Ranked · Updated September 2026
The Most Popular Races in Illinois
Ranked by real runner activity on Find The Run — saves, race-week reminders, and registration clicks over the last 90 days. The races Illinois's runners are actually engaging with.
Diplo's Run Club Chicago
Chicago, IL · Oct 3, 2026
18th Annual Alton Miles for Meso 5K Race & 3K Fun Run/Walk
Alton, IL · Sep 19, 2026
Marklund Run, Walk & Roll 5K/1Mile
Geneva, IL · Oct 18, 2026
Richardson Farm Fall 5K & 10K with Family 1 Mile Adventure Run
Spring Grove, IL · Oct 18, 2026
Heatwave Half Marathon/5K/10K - Greater Chicago
Greater Chicago, IL · Aug 1, 2027
Treat Trot Greater Chicago
Greater Chicago, IL · Jun 13, 2027
Panting Four Paws
Crystal Lake, IL · Oct 3, 2026
Headless Horseman Hussle
Sleepy Hollow, IL · Sep 20, 2026
Better Than Yesterday 5K
Aurora, IL · Sep 20, 2026
Tamborazo Blast 5K
Aurora, IL · Oct 11, 2026
The Fall Color 5K
Lisle, IL · Oct 24, 2026
Still Standing
Elgin, IL · Sep 19, 2026
Haunted Highlander Assault Trail Run
Mchenry, IL · Oct 23, 2026
DeKalb Corn Classic
DeKalb, IL · Sep 27, 2026
Care4 Breast Cancer Hybrid 5K
Woodstock, IL · Oct 10, 2026
RACE TO WRIGLEY 5K CHARITY RUN PRESENTED BY AbbVie
Chicago, IL · Sep 20, 2026
Glow in the Garden 5k
Rockford, IL · Sep 18, 2026
Haunted Wine Run 5k at Busse Woods
Elk Grove Village, IL · Oct 3, 2026
Moraine Hills Run for the Hills
McHenry, IL · Sep 26, 2026
Highlander Assault Obstacle Race
Pingree Grove, IL · Aug 7, 2027
Montgomery River Run 2026
Montgomery, IL · Oct 3, 2026
Italian Fest 5K
Collinsville, IL · Sep 19, 2026
Plainfield Harvest Run 5k/10k & Kids Miler
Plainfield, IL · Sep 27, 2026
Sauk Valley Apple Cider Run
Rock Falls, IL · Oct 10, 2026
Heritage Fest 10k
West Dundee, IL · Sep 19, 2026
Rankings reflect runner activity on Find The Run — saves, reminders, and registration clicks over the last 90 days — and update daily.