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

Oct

17

Run Stephenson County

Orangeville, Illinois, United States

Running

Half-Marathon 5K 10K

Oct

17

Rosehill Cemetery 'Crypt' 5K Run/Walk

Chicago, Illinois, United States

$45.00 - $50.00

Running

5K

Oct

17

Train Up 5K and Fun Run

Northfield, Illinois, United States

$10.00 - $50.00

Running Walking

5K 1.6K 6.4K 50 Yard Kids' Dash | Preschool and Kindergarten +2

Oct

17

JAIMIE COX MEMORIAL RUN

Roscoe, Illinois, United States

$15.00 - $30.00

Running

5K

Oct

17

Greenville University Panther 5K

Greenville, Illinois, United States

$10.00 - $30.00

Running

5K Kids Fun Run (ages 4-8)

Oct

17

Trojan Classic XC

Charleston, Illinois, United States

Running

4.8K OPEN RACE

Oct

17

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

Quincy, Illinois, United States

Free - $35.00

Running

5K +1

Oct

17

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

Wheaton, Illinois, United States

$5.00 - $25.00

Running

5K 1.6K

Oct

17

Cook Cancer 5K Run/Walk

Franklin Grove, Illinois, United States

$33.00

Running

5K

Oct

17

St. Francis of Assisi 5K

Harrisburg, Illinois, United States

$35.00

Running

5K

Oct

17

Jmh 5K/10K

Jacksonville, Illinois, United States

$32.00

Running

5K 10K

Oct

17

Firehouse 5K

Oconee, Illinois, United States

$35.00

Running Walking

5K 1.6K