triathlon Hear it!

triathlon definition

☆ tri·ath·lon (trī at̸h′län, -lən)

noun

an endurance race combining three consecutive events (swimming, bicycling, and running)

Etymology: tri- + Gr athlon, a contest

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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