The Olympics have a Decathlon every four years. After that, the World Championship of Athletics holds a Decathlon every 2 years on odd numbered years. There are numerous other Decathlons, perhaps the most prestigious international decathlon annually is the Hypo-Meeting in Gotzis, Austria. Decathlon has also been used to name many other combined activities. The Academic Decathlon is such a test of for high school students.
The correct spelling is decathlon.
A decathlon :)
The word decathlon does not have an antonym.
The Activision Decathlon happened in 1983.
The Last Decathlon was created in 1980.
Olympic Decathlon was created in 1980.
Olympic Decathlon happened in 1981.
Intellectual Decathlon happened in 1984.
Intellectual Decathlon was created in 1984.
Decathlon Group was created in 1976.
30 minutes is the usual allocated time between events.The answer truly depends on the rulebook used on that tier of competition and the location where the decathlon is held.