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Duathlons found in California in July

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Duathlons in California in July 2025

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

Race Calendar: Duathlons found in July

🚀Boosted

Concept 2 - ERG CHALLENGE

San Diego, California
11 Jul 25
Free
🚀Boosted

East Bay Kids Triathlon

Hayward, California
13 Jul 25
$95.00 - $105.00
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Concept 2 - ERG CHALLENGE

San Diego, California
11 Jul 25
Free

East Bay Kids Triathlon

Hayward, California
13 Jul 25
$95.00 - $105.00
Showing 1-2 of 2 results