May Classic Runs in Cook County, IL
1. Cinco de Miler - Chicago
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May 3, 2025Saturday
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5M run
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Chicago, IL
Cook County, IL
2. HOH 5K
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Past DateMay 4, 2024Saturday
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5K run | kids run
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Northbrook, IL
Cook County, IL
3. May The 4th Be With You - 4 Mile Mental Health Run with NoStigmas
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Past DateMay 4, 2024Saturday
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4M run
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Chicago, IL
Cook County, IL
4. Run to Remember
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Past DateMay 4, 2024Saturday
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5K run
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Chicago, IL
Cook County, IL
5. Chicagoland Spring Marathon
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Past DateMay 5, 2024Sunday
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26.2M, 13.1M, 10K run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Schaumburg, IL
Cook County, IL
6. The Lakefront Loop 5K
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Past DateMay 5, 2024Sunday
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5K run | kids run
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Chicago, IL
Cook County, IL
7. Quarryman Challenge
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May 10, 2025Saturday
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10M, 5K run
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Lemont, IL
Cook County, IL
8. Under Armour Women's Run
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May 10, 2025Saturday
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10K, 5K run
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Women Only
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Chicago, IL
Cook County, IL
9. Barrington Mother's Day 5K
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May 11, 2025Sunday
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5K run | kids run
Virtual OptionMore Information
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Barrington, IL
Cook County, IL
10. Healthy Kids Day 5K
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Past DateMay 11, 2024Saturday
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5K run
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Northbrook, IL
Cook County, IL
11. Night Nation Run - Chicago
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Past DateMay 11, 2024Saturday
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5K run
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Chicago, IL
Cook County, IL
12. Run for 102 Race to the Finish!
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Past DateMay 11, 2024Saturday
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5K, 1M run
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La Grange, IL
Cook County, IL
13. J.P. Morgan Corporate Challenge
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Past DateMay 16, 2024Thursday
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3.5M run
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Chicago, IL
Cook County, IL
14. Lew Blond Memorial 5K Run/Walk
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May 17, 2025Saturday
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5K, 1M run | kids run
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Northbrook, IL
Cook County, IL
15. Chicago Spring Half Marathon
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May 18, 2025Sunday
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13.1M, 10K run | kids run
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Chicago, IL
Cook County, IL
16. Race For Peace 5K
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Past DateMay 18, 2024Saturday
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5K run
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Chicago, IL
Cook County, IL
17. Run for the Hills 5K
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Past DateMay 18, 2024Saturday
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5K run
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Barrington, IL
Cook County, IL
18. Dash for the Dogs 5K Run/Walk
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Past DateMay 19, 2024Sunday
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5K run
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Barrington, IL
Cook County, IL
19. Michael J. Fox Foundation Run
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Past DateMay 19, 2024Sunday
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5K run | kids run
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Chicago, IL
Cook County, IL
20. Willard Fall 5K
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Past DateMay 19, 2024Sunday
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5K run
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River Forest, IL
Cook County, IL
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.