[ trahy-ath-luh n ]
/ traɪˈæθ lən /


an athletic contest comprising three consecutive events, usually swimming, bicycling, and distance running.
a women's track-and-field competition comprising the 100-meter dash, high jump, and shot put.
British. a competition comprising fly-casting, horseback-riding, and trapshooting events.

Origin of triathlon

First recorded in 1970–75; tri- + (dec)athlon Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for triathlon

British Dictionary definitions for triathlon

/ (traɪˈæθlɒn) /


an athletic contest in which each athlete competes in three different events: swimming, cycling, and running

Derived forms of triathlon

triathlete, noun

Word Origin for triathlon

C20: from tri- + Greek athlon contest
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012