

Running

1.6K 5K 10K

Sep

27

DeKalb Corn Classic

Dekalb, Illinois, United States

$35.00 - $45.00

Running

10K 5K

Sep

27

Golden Harvest Half Marathon & 5k/10k - Greater Chicago

Chicago, Illinois, United States

$22.00 - $78.00

Running

5K 10K Half-Marathon 1.6K

Oct

03

Long Grove's Prairie State Half Marathon, 10K & Oktoberfest 5K

Long Grove, Illinois, United States

$36.99 - $119.99

Running

Half-Marathon 10K 5K +7

Oct

04

Rotary Run Charity Classic

Hinsdale, Illinois, United States

$25.00

Running Walking

10K 5K 3K +2

Oct

04

Nancy M. Kapheim Memorial Classic

Rock Island, Illinois, United States

$7.00 - $35.00

Walking Running

5K 10K Breakfast Only

Oct

09

New Balance Untamed Relay Presented by Fleet Feet

Chicago, Illinois, United States

Free

Running

10K

Oct

10

Sarcoma Stomp: Run for Research

Carlyle, Illinois, United States

$15.00 - $45.00

Running

5K 1.6K 10K

Oct

10

Coffee Lovers Run 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Oct

17

Run Stephenson County

Orangeville, Illinois, United States

Running

Half-Marathon 5K 10K