The 2009 UCI Track Cycling World Championships are the World Championship for track cycling. They took place at the BGŻ Arena in Pruszków, Poland from 25 to 29 March 2009. Nineteen events were on the programme, with the women's omnium being added to the eighteen events contested at the 2008 championships. Australia topped the medal table with four gold medals, with France on second and Great Britain on third place.