1 triathlon event in Sammamish, Washington

Join us for the 2026 Beaver Lake Triathlon 1/4-mile swim in beautiful Beaver Lake, 13.7-mile hilly road bike (Duthie Hill) followed by a flat and fast 4.3-mile neighborhood run. The last half mile is through the enchanted forests. Break the course recorded and get a cash bonus. 1:14:12. We have a great weekend planned just for you starting off with the pre-race safety briefing on August 27, 2026, 7 pm PDT Live Stream. On August 29, 2026, at 4 pm to 5:30 pm we have the pre-race Pasta Feed at Redmond Town Center Flatstick Restaurant and Grill (Free Parking). Take the Link Light Rail to the front door. Race day check in at 7 am and rack the bikes. Not up for the full grab a relay partner and form your team. Corporate teams are welcome. Mark your calendar for 3 pm after the race and we wll be awarding the champions their trophies at Pine Lake Ale House. Don't miss! Once again, we would like to thank the City of Sammamish and King County for their continued support.

Event details and schedule

There are plenty of parking spaces and restrooms at the Beaver Lake starting line. Weather for race day is generally cool 60s and sunny. No floatation devices are allowed in the swim, no motorized bikes, and all bike handles need to be plugged. Good Luck!