Ride the wave with other athletes from around the Pacific Northwest who are charting their winning course by swimming, cycling and running their way to fitness and athletic excellence in preparation for this years Seafair Triathlon. Grab your first mates and come out to Seward Park on Lake Washington. This beautiful and scenic course offers an incredible experience for athletes of all ability levels. Our Tri includes Olympic and Sprint distance courses as well as 2-person and 3-person relay options. Kids can "tri," too! Have the whole family join in on the fun with our Kid's Beginner and Intermediate courses.