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Races in Illinois - May 2026
Browse 166+ upcoming races in Illinois for May 2026.
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Races in Illinois - May 2026
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EmpoweRun 5K
May 2, 2026
Libertyville, IL
5K
63°
42°
19%
Law Day Run
May 2, 2026
Belleville, IL
5K
75°
51°
21%
Fight Hunger 5K/10K
May 2, 2026
Wheaton, IL
10K
5K
1M
66°
43°
20%
Dark Ages Night Obstacle Race
May 2, 2026
McHenry, IL
5K
63°
42°
19%
Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON
May 2, 2026
Chicago, IL
13.1M
10K
5K
1M
66°
47°
19%
Lake Run
May 2, 2026
Hudson, IL
7.5M
4.4M
68°
44°
18%
White Lily Project 5k Run and Walk
May 2, 2026
Teutopolis, IL
3.1M
1M
71°
48°
20%
Mattea's Joy SuperHero 5K
May 2, 2026
Bradley, IL
3.1M
2M
66°
44°
19%
Rock River Madness 2026: Dixon, Illinois
May 2, 2026
Dixon, IL
62.1M
31.1M
13M
10M
9.9M
6M
68°
43°
17%
Seeds & Stones Roubaix
May 2, 2026
Waterman, IL
25M
65°
42°
17%
HOH5K Run/Walk/Roll benefitting the D28 Homer O. Harvey Scholarship Fund
May 2, 2026
Northbrook, IL
3.1M
63°
43°
19%
Northern Illinois Food Bank's Fight Hunger 5K I 10K I 1-Mile
May 2, 2026
Wheaton, IL
10K
5K
1M
66°
43°
20%
TCS Falcon 5K
May 2, 2026
Carterville, IL
5K
72°
51°
20%
Run to Remember
May 2, 2026
Chicago, IL
5K
66°
47°
19%
Cinco De Mayo Run 5K/10K/13.1 CHICAGO/EVANSTON
May 2, 2026
Chicago, IL
13.1M
10K
5K
1M
66°
47°
19%
Hydrants, Hoses, and Heroes 5K
May 2, 2026
Highland, IL
5K
75°
51°
21%
EmpoweRun / Walk 5K
May 2, 2026
Libertyville, IL
5K
63°
42°
19%
Miles for Smiles 5K
May 2, 2026
McHenry, IL
3.1M
63°
42°
19%
Hometown Half Marathon & 5k/10k - Greater Chicago
May 2, 2026
Chicago, IL
13.1M
6.2M
3.1M
1M
66°
47°
19%
HOH 5K
May 2, 2026
Northbrook, IL
5K
63°
43°
19%
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