Half Marathon Races in Illinois
Explore Half Marathon races in Illinois during October 2025.
By Month
By Race Type
By City
Top Events
Long Grove's Prairie State Half Marathon, 10k & Oktoberfest 5k
5K10KHalf-Marathon
Long Grove, IL
Date TBD
8:30 AM CDT
Spooky Sprint - Greater Chicago
5K10KHalf-Marathon1 Mile
Shorewood, IL
Date TBD
8:00 AM CDT
Run Stephenson County
5KHalf-Marathon
Orangeville, IL
Date TBD
9:00 AM CDT
Galena River Fall Half Marathon & 8k
Half-Marathon
Galena, IL
Date TBD
8:00 AM CDT
Haunted Halloween Half Marathon & 5km
5KHalf-Marathon
Chicago, IL
Date TBD