RunEmu

Half Marathon Races in Illinois

Browse 146+ upcoming half marathon races in Illinois.

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Cactus Classic Trail Race

Mar 7, 2026
Manito, IL
26.2M13.1M10K
47°
29°
12%

Cactus Classic Trail Races

Mar 7, 2026
Manito, IL
Marathon1/2 Marathon10K
47°
29°
12%

Time to Paddy 5k/10k & Lucky 13.1 - Greater Chicago

Mar 7, 2026
Shorewood, IL
50M13.1M6.2M3.1M1M
44°
27°
11%

SuperHeroes Run 5K/10K/13.1 CHICAGO/EVANSTON

Mar 7, 2026
Chicago, IL
13.1M10K5K1M
44°
29°
8%

Time to Paddy 5K/10K and Lucky 13.1

Mar 7, 2026
Chicago, IL
13.1M10K5K1M
44°
29°
8%

Run for Mental Health 5K/10K/13.1 CHICAGO/EVANSTON

Mar 7, 2026
Chicago, IL
13.1M10K5K1M
44°
29°
8%

Time to Paddy 5k/10k & Lucky 13.1 - Greater Chicago

Mar 7, 2026
Chicago, IL
50M13.1M6.2M3.1M1M
44°
29°
11%

Sloth Run 5K/10K/13.1 CHICAGO/EVANSTON

Mar 14, 2026
Chicago, IL
13.1M10K5K1M
48°
32°
9%

Muddy Shamrock @ The Forge

Mar 14, 2026
Lemont, IL
13.1M6.5M
48°
30°
12%

St. Paddy's Day Lucky Run 5K/10K/13.1 CHICAGO/EVANSTON

Mar 14, 2026
Chicago, IL
13.1M10K5K1M
48°
32°
9%

Muddy Shamrock

Mar 14, 2026
Lemont, IL
13.1M6.6M
48°
30°
12%

Deer Park St. Paddy's 5K & 10K Run/Walk

Mar 15, 2026
Deer Park, IL
100M10K5K
44°
27°
12%

March Madness Half Marathon

Mar 15, 2026
Cary, IL
13.1M
44°
27°
12%

Clinton Lake Ultra

Mar 28, 2026
Clinton, IL
30M10M
58°
36°
15%

Rend Lake Marathon

Mar 28, 2026
Grayslake, IL
26.2M13.1M6.55M
49°
31°
13%

Rend Lake Marathon

Mar 28, 2026
Warren, IL
26.2M13.1M6.5M
52°
33°
14%

Clinton Lake Ultra

Mar 28, 2026
Dewitt, IL
30M10M
57°
35°
13%

Schon Park 3/6/9 Endurance Runs

Mar 28, 2026
Glen Carbon, IL
9HR6HR3HR
63°
41°
18%

Footsteps for Families: 5k, Walk & Kids Run

Mar 28, 2026
Machesney Park, IL
100M5K1M
48°
29°
12%

Always Hope Easter Run 5K/10K/13.1 CHICAGO/EVANSTON

Apr 4, 2026
Chicago, IL
13.1M10K5K1M
56°
38°
13%
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