The icosathlon, also called double decathlon, is an ultra combined events of track and field competition consisting of 20 events. The word "icosathlon" was formed, in analogy to the word "decathlon", from Greek εἴκοσι and ἄθλος.
Image: Detmer 3000st Lynchburg 2010
Image: Janvrin on the shotput event in Turku 2002
Joseph Detmer on 3000m steeple in Lynchburg (2010)
Kip Janvrin on the shotput event in Turku (2002)
The tetradecathlon, also called double heptathlon, is an ultra combined events of track and field competition consisting of 14 events. The word "tetradecathlon" was formed, in analogy to the word "decathlon", from Greek Τετράδέκα and ἄθλος.
Image: 100m hurdles Tetradecathlon Championship 2016
Image: Hight jump in tetradecathlon Delft 2009
Image: Javelin throw in tetradecathlon
Image: Tetradecathlon World Championship Espoo 1990