tri·​ath·​lon | \trī-ˈath-lən, -ˌlän, nonstandard -ˈa-thə-\

Definition of triathlon 

: 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

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After being fired from her job at an art gallery for napping in a storage closet during lunchtime and botching a shipment, our protagonist prepares for her year of R & R with the same rigor that others might employ when training for a triathlon. New York Times, "A Woman Sleeps a Year Away in Ottessa Moshfegh’s Darkly Comic New Novel," 6 July 2018 This triathlon May 19 includes a 3K canoe, kayak or stand-up paddleboard across Boulder Lake; a 22K bike ride along rustic roads; and a 6K run. Chelsey Lewis, Milwaukee Journal Sentinel, "Morel Mushroom Festival, White Deer Triathlon and more to do around Wisconsin," 13 May 2018 Finishing third in the sprint triathlon were Larry Goldstein of Bel Air in 50-54 in 1:16:24; Robert Verk of Edgewood in 60-64, 1:27:32; and Karen Eder, Bel Air, Athena division, 1:50:59. Bill Blewett, The Aegis, "Harford triathletes fare well at Diamond in the Rough," 12 July 2018 In April 2008, a 66-year-old man training for a triathlon off the coast of Solana Beach was killed by what was believed to be a great white shark. Gary Warth,, "Three possible shark sightings reported off Oceanside in past week," 3 July 2018 According to the office, his bicycle was said to resemble a time trial bike or a triathlon bike. Martin Weil, Washington Post, "One bicyclist assaults another on W&OD trail in Virginia," 23 Apr. 2018 The swim is the most intimidating thing about a triathlon for most people. Mitchell Gladstone,, "A Q&A with Philadelphia Escape Triathlon director Bill Burke," 21 June 2018 Potential new members will be interested to know that the Mid-Maryland Triathlon Club and Atholton Swim Club partner to hold a kids’ triathlon each year. Christina Hyder, Howard County Times, "Keeping cool at local pools on the hot days of summer [North Laurel/Savage]," 21 June 2018 Along with a sense of accomplishment, Schultz said his 99 triathlons have provided him with more than a few subjects for homilies. Steve Sadin,, "Mass start: Schiller Park priest set to compete in 100th triathlon," 11 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'triathlon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of triathlon

1973, in the meaning defined above

History and Etymology for triathlon

tri- + -athlon (as in decathlon)

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Last Updated

14 Dec 2018

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Time Traveler for triathlon

The first known use of triathlon was in 1973

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English Language Learners Definition of triathlon

sports : a long-distance race that has three parts (such as swimming, bicycling, and running)

More from Merriam-Webster on triathlon

Rhyming Dictionary: Words that rhyme with triathlon Encyclopedia article about triathlon

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a nest or breeding place

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