triathlon
tri·ath·lon
noun \trī-ˈath-lən, -ˌlän, ÷-ˈa-thə-\Definition of TRIATHLON
: an athletic contest that is a long-distance race consisting of three phases (as swimming, bicycling, and running)
See Origin of TRIATHLON
tri- + -athlon (as in decathlon)
First Known Use: 1973
Rhymes with TRIATHLON
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