Heptathlon consisting of the same events as the men's competition in a slightly different order, and the IAAF has begun keeping records for it, but the heptathlon remains the championship-level combined event for women. Nafissatou Thiam, representing Belgium, is the 2016 Olympic Gold Medallist and the 2017 World Champion. There is also a Tetradecathlon, which is a double heptathlon, consisting of 14 events, seven events per day. The heptathlon scoring system was devised by Dr Karl Ulbrich, a Viennese mathematician. The formulae are constructed so that, for each event, a designated "standard" performance (for example, approximately 1.82 m for the high
2009 World Championships in Athletics – Women's heptathlon points. Tatyana Chernova, Ukrainians Hanna Melnychenko and Lyudmyla Yosypenko, and Germans Jennifer Oeser and Lilli Schwarzkopf were cited as medal contenders. After the first day, Ennis had built up a considerable lead, winning three of the four events and ending the day more than three hundred points ahead of second-ranked Dobrynska. Ennis' first day total of 4124 points was the third highest ever first day score in the heptathlon, behind Kluft and world record holder Jackie Joyner-Kersee. On the second day, unusually for a heptathlon competition, Linda Züblin set a Swiss record in the javelin throw. Ennis maintained her lead