Word.ws English Dictionary

Plural of triathlon

regular plural

The plural of triathlon is triathlons.

Forms of triathlon

Singulartriathlon /tɹaɪˈæθlɒn/
Pluraltriathlons
Countablecountable

Triathlons in a sentence

  • He later slimmed down, took up triathlons, became an online "gymfluencer" and has written a self-help book about how to reverse Type 2 diabetes.2019 November 21, Michael Hogan, “What kind of parents will the kids from Grange Hill make?”, in Chris Evans, editor, The Daily Telegraph…. From the entry gymfluencer
  • Polar-bear swims, triathlons, and even religious ceremonies such as the Orthodox Christian celebration of Epiphany all take part in freezing bodies of water.2019 January 24, Tyler Harper, “Taking the plunge: Cold-water enthusiasts swear by the benefits of chilly dips”, in Nelson Star, Nelson…. From the entry polar-bear swim

Meaning of triathlon

  1. noun An athletics event in which contestants compete in swimming, cycling and running in turn.
  2. noun A former Olympic athletics event in which contestants compete in long jump, shot put, and 100-yard dash.
  3. noun Generally, a sports event in which contestant compete in a combination of three sports.

Full definition of triathlon

Questions about the plural of triathlon

What is the plural of triathlon?
The plural of triathlon is triathlons.
Is triathlon countable?
Triathlon is a countable noun.

Source and license

Adapted from Wiktionary: triathlon (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of triathlon.” Word.ws, https://word.ws/plural/triathlon. Based on Wiktionary, CC BY-SA 4.0.