Seafair Triathlon 2026 — Seattle, WA

Date
July 19, 2026
Location
Seattle, WA
Venue
5900 Lake Washington Blvd S
Start Time
7:00 AM
Entry Fee
$30.00 – $135.00
Events
Sprint Triathlon, Super Sprint Triathlon, 3 Person Sprint Relay, 2 Person Sprint Relay, Sprint Duathlon, Kids Triathlon - Long Course
Includes
Participant Shirt | Youth Participant Shirt
Welcome to the Seafair Triathlon! Seattle's only triathlon will once again take place on the shores of Lake Washington at Seward Park. Offering participants multiple disciplines on a flat, fast and picturesque triathlon course in the shadows of downtown Seattle. This race is a must do for all triathletes in the northwest. The event offers participants a unique opportunity to participate in a sprint distance triathlon or super sprint distance in an urban setting. Swimming in a protected cove, riding on closed roadways and running through Seward Park, this is the Pacific Northwest's premier triathlon. Offering a Kids Triathlon as well, there is a distance for everyone in the family at the Seafair Triathlon! Join us in July for the Seafair Triathlon with over 1,800 health enthusiasts taking part in the event.

Hotels Near This Race

Find accommodation close to the start line in Seattle, WA. Sorted by distance from the race venue. Book early — race weekend hotels fill fast.

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Seafair Triathlon 2026 — Seattle, WA

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Race Travel Insurance

Don't forget travel insurance for July 19.

You've trained for months and booked a trip to Seattle, WA. A pre-race injury, a delayed flight, or a family emergency can derail the whole thing. Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it, and may cover medical costs if something goes wrong on the course. Plans typically only run 5-7% of your total trip cost — and running events are covered under standard plans with no additional coverage needed.

  • Trip cancellation up to 100% of prepaid costs
  • Running events covered under standard plans — no add-ons needed
  • Trip interruption up to 150% of non-refundable costs
  • Emergency medical up to $250,000
  • Cancel For Any Reason add-on available
  • 24/7 real-time support

Affiliate links — we may earn a commission at no cost to you. Coverage terms vary by state and plan. Review policy details before purchase.