Join us for the inaugural Sammamish Marathon. This USATF certified course (Boston Marathon Qualifier) runs along Lake Sammamish and Sammamish River. Great views of the landscape for this flat and fast course. All registered runners get a custom designed 2025 Sammamish Marathon long sleeve technical T-Shirt. All finishers receive a Sammamish Marathon Finisher medal. 

Event details and schedule

There is plenty of parking at the Issaquah Court house. Cool temperatures make for a great run!