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Meaning of triathlon

tri•ath•lon

Pronunciation: (trī-ath'lun), [key]
— n.
  1. an athletic contest comprising three consecutive events, usually swimming, bicycling, and distance running.
  2. a women's track-and-field competition comprising the 100-meter dash, high jump, and shot put.
  3. a competition comprising fly-casting, horseback-riding, and trapshooting events.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.