Upcoming Half Marathons in Illinois

Endurance Grid lists sixty-two half marathons in Illinois, from July 2026 to May 2027 across 26 cities.

62
Races
26
Cities
14
Sports

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Running races in Illinois

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Frequently Asked Questions (FAQs)

How many half marathons are in Illinois?+
Endurance Grid's Race Calendar lists 62 upcoming half marathons in Illinois, in 26 cities, from July 2026 to May 2027.
How long is a half marathon?+
A half marathon is 13.1 miles (21.1 kilometers).
Which Illinois cities host half marathons?+
Half marathons in Illinois are held in Chicago, Elk Grove Village, Lemont, Shorewood, Belleville, Benton, Bloomington, Decatur, Galena, and Greater Chicago, plus 16 other cities.
What other race distances are available in Illinois?+
Beyond half marathon, Illinois races cover a wide range of distances. Illinois also has 5Ks, 10Ks, and marathons for running races. Additionally, Endurance Grid's Race Calendar also covers other sports, with adventure, aquabike, road cycling, duathlon, gravel, mountain bike, obstacle course, rucking, running, swimming, swimrun, trail running, triathlon, and ultra races of various distances.