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

Heritage Fest 10k

West Dundee, Illinois, United States

Sep 19, 2026 (Sat)

$30.00 - $55.00

Running, Walking

10K 5K 1.9K

St. Jude Walk

Bloomington, Illinois, United States

Sep 19, 2026 (Sat)

Walking, Running

1.6K 5K 10K Half-Marathon

SIUE Cougars Unleashed Homecoming Run & Pancake Breakfast

Edwardsville, Illinois, United States

Sep 26, 2026 (Sat)

$20.00 - $40.00

Running

10K 5K 1.6K

Oktoberfest Run 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

Sep 26, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Plainfield Harvest Run 5k/10k & Kids Miler

Plainfield, Illinois, United States

Sep 27, 2026 (Sun)

$20.00 - $50.00

Running

1.6K 5K 10K

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

Chicago, Illinois, United States

Sep 27, 2026 (Sun)

$22.00 - $72.00

Running

5K 10K Half-Marathon 1.6K

Northwest CASA Pumpkin Dash 5k / 10k

Elk Grove Village, Illinois, United States

Sep 27, 2026 (Sun)

$35.00 - $50.00

Running

5K 10K

DeKalb Corn Classic

Dekalb, Illinois, United States

Sep 27, 2026 (Sun)

$30.00 - $40.00

Running

10K 5K

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

Long Grove, Illinois, United States

Oct 3, 2026 (Sat)

$36.99 - $119.99

Running

Half-Marathon 10K 5K +7

Rotary Run Charity Classic

Hinsdale, Illinois, United States

Oct 4, 2026 (Sun)

$30.00

Running, Walking

10K 5K 3K +2

Sarcoma Stomp: Run for Research

Carlyle, Illinois, United States

Oct 10, 2026 (Sat)

$15.00 - $45.00

Running

5K 1.6K 10K

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

Chicago, Illinois, United States

Oct 10, 2026 (Sat) – Nov 28, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8