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
2018 IAAF World U20 Championships total 156 countries (plus the teams from Authorized Neutral Athletes and Athlete Refugee team) and 1462 athletes are scheduled to compete. 2018 IAAF World U20 Championships The 2018 World U20 Championships in Athletics, also known as the World Junior Championships, are an international athletics competition for athletes qualifying as juniors (born no earlier than 1 January 1999) taking place at Tampere Stadium in Tampere, Finland on 10–15 July 2018. The championships were originally awarded to Tampere by the IAAF in March, 2016. USA won the ranking in the placing table. The following is a list of participating nations with the