Upcoming Marathons in Illinois

Endurance Grid lists eight marathons in Illinois, from November 2026 to October 2027 across 7 cities.

8
Races
7
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 marathons are in Illinois?
Endurance Grid's Race Calendar lists 8 upcoming marathons in Illinois, in 7 cities, from November 2026 to October 2027.
How long is a marathon?
A marathon is a running race where athletes run 26.2 miles long (42.2 kilometers) for time.
Which Illinois cities host marathons?
Marathons in Illinois are held in Chicago, Benton, Makanda, New Berlin, Ottawa, Palos Hills, and Schaumburg.
What other race distances are available in Illinois?
Beyond marathon, Illinois races cover a wide range of distances. Illinois also has 5Ks, 10Ks, and half 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.