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.
Sprint Triathlon: Participant Shirt
Super Sprint Triathlon: Participant Shirt
3 Person Sprint Relay: Participant Shirt
2 Person Sprint Relay: Participant Shirt
Sprint Duathlon: Participant Shirt
Kids Triathlon - Long Course: Youth Participant Shirt
Kids Triathlon - Short Course: Youth Participant Shirt
| Distance | Price | Opens | Closes |
|---|---|---|---|
| Sprint Triathlon | $85.00 | Feb 2 | Apr 11 |
| $95.00 | Apr 11 | May 23 | |
| $105.00 | May 23 | Jun 27 | |
| $115.00 | Jun 27 | Jul 18 | |
| $125.00 | Jul 18 | Jul 20 | |
| Super Sprint Triathlon | $85.00 | Feb 2 | Apr 11 |
| $95.00 |
Interested in this race?
| Apr 11 |
| May 23 |
| $105.00 | May 23 | Jun 27 |
| $115.00 | Jun 27 | Jul 18 |
| $125.00 | Jul 18 | Jul 20 |
| 3 Person Sprint Relay | $95.00 | Feb 2 | Apr 11 |
| $105.00 | Apr 11 | May 23 |
| $115.00 | May 23 | Jun 27 |
| $125.00 | Jun 27 | Jul 18 |
| $135.00 | Jul 18 | Jul 19 |
| 2 Person Sprint Relay | $90.00 | Feb 2 | Apr 11 |
| $100.00 | Apr 11 | May 23 |
| $110.00 | May 23 | Jun 27 |
| $115.00 | Jun 27 | Jul 18 |
| $130.00 | Jul 18 | Jul 19 |
| Sprint Duathlon | $70.00 | Feb 2 | Apr 11 |
| $80.00 | Apr 11 | May 23 |
| $90.00 | May 23 | Jun 27 |
| $100.00 | Jun 27 | Jul 18 |
| $110.00 | Jul 18 | Jul 20 |
| Kids Triathlon - Long Course | $30.00 | Feb 2 | May 23 |
| $35.00 | May 23 | Jul 18 |
| $40.00 | Jul 18 | Jul 19 |
| Kids Triathlon - Short Course | $30.00 | Feb 2 | May 23 |
| $35.00 | May 23 | Jul 18 |
| $40.00 | Jul 18 | Jul 19 |