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

Candy Corn 5K

Carmi, Illinois, United States

10 Oct, 2026 (Sat)

$30.00

Running

5K

Operation Jake 5K Run And Walk

Herrin, Illinois, United States

10 Oct, 2026 (Sat)

$35.00

Running

5K

Welcome Run 5K

Lansing, Illinois, United States

10 Oct, 2026 (Sat) – 11 Oct, 2026

$5.00 - $30.00

Running

5K Welcome Run Kids Race (10 and under)

13th Annual Harvest Hustle 5K

Niles, Illinois, United States

10 Oct, 2026 (Sat)

$10.00 - $25.00

Running

5K

Sarcoma Stomp: Run for Research

Carlyle, Illinois, United States

10 Oct, 2026 (Sat)

$15.00 - $45.00

Running

5K 1.6K 10K

Cantigny 5K Run/Walk 2026 - Benefiting The Midwest Shelter for Homeless Veterans

Wheaton, Illinois, United States

17 Oct, 2026 (Sat)

$5.00 - $20.00

Running

5K 1.6K

Tunnel to Towers 5K Run & Walk - Quincy, IL

Quincy, Illinois, United States

17 Oct, 2026 (Sat)

Free - $35.00

Running

5K +1

Run Stephenson County

Orangeville, Illinois, United States

17 Oct, 2026 (Sat)

Running

Half-Marathon 5K 10K

JAIMIE COX MEMORIAL RUN

Roscoe, Illinois, United States

17 Oct, 2026 (Sat)

$15.00 - $30.00

Running

5K

Rosehill Cemetery 'Crypt' 5K Run/Walk

Chicago, Illinois, United States

17 Oct, 2026 (Sat)

$42.00 - $47.00

Running

5K

Chicago Fall Classic Half Marathon, 10K & Hot Cider Hustle 5K

Chicago, Illinois, United States

17 Oct, 2026 (Sat)

$12.99 - $119.99

Running

Half-Marathon 10K 5K +7

23rd Annual This Run's For Jack 2026

Glen Ellyn, Illinois, United States

18 Oct, 2026 (Sun)

$25.00 - $40.00

Running

5K 16.1K