Beaver Lake Triathlon
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Beaver Lake Triathlon (Sammamish, WA)
The Beaver Lake Triathlon takes place on August 30, 2026, at Beaver Lake in Sammamish, Washington. The event uses lake, road, and neighborhood routes around the Beaver Lake area and is based at 25201 SE 24th St, Sammamish, WA 98075.
Distances included in the event:
- 1/4 mile swim
- approximately 13.4 mile road bike
- 4.3 mile run
The swim occurs in Beaver Lake with lifeguards on site. The bike course includes a climb up Duthie Hill and follows a lollipop route with views of the Cascade mountains and rural farm homes. The run loops around Beaver Lake and passes through the Beaver Lake Estates neighborhoods and adjacent forest sections.
All entrants must hold a USA Triathlon (USAT) membership; one day memberships are available. Packet pickup and a pasta feed are scheduled the day before at Redmond Town Center. Included items for registrants vary by entry type and may include a long sleeve mesh race shirt, a finisher medal for relay entries, and entry to the pasta feed. Free parking is noted for the event. Visit the organization's website for the most recent information.
