2015 World Championships in Athletics – Women's heptathlon 2015 World Championships in Athletics – Women's heptathlon The women's heptathlon at the 2015 World Championships in Athletics was held at the Beijing National Stadium on 22 and 23 August. Hanna Kasyanova (née Melnychenko) of Ukraine entered the competition as defending champion, although the favourite for the competition was the silver medalist of 2013 World Championships Brianne Theisen-Eaton who is the world leader by a margin of more than 250 points. Other potential winners and medalists were 2009 World and 2012 Olympic champion Jessica Ennis-Hill, returning from giving birth to her first child, 2015 European pentathlon champion and 2014 world
1500 metres at the World Championships in Athletics only athlete to have won both middle-distance titles, having done an 800 m/1500 m double at the 2005 World Championships in Athletics. The first two women's champions Mary Decker and Tatyana Dorovskikh both completed 1500 m/3000 m World Championships doubles, while Bernard Lagat completed a 1500 m/5000 metres double at the 2007 World Championships. Steve Cram, the inaugural men's winner, is the only non-African-born man to win the World Championship event. Algeria is the most successful nation in the discipline, having won five gold medals across the men's and women's event. Morocco and Bahrain each have won four gold medals,