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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

Clinton Lake Sprint Triathlon

DeWitt, Illinois
22 Jun 25
$96.40 - $117.60
🚀Boosted

The Forge Gravel Triathlon

Lemont, Illinois
16 Aug 25
$113.69 - $273.81
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Old Yeller Duathlon

Robinson, Illinois
28 Jun 25
$54.00

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

Clinton Lake Sprint Triathlon

DeWitt, Illinois
22 Jun 25
$96.40 - $117.60

Mattoon-Man

Neoga, Illinois
12 Jul 25
$64.60 - $255.40
Showing 1-5 of 5 results