triathlon

noun

tri·​ath·​lon trī-ˈath-lən How to pronounce triathlon (audio)
-ˌlän,
 nonstandard  -ˈa-thə-
: an athletic contest that is a long-distance race consisting of three phases (such as swimming, bicycling, and running)

Examples of triathlon in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Her travel schedule for triathlon left very little time to train specifically for cycling. Frederick Dreier, Outside Online, 21 Nov. 2024 Long Beach will host triathlon and marathon swimming. Ivana Saric, Axios, 12 Aug. 2024 The revelation that the Y-Foil was designed not for triathlons but for the cobblestones of Europe was almost harder to believe than the whole George Plimpton thing. Eben Weiss, Outside Online, 22 Nov. 2024 Last summer, trailing by 14 seconds with 2.5km remaining of the triathlon’s run remaining, the British athlete overhauled New Zealander Hayden Wilde to claim victory. Matt Woosnam, The Athletic, 21 Jan. 2025 See All Example Sentences for triathlon

Word History

Etymology

tri- + -athlon (as in decathlon)

First Known Use

1924, in the meaning defined above

Time Traveler
The first known use of triathlon was in 1924

Browse Nearby Words

Cite this Entry

“Triathlon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triathlon. Accessed 12 Mar. 2025.

Kids Definition

triathlon

noun
tri·​ath·​lon ˌtrī-ˈath-ˌlän How to pronounce triathlon (audio)
: an athletic contest that is a long-distance race consisting of three phases (as swimming, bicycling, and running)

More from Merriam-Webster on triathlon

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