13 mile course:
Water start in East Channel of Lake Washington from Newcastle Beach Park, South towards southern tip of Mercer Island and around the island in a clock-wise direction finishing back at Newcastle Beach Park for beach finish. Organizers may make a race-day decision to reverse the course, depending on prevailing winds. It’s always better to finish with a tail wind instead of a headwind!

3-1/2 mile course:
Water start and two laps around a buoyed course off of the shore of Newcastle Beach Park. Beach finish. 

Kids Race:
Approximately 1/2 mile buoyed course in front of the Newcastle Beach Park.