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Definition of triathlon

triathlon

/traɪˈæθ.lɑːn/
tri · ath · lon
Plural:triathlons
•
Adjective:triathletic
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triathlon Lexical Profile

triathlon Game Scores & Validity

• noun

1

An endurance athletic contest consisting of three sequential, continuous events, typically long-distance swimming, cycling, and running.

Example

"She spent six months training for her first Olympic-distance triathlon."

• Rhymes for triathlon

• Nearby Words

triangulation
triassic
triathlete
triathlon
tribal
tribalism
tribalist

Word Origin & Etymology

Coined in the early 20th century from the Greek elements 'tri-' (three) and 'athlon' (contest or prize), modeled on 'pentathlon' and 'decathlon'.

Cite this Entry

Wordmom. (2026). Definition of Triathlon. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/triathlon
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