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Triathlon

Triathlon is an endurance multisport race where competitors complete swimming, cycling, and running disciplines in succession.

Developed in the 1970s, primarily on the West Coast of the USA, triathlon was first introduced to Australia in the early 1980s. 1

Discover more about triathlon

Clearinghouse evidence base

Evolution:

  • Triathlon Federation of Australia [1986-1991]
  • Triathlon Australia [1991-2023]
  • AusTriathlon [2023-]

Participation

A person swimming freestyle

An estimated 32,000 Australians [aged 15+] participated in triathlon at least once in 2025. 2

A competitor racing in a para cycling event

An estimated 4,000 Australian children [aged 0-14] participated in triathlon at least once in 2025. 2

A triathlete running with a race number marked on their upper arm

An estimated 12,000 Australian women and 20,000 men [aged 15+] participated in triathlon at least once in 2025. 2

Explore further participation statistics for triathlon through the AusPlay online portal., opens in a new tab

Governing body

AusTriathlon, opens in a new tab is the organisation recognised by governments at all levels as the national controlling body for the sport of triathlon in Australia.

History

State triathlon associations were established from 1984 before the Triathlon Federation of Australia was formed in 1986. 1

The Triathlon Federation of Australia was renamed Triathlon Australia in 1991. In 2023, the organisation became known as AusTriathlon.

Documents

The Clearinghouse for Sport has sought permission from relevant organisations for the inclusion of their documents in this archive. Copyright ownership remains vested with the organisation and as such permission from the copyright owner should be sought if you wish to communicate, adapt or reproduce these documents.


REFERENCES
  1. Our Origins, opens in a new tab, AusTriathlon, (accessed 12 January 2026).
  2. AusPlay Data Portal: Participation by activity, opens in a new tab, Australian Sports Commission, (accessed 15 May 2026).

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