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Your complete Oak Harbor 2025 marathon calendar. Find every marathon happening in Oak Harbor, Washington in 2025 with comprehensive race details, registration information, and official results, including the Deception Pass Marathon, and Whidbey Island Marathon.
Each marathon listing includes a 2025 marathon guide including dates, locations, course details, weather conditions, and relevant links for registration and more information. We maintain the most current results database, publishing official results on race day, plus complete 2024 results for year-to-year comparison.
Oak Harbor, Washington
April 27, 2025
The Deception Pass Marathon offers a breathtaking and challenging journey through the coastal trails of Whidbey Island, featuring the iconic Deception Pass Bridge and stunning water views. This race is a favorite for those seeking a technical and visually striking course, blending rugged terrain with the support and camaraderie of a well-organized event.
Oak Harbor, Washington
April 27, 2025
The Whidbey Island Marathon takes runners on a breathtaking journey across the Deception Pass Bridge, closed to traffic for panoramic views of the surrounding waters and mountains. Set in the scenic beauty of Oak Harbor, Washington, this race blends challenging terrains with excellent organization, creating an unforgettable experience for runners of all levels.