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Duathlons found in Illinois in Summer

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Duathlons in Illinois in Summer 2025

Find A Race is the US's favourite event listings site. Check out our list of Summer 2025 Duathlons in Illinois below.

Race Calendar: Duathlons found in Summer

🚀Boosted

The Forge Gravel Triathlon

Lemont, Illinois
16 Aug 25
$113.69 - $273.81
🚀Boosted

Screw City DUATHLON, RUCK & 2 MILE RUN/WALK - Powered by RockRiver Multisport

Loves Park, Illinois
20 Jul 25
Free - $85.80
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Screw City DUATHLON, RUCK & 2 MILE RUN/WALK - Powered by RockRiver Multisport

Loves Park, Illinois
20 Jul 25
Free - $85.80

The Forge Gravel Triathlon

Lemont, Illinois
16 Aug 25
$113.69 - $273.81
Showing 1-2 of 2 results