triathlon
noun
tri·ath·lon
trī-ˈath-lən 
-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
Diane has won not one, not two, but three triathlons!
—
Liza Esquibias, PEOPLE, 4 Sep. 2025
Maggie Muglia, a 25-year-old from Arlington Heights, participated in the 2023 competition for her first triathlon.
—Cam'ron Hardy, Chicago Tribune, 24 Aug. 2025
What’s not yet clear is how useful this Fitbit AI coach will be for the more engaged and enthusiastic exercisers, the kind who might train for marathons, triathlons and other events.
—Andrew Williams, Forbes.com, 22 Aug. 2025
In fact, working on the series inspired her to start doing marathons and triathlons.
—Emy Lacroix, People.com, 17 Aug. 2025
See All Example Sentences for triathlon
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Liza Esquibias, PEOPLE, 4 Sep. 2025
Maggie Muglia, a 25-year-old from Arlington Heights, participated in the 2023 competition for her first triathlon.
—Cam'ron Hardy, Chicago Tribune, 24 Aug. 2025
What’s not yet clear is how useful this Fitbit AI coach will be for the more engaged and enthusiastic exercisers, the kind who might train for marathons, triathlons and other events.
—Andrew Williams, Forbes.com, 22 Aug. 2025
In fact, working on the series inspired her to start doing marathons and triathlons.
—Emy Lacroix, People.com, 17 Aug. 2025
See All Example Sentences for triathlon
Cite this Entry
“Triathlon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triathlon. Accessed 11 Sep. 2025.
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triathlon
noun
tri·ath·lon
ˌtrī-ˈath-ˌlän
: an athletic contest that is a long-distance race consisting of three phases (as swimming, bicycling, and running)
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