The Dallas Mavericks won the NBA championship in 2011. They defeated the Miami Heat in the NBA Finals with a series score of 4-2, capturing their first NBA title in franchise history.

The 2011 Finals featured the Western Conference champion Dallas Mavericks against the Eastern Conference champion Miami Heat, a rematch of the 2006 Finals. Despite Miami being the heavy favorites and winning the opening game, the Mavericks won three of the final four games to claim the championship. Dirk Nowitzki was named the Finals MVP for his outstanding performance throughout the series, solidifying his place as the greatest player in Mavericks history.

The Mavericks' victory was notable for its underdog nature, as they overcame a star-studded Miami team. The team relied on veteran leadership and strong team defense, with contributions from players like Jason Kidd and Jason Terry complementing Nowitzki's scoring. The Finals are widely regarded as one of the greatest in NBA history.