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Duathlons found in Illinois in September
View all ↓Duathlons in Illinois in September 2025
Find A Race is the US's favourite event listings site. Check out our list of September 2025 Duathlons in Illinois below.
Race Calendar: Duathlons found in September
Carlyle Lake Triathlon
Carlyle Township, Illinois
21 Sep 25
$81.56 - $209.66
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