He represented his country at the 2011 World Championships without qualifying for the final .
Karsten Dilla ( born 17 July 1989 ) is a German athlete specialising in the pole vault .
Karsten Dilla represented Karsten Dilla 's country at the 2011 World Championships without qualifying for the final .
Karsten Dilla ( born 17 July 1989 ) is a German athlete specialising in the pole vault .