Half Marathon Races in Washington | RaceThread

A half marathon in Washington is a runner's paradise. With a mild climate and abundant sunshine, the pacific northwest invites athletes to compete in world class events. Find your next half marathon in Washington with our easy to use search tool. Scan and review every race along with relevant details to help plan your next half marathon.

Washington Half Marathons draw crowds of running enthusiasts who want to set new personal records in easy courses. Race courses run across the small coastal city Anacortes; the rural highways of Bainbridge Island; the hilly terrains of Bellevue; and the rainy city Seattle.