Start running on 3rd St.
Turn LEFT on Oak St.
Turn RIGHT on 12th St.
Cross Lake Merritt Blvd/12th St signal, and enter into Lake Merritt. Merge LEFT onto Lake Merritt Waterfront path. (You'll be running clockwise around the lake -- Lakeside, Harrison, Grand, El Embarcadero and Lakeshore.)
Near the restrooms and by the intersection of Lake Merritt Blvd/12th St, slight LEFT towards the intersection. Cross the signalized intersection and run along 12th St.
Turn LEFT on Oak St.
Turn RIGHT on 3rd St.
Finish at Tiger's Taproom after 2 blocks (at the intersection of 3rd/Jackson).