The 38th annual Portland Marathon will be run on Sunday, October 5, 2008.  Traffic will be affected throughout the day, and some major streets and bridges will be closed from 6:30 a.m. to 3:00 p.m. or later.  

SW Naito Parkway, SW Salmon Street, SW 3rd and 4th avenues, SW Broadway, NW Davis Street, NW Lovejoy, NW 9th Avenue, NW Raleigh and Thurman streets, NW Wardway, NW St. Helens Road, N Willamette Boulevard, N Greeley, and N Interstate are all impacted by the race to a significant degree throughout the day and should be avoided.

The Broadway Bridge will be CLOSED to westbound traffic from 10:00 a.m. to noon, and the Morrison Bridge will be CLOSED to westbound traffic between 6:00 and 8:45am. The Burnside Bridge will be CLOSED to westbound traffic between 6:30 and 9:00 a.m. The St. Johns Bridge will have one lane open to traffic in each direction.

TriMet routes will also be affected.  Click here for more on TriMet detours.

The Marathon Course route is closed to all unauthorized vehicular and bicycle traffic.  For more detailed information on the street closures, or to download a PDF map of the traffic control plan for this event, visit the Keep Portland Moving special events page.