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
Held at the end of June, the Tupper Lake Tinman is one of the longest-running triathlons in the country.
—
Lauren Breedlove, Travel + Leisure, 10 Jan. 2026
The two had bonded over triathlons, but neither expected to run into each other on race day.
—Nicole Villalpando, Austin American Statesman, 8 Jan. 2026
Her home was filled with triathlon medals, including awards from the famed Escape from Alcatraz Triathlon in San Francisco.
—Ryan MacAsero, Mercury News, 8 Jan. 2026
Ramona High School senior Isabella Accardi has committed to Black Hills State University in Spearfish, South Dakota, as an athlete on the women’s triathlon team.
—Stephanie Ogilvie, San Diego Union-Tribune, 30 Dec. 2025
See All Example Sentences for triathlon
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Lauren Breedlove, Travel + Leisure, 10 Jan. 2026
The two had bonded over triathlons, but neither expected to run into each other on race day.
—Nicole Villalpando, Austin American Statesman, 8 Jan. 2026
Her home was filled with triathlon medals, including awards from the famed Escape from Alcatraz Triathlon in San Francisco.
—Ryan MacAsero, Mercury News, 8 Jan. 2026
Ramona High School senior Isabella Accardi has committed to Black Hills State University in Spearfish, South Dakota, as an athlete on the women’s triathlon team.
—Stephanie Ogilvie, San Diego Union-Tribune, 30 Dec. 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 16 Jan. 2026.
Copy CitationKids Definition
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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