Duathlons in & near Seattle, Washington 2025 - 2026

Spring Classic Duathlon, Half, 10k & 5k

Vancouver, Washington

27 Apr 25

$56.00 - $210.44

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Rage in the Sage Duathlon

Benton City, Washington

03 May 25

$48.70

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Lake Tye Triathlon - 2025

Monroe, Washington

02 Aug 25

$43.40 - $154.70

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Columbia River Triathlon

Vancouver, Washington

08 Aug 25 - 09 Aug 25

Free - $252.56

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Girlfriends Triathlon & Fitness Festival

Vancouver, Washington

10 Aug 25

$56.00 - $230.96

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Bonney Lake Triathlon + Du. & Aquabike

Bonney Lake, Washington

30 Aug 25

$85.80 - $96.40

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Lake Stevens Triathlon + Duathlon & Aquabike

Lake Stevens, Washington

06 Sep 25

$85.80 - $96.40

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