Half Marathon Races in Illinois
Find upcoming half marathon races in Illinois — with dates, locations, and direct registration links.
45 upcoming half marathon races found in Illinois
Upcoming Half Marathon Races in Illinois
Half Marathon Run+6
Aug 15
RAMP River Run – 3K, 5K, & 1/2 Marathon Run
Sat, August 15, 2026
Rockford, IL
Half Marathon+1
Sep 20
Fox Valley Marathon, Half Marathon, 20-Mile & 5K
Sun, September 20, 2026
St Charles, IL
Half Marathon+1
Sep 26
Moraine Hills Run for the Hills Half Marathon & 10k
Sat, September 26, 2026
McHenry, IL
Belleville Main Street Marathon+1
Sep 26
Belleville Main Street Marathon & Half Marathon
Sat, September 26, 2026
Belleville, IL
Kid's Dash+7
Sep 27
Golden Harvest Half Marathon & 5k/10k - Greater Chicago
Sun, September 27, 2026
Greater Chicago, IL
Half Marathon+1
Sep 27
Quad Cities Marathon, Half Marathon & 5k
Sun, September 27, 2026
Moline, IL
Half Marathon+10
Oct 3
Long Grove's Prairie State Half Marathon, 10K & Oktoberfest 5K
Sat, October 3, 2026
Long Grove, IL
Half Marathon+10
Oct 3
Long Grove's Oktoberfest Half Marathon, 10K & 5K
Sat, October 3, 2026
Long Grove, IL
Half Marathon+1
Oct 10
Des Plaines River Trail Races Half Marathon
Sat, October 10, 2026
Lincolnshire, IL
Run Stephenson County Half Marathon+2
Oct 17
Run Stephenson County
Sat, October 17, 2026
Orangeville, IL
Half Marathon+10
Oct 17
Chicago Fall Classic Half Marathon, 10K & 5K
Sat, October 17, 2026
Chicago, IL
Half Marathon+10
Oct 17
Chicago Fall Classic Half Marathon, 10K & Hot Cider Hustle 5K
Sat, October 17, 2026
Chicago, IL
H^3 Half Marathon+1
Oct 25
Haunted Halloween Half Marathon & 5km
Sun, October 25, 2026
Chicago, IL
Riverview Ramble Half Marathon+2
Oct 31
Riverview Ramble Half Marathon
Sat, October 31, 2026
Mount Carmel, IL
Half Marathon 13.1M+2
Nov 1
Warrior Rush - Army of Hades - 5K, 10K, and Half Marathon 13.1
Sun, November 1, 2026
New Lenox, IL
Marathon+3
Nov 7
14th Annual Springfield Marathon & Harvest Wind Half Marathon & 10K
Sat, November 7, 2026
New Berlin, IL
