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!

3.5-Mile Course
Water start and two laps around a buoyed course off of the shore of Newcastle Beach Park. Beach finish.

1/2 Mile Kids Races
Water start and buoyed one to two lap courses in front of the Newcastle Beach Park. Beach finish.