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

Oct

09

Sarcoma Stomp: Run for Research 5K/10K

Carlyle, Illinois, United States

$15.00 - $45.00

Running

5K 1.6K 10K

Oct

18

Frank Lloyd Wright Races

Oak Park, Illinois, United States

Running Walking

10K 5K 1.6K Lil Runners - 3 Year Old +3

Oct

18

Richardson Farm Fall 5K & 10K with Family 1 Mile Adventure Run

Spring Grove, Illinois, United States

Obstacle race Running

5K 10K 1.6K +6

Oct

17

Run Stephenson County

Orangeville, Illinois, United States

Running

Half-Marathon 5K 10K

Oct

17

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

Chicago, Illinois, United States

Running

Half-Marathon 10K 5K +7

Oct

17

Jmh 5K/10K

Jacksonville, Illinois, United States

Running

5K 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

09

New Balance Untamed Relay Presented by Fleet Feet

Chicago, Illinois, United States

Running

10K

Oct

04

Nancy M. Kapheim Memorial Classic

Rock Island, Illinois, United States

Walking Running

5K 10K Breakfast Only

Oct

04

Rotary Run Charity Classic

Hinsdale, Illinois, United States

Running Walking

10K 5K 3K +2

Oct

03

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

Long Grove, Illinois, United States

Running

Half-Marathon 10K 5K +7

Sep

27

Plainfield Harvest Run 5k/10k & Kids Miler

Plainfield, Illinois, United States

Running

1.6K 5K 10K