October Marathons in Illinois on Weekends
City Location
1. Chicago Marathon
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Oct 12, 2025Sunday
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26.2M run
More Information
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Boston Marathon Qualifier
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Chicago, IL
Cook County, IL
2. Des Plaines River Trail Races
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Past DateOct 12, 2024Saturday
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50M, 50K, 26.2M, 13.1M trail run
More Information
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Boston Marathon Qualifier
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Half Day Forest Preserve, IL
Lake County, IL
3. Screaming Pumpkin
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Past DateOct 26, 2024Saturday
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26.2M, 13.1M, 6.6M, 2M run | 26.2M relay
More Information
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Peoria, IL
Peoria 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.