Northbound SR 99 closed for marathon through downtown Seattle on June 18
The 2017 Seattle Rock and Roll Marathon will close northbound SR 99 through downtown Seattle on Sunday, June 18. Northbound SR 99 will be closed from South Hudson Street to Halladay Street between approximately 7 a.m. and 3 p.m.
Although the marathon is scheduled to last until 3 p.m., the Seattle Department of Transportation is planning to reopen SR 99 and the Alaskan Way Viaduct as early as possible once the runners have passed this part of the course. Please refer to the event website for more specific information on other road closures and parking restrictions related to the event.