Triathlons in Australia
Every upcoming triathlon event we know about in Australia, soonest first. Gathered from organisers' own sites and refreshed regularly. Open one for the date, distance and entry link — and build a free sample training plan for it in a couple of minutes.
Other formats in Australia
Sportives 50Running events 47Mountain bike events 39Bikepacking trips 38Gravel events 26Trail running events 23Hybrid fitness events 10Self-supported ultras 7Hyrox events 5Duathlons 4Charity rides 3
Triathlons by country
United States 125United Kingdom 93New Zealand 36Canada 31Spain 28France 27Germany 12Italy 12United Arab Emirates 9China 6Austria 6Netherlands 5
IRONMAN 70.3 Sunshine Coast
Sunshine Coast, Australia, Australia
Triathlon90 km
If racing on a world-class course in a spectacular coastal location is what you want, then IRONMAN 70.3 Sunshine Coast has the…
Dates and entry → 18 Oct 2026IRONMAN Australia
Australia, Australia, Australia
Triathlon180 km
You get the true Small Town, Big Heart vibe, as you race through this stunning stretch of Australia’s east coast. With its…
Dates and entry → 18 Oct 2026IRONMAN 70.3 Port Macquarie
Port Macquarie, Australia, Australia
Triathlon90 km
In Port Macquarie, you get the true Coastal Community, Big Heart vibe, as you race along beautiful beaches and through this…
Dates and entry → 1 Nov 2026RTC Spring Triathlon
Shoalwater, Australia
Triathlon
RTC Spring Triathlon held at Shoalwater offering Sprint and Standard distance options.
Dates and entry → 1 Nov 2026Triathlon Huskisson
Huskisson, New South Wales, Australia
Triathlon
Triathlon festival in Huskisson offering Standard, Sprint, Super Sprint, TryATri, Aquabike, and TriKidz distances.
Dates and entry → 5 Nov 2026School Sport WA Secondary Triathlon Championship
Champion Lakes Regatta Centre, Australia
Triathlon
School Sport WA Secondary Triathlon Championship held at Champion Lakes Regatta Centre for secondary school students.
Dates and entry → 6 Nov 2026School Sport WA Primary Triathlon Championship
Champion Lakes Regatta Centre, Australia
Triathlon
School Sport WA Primary Triathlon Championship held at Champion Lakes Regatta Centre for primary school students.
Dates and entry → 7 Nov 2026EXSS Off-Road Triathlon
Lake Leschenaultia, Australia
Triathlon
Part of the Multisport State Series, the EXSS Off-Road Triathlon at Lake Leschenaultia features Cross-Triathlon and Duathlon…
Dates and entry → 8 Nov 2026Ramsay Healthcare Triathlon Pink
Mt Claremont, Australia
Triathlon
Ramsay Healthcare Triathlon Pink is a female-focused event held at Mt Claremont offering Kids, Enticer, Sprint, Fun Run, and…
Dates and entry → 8 Nov 2026IRONMAN 70.3 Melbourne
Melbourne, Australia, Australia
Triathlon90 km
With it’s iconic beachside location and big city vibe, IRONMAN 70.3 Melbourne is unlike any other race on the Oceania circuit.…
Dates and entry → 14 Nov 2026Armadale Twilight Triathlon
Champion Lakes Regatta Centre, Australia
Triathlon
Armadale Twilight Triathlon at Champion Lakes Regatta Centre offering Kids, Enticer, and Sprint distances.
Dates and entry → 15 Nov 2026South32 Bunbury Women's Triathlon
Bunbury, Australia
Triathlon
South32 Bunbury Women's Triathlon is a female-focused event held in Bunbury with Enticer and Sprint distance options.
Dates and entry → 21 Nov 2026Redline Games
Penrith / Nepean, New South Wales, Australia
Triathlon
Multi-discipline event featuring triathlon (Sprint, Super Sprint, TryATri, Classic) and running options.
Dates and entry → 22 Nov 2026Challenge Canberra
Canberra, Australia, Australia
Triathlon
Triathlon event in Canberra, Australia, featuring middle distance, aqua bike, junior challenge, sprint distance, and standard…
Dates and entry → 22 Nov 2026Left Bank Triathlon
East Fremantle, Australia
Triathlon
Part of the Multisport State Series, the Left Bank Triathlon in East Fremantle features Enticer, Sprint, and Aquabike distances.
Dates and entry → 22 Nov 2026Nepean Triathlon
Penrith / Nepean, New South Wales, Australia
Triathlon
Nepean Triathlon offering Sprint, Super Sprint, TryATri, Classic, and TriKidz distances.
Dates and entry → 28 Nov 2026Triathlon Port Stephens
Port Stephens, New South Wales, Australia
Triathlon
Triathlon festival at Port Stephens offering Standard, Sprint, and Super Sprint distances.
Dates and entry → 29 Nov 2026EXSS Sprint Triathlon
Champion Lakes Regatta Centre, Australia
Triathlon
Part of the Triathlon State Series, the EXSS Sprint Triathlon at Champion Lakes Regatta Centre offers Kids, Bolt, Sprint…
Dates and entry → 6 Dec 2026IRONMAN Western Australia Asia-Pacific Championship
Busselton, WA, Australia, Australia
Triathlon
IRONMAN Western Australia Asia-Pacific Championship full-distance race held in Busselton, Western Australia.
Dates and entry → 6 Dec 2026IRONMAN 70.3 Western Australia
Western Australia, Australia, Australia
Triathlon90 km
The bike and run courses are among the flattest on the global IRONMAN circuit and with stunning seaside views, and unrivaled…
Dates and entry → 6 Dec 2026IRONMAN Western Australia
Western Australia, Australia, Australia
Triathlon180 km
Taking place in the idyllic seaside town of Busselton – the gateway to the famous Western Australia wine region of Margaret…
Dates and entry → 12 Dec 2026IGA Callala Triathlon
Callala Bay, New South Wales, Australia
Triathlon
Triathlon festival at Callala Bay offering Standard, Sprint, Super Sprint, Aquabike, and TriKidz distances.
Dates and entry → 6 Feb 2027Triathlon Tomakin
Tomakin, New South Wales, Australia
Triathlon
Triathlon at Tomakin offering Standard, Sprint, Super Sprint, TryATri, and Aquabike distances.
Dates and entry → 20 Feb 2027NSW Triathlon Club Championships
New South Wales, Australia
Triathlon
NSW Triathlon Club Championships offering Standard, Sprint, Super Sprint, TriKidz, Sprint Aquabike, and Standard Aquabike…
Dates and entry → 20 Mar 2027Gold Coast T100
Gold Coast, Australia
Triathlon2 days
T100 triathlon event at the Gold Coast, Australia.
Dates and entry → 21 Mar 2027IRONMAN 70.3 Geelong
Geelong, Australia, Australia
Triathlon90 km
In Geelong, you get the true Laid-Back Aussie, Big Heart vibe, as you soak in the charm of this coastal city by the bay. With…
Dates and entry → 3 Apr 2027IRONMAN 70.3 Geelong
Geelong, Australia, Australia
Triathlon
Geelong offers a laid-back Aussie coastal city vibe by the bay, with waterfront views and a welcoming community spirit.
Dates and entry → 2 May 2027IRONMAN 70.3 Western Sydney
Western Sydney, Australia, Australia
Triathlon90 km
Sydney is the perfect destination to stay and play and the Sydney International Regatta Centre is the perfect playing field for…
Dates and entry → 8 May 2027IRONMAN 70.3 Western Sydney
Sydney, Australia, Australia
Triathlon
Sydney is the perfect destination to stay and play, and the Sydney International Regatta Centre is the perfect playing field for…
Dates and entry → 13 Jun 2027IRONMAN 70.3 Cairns
Cairns, Australia, Australia
Triathlon90 km
In Cairns, you get the true Tropical Adventure, Big Heart vibe, as you race through lush rainforests and along sparkling coastal…
Dates and entry → 13 Jun 2027IRONMAN Cairns
Cairns, Australia, Australia
Triathlon180 km
In Cairns, you step into a world of vibrant rainforests and shimmering ocean views. Racing here means embracing the wild beauty…
Dates and entry → 15 March 2026Oceania Junior Mixed Relay Championships
Devonport, Australia, Australia
Triathlon
Oceania Junior Mixed Relay Championships in Devonport, Australia.
Dates and entry → 14 March 2026Oceania Standard Distance Championships & Oceania Junior Sprint Championships
Devonport, Australia, Australia
Triathlon
Oceania Standard Distance Championships and Oceania Junior Sprint Championships in Devonport, Australia.
Dates and entry → 22/03/2026IRONMAN 70.3 Geelong
Geelong, VIC, Australia, Australia
Triathlon113 km
IRONMAN 70.3 half-distance race held in Geelong, Victoria, Australia.
Dates and entry → 14–15 March 2026Oceania Standard Distance Championships & Oceania Junior Sprint Championships / Junior Mixed Relay Championships
Devonport, Australia, Australia
Triathlon2 days
Oceania Standard Distance Championships and Junior Sprint Championships on 14 March, followed by Junior Mixed Relay…
Dates and entry → 17-19 Jul, 2026 (Fri - Sun)Cable Beach Multisport Weekend
Broome, Australia, Australia
Triathlon3 days
A multisport weekend event in Broome, Australia offering triathlon, swimming, and running disciplines over three days.
Dates and entry → 14/06/2026Cairns Airport IRONMAN Cairns
Cairns, QLD, Australia, Australia
Triathlon
Full IRONMAN race held in Cairns, Queensland, Australia.
Dates and entry → 14/06/2026Cairns Airport IRONMAN 70.3 Cairns
Cairns, QLD, Australia, Australia
Triathlon
IRONMAN 70.3 race held in Cairns, Queensland, Australia.
Dates and entry → 18–19 April 2026Oceania SuperSprint Championships
Runaway Bay, Australia, Australia
Triathlon2 days
Oceania SuperSprint Championships in Runaway Bay, Australia.
Dates and entry → 3/05/2026IRONMAN 70.3 Western Sydney
Penrith, NSW, Australia, Australia
Triathlon113 km
IRONMAN 70.3 half-distance race held in Penrith, New South Wales, Australia.
Dates and entry →Found one? Get ready for it.
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