tri·​ath·​lete | \ trī-ˈath-ˌlēt, nonstandard -ˈa-thə-\

Definition of triathlete

: an athlete who competes in a triathlon

Examples of triathlete in a Sentence

Recent Examples on the Web

Danielson was a triathlete and Fulwell had done many other water sports. Alexa Philippou, The Seattle Times, "Sail like a girl: How an all-female team made history and won the 750-mile Race to Alaska," 14 July 2018 Ekberg Dvaladze and Danielson, the triathlete, performed like veterans and were the go-to bikers. Alexa Philippou, The Seattle Times, "Sail like a girl: How an all-female team made history and won the 750-mile Race to Alaska," 14 July 2018 Easy to navigate by bike, Boulder is a favorite of triathletes, who find joy in suffering up excruciating hills. Melanie D.g. Kaplan,, "Boulder, Colorado, does things its own way," 12 July 2018 Cameron Dye, a 34-year-old professional triathlete who has won the male division of the race two years in a row, said running the hills could get a little lonely, with fewer fans who might stop and watch on their way to somewhere else. New York Times, "To Reverse a Decline, New York Triathlon Skips an Incline," 28 May 2018 The unsurprising one is that the runners were more efficient than the cyclists at running (with the triathletes somewhere in the middle). Alex Hutchinson, Outside Online, "Training Makes Runners More Efficient, but Not Cyclists," 30 Apr. 2018 Team Lomachenko studies long-distance runners, triathletes and elite ski racers. Greg Bishop,, "Vasiliy Lomachenko's Rise to Boxing's Upper Echelon Began in Dance Classes Growing Up in Ukraine," 9 May 2018 Gray’s was not the only comfortable win by a Harford triathlete at Perryville. Bill Blewett, The Aegis, "Harford triathletes fare well at Diamond in the Rough," 12 July 2018 Donna thought Karen was there to coach some triathletes. Lori Riley,, "Wethersfield's Donna Smyers To Join Her Sister Karen In Triathlon Hall Of Fame," 4 June 2018

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

See More

First Known Use of triathlete

1982, in the meaning defined above

Keep scrolling for more

Learn More about triathlete

Share triathlete

Statistics for triathlete

Last Updated

27 Dec 2018

Look-up Popularity

Time Traveler for triathlete

The first known use of triathlete was in 1982

See more words from the same year

More from Merriam-Webster on triathlete

Rhyming Dictionary: Words that rhyme with triathlete

Comments on triathlete

What made you want to look up triathlete? Please tell us where you read or heard it (including the quote, if possible).


to gather or build up little by little

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
True or False

Test your knowledge - and maybe learn something along the way.


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!