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triathlon

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noun tri·ath·lon \trī-ˈath-lən, -ˌlän, ÷-ˈa-thə-\

Simple Definition of triathlon

  • sports : a long-distance race that has three parts (such as swimming, bicycling, and running)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of triathlon

  1. :  an athletic contest that is a long-distance race consisting of three phases (as swimming, bicycling, and running)

Origin and Etymology of triathlon

tri- + -athlon (as in decathlon)


First Known Use: 1973


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