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Upcoming Triathlons in Washington

Find 27 upcoming events across the state

Rage in the Sage Duathlon
Triathlon

Rage in the Sage Duathlon

Benton City, WA
May 2, 2026
Duathlon
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Cedar River Triathlon
Triathlon

Cedar River Triathlon

Maple Valley, WA
May 10, 2026
Super SprintYouth
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Onion Man Triathlon
Triathlon

Onion Man Triathlon

Walla Walla, WA
May 17, 2026
Olympic
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Orcas Island Triathlon
Triathlon

Orcas Island Triathlon

Olga, WA
May 17, 2026
Sprint
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Medical Lake Triathlon
Triathlon

Medical Lake Triathlon

Medical Lake, WA
May 31, 2026
SprintSuper Sprint
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Lake Wilderness Triathlon
Triathlon

Lake Wilderness Triathlon

Maple Valley, WA
June 6, 2026
OlympicSprintYouth
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Columbia River Half Iron 1.2S, 56B, 13.1R
Triathlon

Columbia River Half Iron 1.2S, 56B, 13.1R

Vantage, WA
June 14, 2026
Half Iron
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Medical Lake- Trailblazer Triathlon/Duathlon/5K
Triathlon

Medical Lake- Trailblazer Triathlon/Duathlon/5K

Medical Lake, WA
June 20, 2026
SprintDuathlon
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Black Diamond Triathlon
Triathlon
Price rises in 46 days

Black Diamond Triathlon

Enumclaw, WA
June 27, 2026
OlympicSprintAquabikeSuper Sprint
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Padden Triathlon
Triathlon

Padden Triathlon

Bellingham, WA
June 27, 2026
SprintSuper Sprint
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Pine Lake Triathlon
Triathlon

Pine Lake Triathlon

Sammamish, WA
June 28, 2026
Sprint
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Wildcat Lake Triathlon
Triathlon

Wildcat Lake Triathlon

Bremberton, WA
July 5, 2026
Sprint
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Righteous Richland Sprint Triathlon
Triathlon
Price rises in 63 days

Righteous Richland Sprint Triathlon

Richland, WA
July 11, 2026
Sprint
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Gorge Ultra Distance
Triathlon

Gorge Ultra Distance

Stevenson, WA
July 12, 2026
17M SUP
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Seafair Triathlon
Triathlon
Price rises in 25 days

Seafair Triathlon

Issaquah, WA
July 19, 2026
SprintSuper SprintDuathlon
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Aquaman
Triathlon
Price rises in 84 days

Aquaman

Richland, WA
July 31, 2026
Aquathlon
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Titanium Man Junior Triathlon
Triathlon
Price rises in 84 days

Titanium Man Junior Triathlon

Richland, WA
August 1, 2026
Youth
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Sullivan Lake Triathlon 2026
Triathlon
Price rises in 39 days

Sullivan Lake Triathlon 2026

Metaline Falls, WA
August 1, 2026
Sprint
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Lake Tye Triathlon
Triathlon

Lake Tye Triathlon

Monroe, WA
August 1, 2026
OlympicSprintYouth
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Girlfriends Triathlon & Fitness Festival
Triathlon
Price rises in 97 days

Girlfriends Triathlon & Fitness Festival

Vancouver, WA
August 2, 2026
OlympicSprintDuathlonAquabike
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Columbia River Triathlon
Triathlon
Price rises in 97 days

Columbia River Triathlon

Vancouver, WA
August 7, 2026
OlympicSprintDuathlonAquabikeYouthDry Tri
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Lake Meridian Triathlon
Triathlon
Price rises in 3 days

Lake Meridian Triathlon

Kent, WA
August 15, 2026
OlympicSprintSuper Sprint
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The Kenmore Quad
Triathlon
Price rises in 63 days

The Kenmore Quad

Kenmore, WA
August 22, 2026
Dry Tri
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Plutonium Man Triathlon
Triathlon
Price rises in 64 days

Plutonium Man Triathlon

Richland, WA
August 29, 2026
Olympic
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Bonney Lake Triathlon
Triathlon
Price rises in 17 days

Bonney Lake Triathlon

Bonney Lake, WA
August 30, 2026
OlympicSprint
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Beaver Lake Triathlon 2026
Triathlon

Beaver Lake Triathlon 2026

Sammamish, WA
August 30, 2026
SprintYouth
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Rattlesnake Lake Triathlon
Triathlon

Rattlesnake Lake Triathlon

North Bend, WA
September 6, 2026
Sprint
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Finding the Right Washington Triathlon

Whether you are looking for a beginner-friendly Sprint in Washington or a challenging 70.3, Let's Race provides the most up-to-date calendar for triathletes. Our Washington list is updated daily to include Ironman, Olympic, and local club races.