Orca Half Marathon Sat September 16 The Orca Half is 13.1 of the most scenic miles that you will ever run! The course is 100% along the West Seattle waterfront, from Alki to Lincoln Park. Half Marathon Pacific Northwest : Running Register Location Seattle, Washington Seattle, WA 98101 United States Organizer Orca Running Email: ashley@blackfishventuresllc.com View Organizer Website