• Triathlon-Super Sprint - Rattlesnake Lake Triathlon Registration
  • Triathlon-Super Sprint - Relay


Hidden gem racing course in the heart of the Snoqualmie Mountains is a beautiful lake and off-road biking trails, and perfect course for a spring warm up or a beginner’s triathlon. The quarter mile swim in brisk mountain snowmelt off the cascade mountains, followed by a 10 mile off road bike and a 6k run. The property is owned and maintained by Seattle Public Utilities. All entrants receive custom designed T-Shirt, authentic Rattlesnake Lake hand towel, bumper sticker, coaster, and gel pack. The event is sanctioned by the USAT.

Event details and schedule

Parking is avaible with Discover Pass $30 Annual or $10 day.

Organised by

Sammamish Running

27206 SE 10th Street, Sammamish

Phone: 708-668-5488

Event Images