This from the City of Tacoma:
To accommodate the Tacoma City Marathon on Sunday, May 5, there will be restricted access to most City streets for the duration of the event from 7:30 a.m. to 1 p.m. Detour routes will be posted.
Street closures: North 26th Street between Adams and Proctor streets.
Restricted access: Southbound lane of Ruston Way and the northbound lane of Schuster Parkway, including the I-705 off-ramp and from 7th Street and Pacific Avenue to Ruston Way.
City of Ruston: Various residential streets will be closed in Ruston.