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
IAAF Combined Events Challenge entitled to $20,000 and $15,000 respectively. Smaller prizes are given to the rest of the top eight finishers. IAAF Combined Events Challenge The IAAF Combined Events Challenge is an athletics contest organised by the International Association of Athletics Federations (since 1998) for combined events, the heptathlon for women, and the decathlon for men. The winners are decided by totalling the number of points that the athletes have scored in each of three combined events competitions during the season. Points scored are determined by the IAAF combined events scoring tables. The total prize money available is US$202,000, split evenly between male