It determined the successor to two-term mayor Anthony A. Williams, who did not run for re-election.

He took office on January 2, 2007, becoming the sixth directly elected mayor since the establishment of home rule in the District, and — at 35 — the youngest elected mayor of a major American city in U.S. history.

David W. Kranich ran in the Republican Party primary election.

Albert Ceccone gathered signatures to run on the ballot as well, but after a challenge by Kranich, the District of Columbia Board of Elections and Ethics declared many of the signatures invalid.

[3] Chris Otten ran unopposed for the Statehood Green party's primary election.