Seafair Triathlon
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The Seafair Triathlon, offers participants multiple disciplines on a flat, fast and picturesque triathlon course only 10 minutes from Downtown Seattle at Seattle’s Seward Park.
Seattle’s ONLY Triathlon will once again take over the shores of Lake Washington this summer and Seward Park is the perfect backdrop for this flat, fast and picturesque triathlon course in the shadows of Downtown Seattle.
The event offers participants a unique opportunity to participate in a sprint distance triathlon or super sprint distance in an urban setting. Swimming in warm, calm waters, riding in protected roadways and running through Seward Park, this is the Pacific Northwest’s premier triathlon.
Offering a Kids Tri as well, there is a distance for everyone in the family at the Seafair Triathlon!
Join us in 2026 at the Seafair Triathlon with over 1,500 health enthusiasts taking part in the event.
Take a look at the list of events to see which event is right for you.
Seattle’s ONLY Triathlon will once again take over the shores of Lake Washington this summer and Seward Park is the perfect backdrop for this flat, fast and picturesque triathlon course in the shadows of Downtown Seattle.
The event offers participants a unique opportunity to participate in a sprint distance triathlon or super sprint distance in an urban setting. Swimming in warm, calm waters, riding in protected roadways and running through Seward Park, this is the Pacific Northwest’s premier triathlon.
Offering a Kids Tri as well, there is a distance for everyone in the family at the Seafair Triathlon!
Join us in 2026 at the Seafair Triathlon with over 1,500 health enthusiasts taking part in the event.
Take a look at the list of events to see which event is right for you.
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Where is it happening?
Seward Park, 5402 55th Ave S, Seattle, WA 98118-2509, United States
Event Location & Nearby Stays:
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Host or PublisherSeafair Festival
