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Seafair Triathlon

Sunday, July 24 @ 6:00 am - 1:00 pm

2021 Seafair Triathlon Recap 6

It wouldn’t be summer without Seafair

After a successful 2021 campaign in its new location, the Seafair Triathlon returns to Lake Sammamish State Park. Hundreds of athletes are yet again set to grace Sammamish shores as they run, bike, and swim their way through 500 acres of Sammamish and Issaquah. Open to all ages and skill levels, the race offers various course formats—including sprints, relays, and duathlons—that cater to the elite triathlete, casual racer, and children alike.

The WAC is the official athletic club of the Seafair Triathlon. WAC members receive 20 percent off their race registration when they use the code “WAC20”. Learn more about how to register online. Lake Sammamish State Park opens at 6 am on triathlon day. Also, the Spa at the WAC will have a relaxation station on-site to provide post-race massages and aid in recovery.



Sunday, July 24
6:00 am - 1:00 pm
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Lake Sammamish State Park
200 NW Sammamish Rd
Issaquah, WA 98027 United States