Beaver Lake Triathon
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Beaver Lake Triathlon 2026 - Sammamish, WA
The Beaver Lake Triathlon 2026 is held at Beaver Lake in Sammamish, Washington and is organized by Sammamish Running. The event is staged as a super sprint triathlon with separate entry categories including a full individual race and relay teams, plus several sponsorship options.
The course components listed are:
- 1/4-mile swim in Beaver Lake
- 13.7-mile road bike on hilly terrain including Duthie Hill
- 4.3-mile neighborhood run that is largely flat, with the last half mile through forest
Race notes list a course record of 1:14:12 and indicate a cash bonus is available for breaking the course record. Event facilities at the Beaver Lake start include parking spaces and restrooms. Swim and bike rules include no flotation devices in the swim, no motorized bikes, and a requirement that bike handlebars be plugged.
Pre-race activities include a safety briefing on August 27, 2026 delivered via livestream and a pre-race pasta feed with a live band at the Beaver Lake start on August 29, 2026. An awards ceremony is scheduled after the race at Pine Lake Ale House. Entry fees shown include $95 for the full triathlon and $135 for the relay; multiple sponsor packages are also listed. Visit the organization's website for the most recent information.
