5K Races in Illinois
Find upcoming 5k races in Illinois — with dates, locations, and direct registration links.
423 upcoming 5k races found in Illinois
Upcoming 5K Races in Illinois
Go Fish 5K Run/Walk--Individual Registration (ONE tshirt included)+2
Aug 15
Go Fish 5K & Kids' Color Run
Sat, August 15, 2026
East Dundee, IL
Nick Teddy 5k+2
Aug 15
The Nick Teddy 5k Presented By Tug Fest-Illinois
Sat, August 15, 2026
Port Byron, IL
5K Registration+5
Aug 15
Run for PB& J 5K/10K/13.1 CHICAGO/EVANSTON
Sat, August 15, 2026
Chicago, IL
5k Elite Heat (7:00)+38
Aug 15
Highlander Assault Obstacle Race
Sat, August 15, 2026
Pingree Grove, IL
Prostate Cancer Awareness 5K Walk/Run/Bike-Most Worshipful Prince Hall Grand Lodge of IL
Aug 15
Prostate Cancer Awareness 5K Walk/Run/Bike-Most Worshipful Prince Hall Grand Lodge of IL (one race four locations simulantaneously)
Sat, August 15, 2026
Chicago, IL
The Next Loop Endurance Series 5K, 10K, 1/2 Marathon, Marathon, 50K
Aug 15
The Next Loop Endurance Series - Busse Woods
Sat, August 15, 2026
Elk Grove Village, IL
Flight to the Finish 5K and Kids 100M Dash!
Aug 15
Flight to the Finish
Sat, August 15, 2026
Zion, IL
Half Marathon Run+6
Aug 15
RAMP River Run – 3K, 5K, & 1/2 Marathon Run
Sat, August 15, 2026
Rockford, IL
Student Trip Fundraiser 5k Color Run/Walk
Aug 15
5K Color Run/Walk Fundraiser
Sat, August 15, 2026
Mattoon, IL
5K Registration+5
Aug 15
Bagel Run 5K/10K/13.1 CHICAGO/EVANSTON
Sat, August 15, 2026
Chicago, IL
Au Sable Grove 5k fun run/walk
Aug 22
Au Sable Grove 5k fun run/walk
Sat, August 22, 2026
Yorkville, IL
St. Mary of Gostyn 5K Race+2
Aug 22
SMG 5K Race & 1 Mile Run
Sat, August 22, 2026
Downers Grove, IL
