Duluth, MN (NNCNOW.com) --- Duluth police will begin to detour traffic off of Railroad Street and Harbor Drive around 7:30 Sunday morning for the Y.W.C.A Mother's Day Walk/Run. Railroad Street will be closed to traffic between 5th Avenue West and Garfield Avenue. Harbor drive behind the DECC will also be closed for the event. The Run/Walk event begins on Harbir Drive near the William Irvin. Participants will run west bound behind the DECC and onto the sidewalk leading into Bayfront Park. They will continue throughthe Bayfront gravel parking lot to Railroad Street and turn west to a turnaround point and back the same route to finish on Harbor Drive. The DECC main Railroad Street entrance and the Harbor Drive entrance/exit near the Irvin will remain open. However, no traffic will be allowed on Harbor Drive south of the Harbor Drive DECC gate. 5th Avenue West will remain open as the connector down to Railroad Street. The Aquarium lot will be closed briefly but will reopen at 9:45 AM. Roads should return to normal traffic flow approximately 11:30.