The TDI dart league has provided organized weekly competition at various locations around town since 1976. TDI was the 1st league inducted into the National Darts Hall of Fame (1998).

The Washington Area Darts Association is the oldest and largest in the Washington metropolitan area. Incorporated in 1969, the league has grown to over 13,000 members in the last 27 years, and averages over 140 teams a season throughout D.C., Maryland and Virginia. WADA was founded with the belief that darts is both a competitive and fun sport.