Upcoming 5Ks in Illinois

Endurance Grid lists three hundred nineteen 5Ks in Illinois, from October 2026 to October 2027 across 186 cities.

319
Races
186
Cities
11
Sports

Running races in Illinois

Your next race is out there. Go find it.

All Illinois Running Races

Frequently Asked Questions

How many 5Ks are in Illinois?
Endurance Grid's Race Calendar lists 319 upcoming 5Ks in Illinois, in 186 cities, from October 2026 to October 2027.
How long is a 5K?
A 5K is a running race where athletes run 3.1 miles long (5 kilometers) for time.
Which Illinois cities host 5Ks?
5Ks in Illinois are held in Chicago, Greater Chicago, Belleville, Normal, Springfield, Wheaton, Lisle, Rockford, Rolling Meadows, and Shorewood, plus 176 other cities.
What other race distances are available in Illinois?
Beyond 5K, Illinois races cover a wide range of distances. Illinois also has 10Ks, half marathons, and marathons for running races. Additionally, Endurance Grid's Race Calendar also covers other sports, with aquabike, road cycling, duathlon, gravel, obstacle course, rucking, running, swimming, trail running, triathlon, and ultra races of various distances.