The 2013 King County Executive election took place on November 5, 2013, following a primary on August 6, 2013. Incumbent County Executive Dow Constantine ran for re-election to a second term. He faced little-known opponents, including perennial candidates Alan Lobdell and Goodspaceguy, and placed first in the primary with 77 percent of the vote. Lobdell, who placed second with 12 percent, advanced to the general election. Constantine defeated Lobdell in a landslide, winning his second term, 78-21 percent.