Started back on March 16th, mentioned here, detailed here in the original Washington Post article complete with brackets.
Baltimore's The Raven made the Final Four. "The Raven, America's last hope, remains the eternal bridegroom. The clean, malty lager has finished in Beer Madness's Final Four for three years straight but has never pushed its way to the top."
The winner, by a narrow 5-4 victory over Nogne O Plale Ale from Norway: Samuel Smith Oatmeal Stout from England. Details here in the final WaPo article in the series.