Icosathlon
The icosathlon, also called the double decathlon, is an ultra multi-event of track and field competition consisting of 20 events contested over two days. There is an extra rule, that each day should contain a pause of one hour. Mostly the competition is held over two days, but one-day icosathlons also exist. The first day of the standard icosathlon includes: On the second day of the standard icosathlon, the following events are contested: Each event is scored according to the decathlon scoring tables or, for non-decathlon events, the World Athletics points tables. At the conclusion of  each icosathlon, the competitor with the highest point total is declared the winner. The event is overseen by the International Association for Ultra Multievents (IAUM), which also holds the tetradecathlon based on the women's heptathlon. The men's world record for the standard icosathlon of 14,571 is held by Joseph Detmer of the United States. The women's world record of 11,091 is held by Kelly Rodmell. World Championships. EC – European Championships (no World Championships that year) Medal totals. NOTE: Only male athlete totals from 1990. Indoor equivalent. For indoor ultra-multievent meetings, all competitors compete in an indoor  tetradecathlon, spanning 14 events over 2 days. These events are as follows: Day 1 Day 2 Unlike in outdoor ultra multi event competitions, the number and order of events is the same for both genders. Records. Men Women This table of records is not officially acknowledged by the World Athletics but is considered by the International Association for Ultra Multievents (IAUM) as the best performance of all time since the foundation of the discipline in 1981. Competitions. The IAUM sponsors an icosathlon and tetradecathlon every year at the IAUM World Championships. The 2012 World Championships were held in Turnhout, Belgium . In addition, a variety of other icosathlon events are held, most notably the annual Dutch Double Decathlon, held in Delft, Netherlands. The 2015 event was held 19–20 September. The last European Championships were held on 6 and 7 September 2014 in Lodi, Lombardy, Italy (near Milan). The upcoming European Championships was held from 27–28 August 2016 in Cambridge, England. The 2017 event was held in Turnhout, Belgium and 2018 in Delft, Netherlands. The 2019 championship was held in Helsinki, Finland and the 2021 event was held in Épinal, France.