tri·​ath·​lon | \ trī-ˈath-lən How to pronounce triathlon (audio) , -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

Recent Examples on the Web

One inspiring thing Fourteen-year-old Tim Bannon does it all — from nailing a field goal to finishing a triathlon to landing a 20-foot box jump — despite being born without arms. Petra Cahill, NBC News, "Dorian hits North Carolina, Mugabe dies and defense rules as NFL season kicks off: The Morning Rundown," 6 Sep. 2019 The annual triathlon at Chula Vista Bayfront Park got off to a rocky start with San Diego County officials prohibiting swimming in the bay because of high bacteria levels. San Diego Union-Tribune, "Athletes with disabilities ‘inspire’ at Chula Vista race," 11 Aug. 2019 Leif Vigeland, 36, left his east Vancouver home Thursday on a black Trek road bike to train for a triathlon, according to the Vancouver Police Department., "Missing Vancouver cyclist found dead in Columbia River," 2 July 2019 Stelter adds: These two companies are like runners at the start of a marathon already thinking about doing a triathlon. Oliver Darcy, CNN, "Democrats take aim at the media," 13 Aug. 2019 Dave loved the running and triathlon community and was always chasing his next PR., "Deaths in Central Florida: 8/16," 16 Aug. 2019 The young businessman, accustomed to surfing, participating in triathlons, marathons, swimming and extreme sports, Pardo was left in a wheelchair without being able to move his left arm. Yvonne H. Valdez,, "MasterChef Latino finalist John Pardo of Miami: Living, cooking, inspiring ‘in his own way’," 15 Aug. 2019 Or men training for ironman triathlons (which can require up to 50 hours per month of training)? Maren Thomas Bannon, Quartz, "How can we talk about workplace equality when we still punish women for getting pregnant?," 13 Aug. 2019 The three-day event concludes Sunday morning with a sprint-distance open triathlon at Edgewater Park., "2019 USA Triathlon Age Group Championships: Justin Lippert repeats, Rachel Mensch wins (photos)," 10 Aug. 2019

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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Statistics for triathlon

Last Updated

21 Sep 2019

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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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miscellaneous remnants or debris

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