Jessica Ennis of the Great Britain celebrates after 800 meters of women's heptathlon at the 2009 IAAF Athletics World Championships in Berlin, Germany, on Aug. 16, 2009. Jessica Ennis claimed the title of heptathlon. [Xinhua]

Britain's Jessica Ennis won Britain's first ever heptathlon gold at the World Championships Sunday.

The 23-year-old sealed the win by winning her heat in the final 800m event to finish on 6,731 points, 238 clear of Germany's Jennifer Oeser.