5K races in Illinois, United States — 2026 running calendar

Lawndale 5K

Chicago, Illinois, United States

26 Sep, 2026 (Sat)

$25.00

Running

5K

Miles for Marshall 5K Trail Run for Childhood Cancer

Greenville, Illinois, United States

26 Sep, 2026 (Sat)

$35.00

Running

5K

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

Chicago, Illinois, United States

26 Sep, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Race to Cure Sarcoma Chicago

Chicago, Illinois, United States

26 Sep, 2026 (Sat)

$10.00 - $35.00

Running

5K 1K +2

SIUE Cougars Unleashed Homecoming Run & Pancake Breakfast

Edwardsville, Illinois, United States

26 Sep, 2026 (Sat)

$20.00 - $40.00

Running

10K 5K 1.6K

Stone Bridge Half Marathon and 5k

Roscoe, Illinois, United States

26 Sep, 2026 (Sat)

$30.00 - $60.00

Running

Half-Marathon 5K

Lake County Suicide Prevention Task Force 14th Annual 5K Walk/Run for Awareness and Suicide Prevention

Grayslake, Illinois, United States

26 Sep, 2026 (Sat)

$30.00

Running

5K

St. Jude Walk-Chicago

Brookfield, Illinois, United States

26 Sep, 2026 (Sat)

Free - $10.00

Running

Kids Dash 5K

Lester Fun Run 2025

Downers Grove, Illinois, United States

27 Sep, 2026 (Sun)

$6.00 - $36.00

Running

5K 1.6K +1

DeKalb Corn Classic

Dekalb, Illinois, United States

27 Sep, 2026 (Sun)

$30.00 - $40.00

Running

10K 5K

Plainfield Harvest Run 5k/10k & Kids Miler

Plainfield, Illinois, United States

27 Sep, 2026 (Sun)

$18.00 - $45.00

Running

1.6K 5K 10K

F3 Naperville 5K Run & Walk for Little Friends

Warrenville, Illinois, United States

27 Sep, 2026 (Sun)

$20.00 - $45.00

Running

5K 0.8K