2011 World Championships in Athletics – Women's heptathlon 2011 World Championships in Athletics – Women's heptathlon ] The Women's Heptathlon at the 2011 World Championships in Athletics was held at the Daegu Stadium on 29 and 30 August. Before the competition, reigning champion Jessica Ennis was top of the year's heptathlon rankings (6790 points) and was closely followed by Tatyana Chernova who had set a personal best. The 2009 silver medallist Jennifer Oeser was also in good form while Nataliya Dobrynska and Hyleas Fountain (first and second at the 2008 Olympics) were the other high-profile competitors. Tatyana Chernova won the gold medal finishing 129 points ahead of Jessica
Doping at the World Championships in Athletics disqualifications within a given event. Where the same athlete has been disqualified at multiple editions of the championships, each athlete disqualified per year is counted. "Last updated 17 March 2018" Doping at the World Championships in Athletics As a signatory to the World Anti-Doping Code, the International Association of Athletics Federations (IAAF) prohibits the use of banned performance-enhancing substances by competitors at the World Championships in Athletics. A list of WADA-banned substances is regularly published to the public and amended as scientific knowledge expands. The IAAF and anti-doping bodies undertake in-competition sampling of athletes blood and urine in order to