Road Closures

The Portland Marathon will be held on Sunday October 4, 2015  beginning at 7 AM. Traffic will be impacted throughout the day, and in some cases, certain major thoroughfares will be closed from 6:30AM to 3:00PM or later. Times are approximate and may vary by up to 30 minutes.

Download Traffic Impacts 2014 PDF (2015 will include little to no changes)

SW Naito Parkway, SW Main, SW Madison, SW Taylor, SW Salmon, NW Couch, SW 3rd, SW 4th, NW Raleigh, NW 17th, NW Thurman, NW Wardway, NW St. Helens Road, N Willamette Blvd, N Greeley and N Interstate, NW Lovejoy, NW Broadway are all impacted by the race to a significant degree throughout the day and should be avoided.

The Marathon Course route is closed to all unauthorized vehicular and bicycle traffic.  There are no exceptions.


SW 4th Ave. from SW Columbia to SW Taylor

SW 3rd Ave. from SW Columbia to SW Taylor

SW Main & SW Madison from SW 3rd to SW 5th

SW Salmon & SW Taylor from Naito to SW 5th   


2014 Marathon Bridge Impact Statement
St. Johns: 
Bridge Ave. (South side of bridge) from Hwy 30 to the bridge CLOSED to ALL vehicular, bicycle and pedestrian traffic from 7am-1:30pm.  One lane each direction on the bridge will remain OPEN to traffic. Bridge access will be from North side Germantown Rd ramp.

Broadway:  E/B lanes CLOSED from 7:00 am to 3:00 pm (Except for Streetcar)

Morrison:   W/B lanes CLOSED from 6:00 am to 8:45am

Burnside:   W/B lanes CLOSED 6:30-8:00am (Except for Tri-Met Buses)


I-5 S/B City Center exit to Morrison Bridge- CLOSED 6am-8:45am

I-5 N/B Greely St exit CLOSED 7am to 2pm

I-405 N 4th Ave. exit Ramp CLOSED 6am-8:45am


SW 4th (Salmon to NW Couch)  CLOSED from 6am-8am

NW Couch (Broadway to Naito) CLOSED from 6am-3pm

SW Naito: CLOSED from SW Barbur to NW Kittridge 6am-11am

S/B lanes from NW Couch to SW Salmon CLOSED until 3pm

SW 1st (Lincoln to Porter) CLOSED from 6am-8:30am

SW Hooker (1st to Barbur) CLOSED from 6am-10:00am


NW 17th  NW Raleigh, Thurman and Wardway are CLOSED 6:30-11am

Portions of NW 26th, Savier & 24th are CLOSED 6:30-11am

NW Broadway (Broadway Bridge to Couch) CLOSED 6:30am-3:00pm

NW Couch (Broadway to Naito) CLOSED 6:30am-3:00pm


N Willamette Blvd: CLOSED 7:30am-1:30pm

N Greeley: Southbound CLOSED from Killingsworth to Interstate 7:30am-2pm

N Interstate: Southbound CLOSED from Greeley to Broadway Br. 7:30am-2:30pm

"Best Race in October" - Runner's World