The 2009–10 season was Bolton Wanderers 11th season in the Premier League, and their ninth consecutive season in the top division of English football and covers the period from 1 July 2009 to 30 June 2010. Bolton Wanderers failed to win the 2009–10 Premier League title, making it the 71st time that they have competed at the top level without winning the title, the most of any club.