I’m not sure I am ready for the linguistic minefield, but the actual streamlining of the event might make some sense:
http://www.nytimes.com/2008/11/27/sports/olympics/27pentathlon.html?th&emc=th
Well, really, whatever you call it, its a rather hokey combination of disciplines, even by Olympics standards. How many modern soldiers need to be proficient at horseback riding? Oh well.