Icosathlon 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 event will be held in Helsinki, Finland. 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
United States Academic Decathlon President of the Orange County Academic Decathlon Association put it in 1970), but also to "change C students' lives". The inaugural competition, held in December 1968, hosted 103 students from 20 local high schools. At first only regional contests were held, organized by the Orange County Academic Decathlon Corporation (OCAD) with the assistance of the Orange County Department of Education. In 1971, when the grand jury recommended that the Orange County Department of Education should no longer play a part in the competition, full control was handed over to the OCAD. In 1979, the first statewide competition was held, and