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triathlon

noun [C]
 
 
/traɪˈæθ.lɒn/ US  /-lɑːn/

Definition

a competition in which the people competing must swim, ride a bicycle, and run particular distances without stopping between eventsAthletics triathlete
 
 
noun [C]
someone who competes in a triathlonCompetitors and participants in sports and gamesAthletics
(Definition of triathlon noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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