The record for the Boston Celtics from 2007-2008 is 66-16 and also won the NBA championship
The Boston Celtics regular season record was 68-14 in the 1972-73 season.
The Celtics record was 62-20 for the 2008-2009 season.
The Celtics record in the 2006-07 season was 24-58.
In the 2000-01 season, the Boston Celtics had a 36-46 record.
66-16
Including the Playoffs, The Boston Celtics went 48-7 at home.
18 conseutive losses in 2006-2007 season
Through the 2011 season, the Boston Red Sox have 8,909 wins and 8,305 losses.
At the end of the 2008-2009 season, the Celtics had a record of 2906-1992. Add the won-lost record of the team since then for totals. You can also find the cumulative record at the related link below.
the Boston celtics 24-2
'86 Boston Celtics... with a record of 40-1.
The Boston Celtics have won 17 NBA titles.