February 5, 2008
Presidential Preferential Primary Election

May 20, 2008
Preferential Primary Election & Nonpartisan General Election

June 10, 2008
General Primary Election (Runoff)

September 16, 2008
Annual School Election

November 4, 2008
General Election & Nonpartisan General Runoff Election

November 25, 2008
General Election Runoff Election (county & municipal)

Source: Arkansas Secretary of State
http://www.votenaturally.org/all_about_voting_08_election_dates.html