Definition of triathlon in English:

Share this entry


Pronunciation: /trīˈaTHlən/
Pronunciation: /trīˈaTHˌlän/


An athletic contest consisting of three different events, typically swimming, cycling, and long-distance running.
Example sentences
  • It's not including her numerous medals and trophies for triathlons, pentathlons and track and field events.
  • I watch with awe as they compete in a triathlon, pentathlon or even a decathlon
  • Chris Brogan was the only wheelchair athlete to complete the Olympic triathlon distance.



Pronunciation: /trīˈaTH(ə)ˌlēt/
Example sentences
  • One year on from the globally acclaimed 2002 Commonwealth Games, many of the world's leading triathletes plan to mark its first anniversary with another memorable sporting spectacular.
  • There are just 300 places left for budding amateur triathletes, with the race open to anyone over 17, no matter their level of fitness.
  • Up to 150 of the world's best triathletes will be chasing valuable World Cup points, while thousands more will take part in a series of support races.


1970s: from tri- 'three', on the pattern of decathlon.

Words that rhyme with triathlon

biathlon, heptathlon, pentathlon, tetrathlon

For editors and proofreaders

Syllabification: tri·ath·lon

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.