The Medical Lake Trailblazer Tri/Du/5k is one of the many things to do in Medical Lake on Founders Day weekend. This is an athlete-friendly race with an out-and-back open water swim, bike, and run on paved roads & trails.
Trailblazer TriathlonA 350m swim, 10.2mi bike ride, and 2.92 mi run starting and ending at Waterfront Park. 
Trailblazer DuathlonA 1mi run, 10.2mi bike ride, and 2.92 mi run starting and ending at Waterfront Park. 
Trailblazer 5kA traditional 2.92 mi run around Medical Lake Trail starting and ending at Waterfront Park.