Ancient History. An athletic contest consisting of five disciplines (jumping, running, discus throwing, javelin throwing, and wrestling), all…

= pentathlon, n. 1.

In modern times. In full modern pentathlon. A men's or women's sporting competition consisting of fencing, shooting, swimming, riding, and…

In the modern Olympic games, a composite contest consisting of ten specific events. Also attributive.

An athletic event consisting of skiing and shooting performed by the same contestants.

An athletic contest comprising a series of four events, esp. one (for juveniles) comprising riding, shooting, swimming, and running.

An athletic or sporting contest composed of three different events.

An athletic contest, usually for women, consisting of seven different events.

Sport (originally U.S.). Usually as one word and with capital initial(s). A triathlon consisting of a 2.4-mile swim followed by a 112-mile cycle…