May Classic Runs within 50 miles of DeKalb, IL
City Location
1. Cornerstone Lakes parkrun
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May 3, 2025Saturday
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5K run
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West Chicago, IL
29 miles point to pointDupage County, IL
2. Firefly Race Series
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Past DateMay 3, 2024Friday
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10K, 3K run
Virtual OptionMore Information
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Lisle, IL
37 miles point to pointDupage County, IL
3. Heritage Harbor parkrun
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May 3, 2025Saturday
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5K run
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Ottawa, IL
40 miles point to pointLaSalle County, IL
4. Cinco K
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Past DateMay 4, 2024Saturday
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5K run
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Rochelle, IL
17 miles point to pointOgle County, IL
5. Firefly Race Series
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Past DateMay 4, 2024Saturday
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10K run
Virtual OptionMore Information
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Lisle, IL
37 miles point to pointDupage County, IL
6. HOH 5K
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Past DateMay 4, 2024Saturday
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5K run | kids run
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Northbrook, IL
50 miles point to pointCook County, IL
7. Stronger Together 5K
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Past DateMay 4, 2024Saturday
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5K, 1M run
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Lombard, IL
40 miles point to pointDupage County, IL
8. Bob Blazier Run for the Arts Pajama Run
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Past DateMay 5, 2024Sunday
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5K, 1M run | kids run
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Crystal Lake, IL
32 miles point to pointMcHenry County, IL
9. 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
36 miles point to pointCook County, IL
10. Great Western Half Marathon and 10K
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Past DateMay 5, 2024Sunday
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13.1M, 10K run
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Saint Charles, IL
24 miles point to pointKane County, IL
11. Mom Made Me Do This 5K
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Past DateMay 5, 2024Sunday
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5K run
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Aurora, IL
26 miles point to pointKane County, IL
12. Cornerstone Lakes parkrun
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May 10, 2025Saturday
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5K run
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West Chicago, IL
29 miles point to pointDupage County, IL
13. Heritage Harbor parkrun
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May 10, 2025Saturday
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5K run
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Ottawa, IL
40 miles point to pointLaSalle County, IL
14. Mother's Day 5K
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May 10, 2025Saturday
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5K run
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Saint Charles, IL
24 miles point to pointKane County, IL
15. Pink 5K
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May 10, 2025Saturday
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5K run
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Oak Brook, IL
43 miles point to pointDupage County, IL
16. Quarryman Challenge
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May 10, 2025Saturday
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10M, 5K run
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Lemont, IL
44 miles point to pointCook County, IL
17. Badger High School 5K GLOW Run/Walk
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Past DateMay 11, 2024Saturday
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5K run
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Lake Geneva, WI
49 miles point to pointWalworth County, WI
18. 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
37 miles point to pointCook County, IL
19. Byron Rocks 5K/10K
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Past DateMay 11, 2024Saturday
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10K, 5K run
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Byron, IL
30 miles point to pointOgle County, IL
20. Fun Bun Run 5K
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Past DateMay 11, 2024Saturday
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5K run | kids run
Virtual OptionMore Information
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Geneva, IL
23 miles point to pointKane 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.