Ironman 70.3 Western Australia

DEC

6

2026

A half distance triathlon in Busselton with a calm swim in Geographe Bay and flat bike and run courses. The event is a World Championship qualifier and received an Athletes' Choice Award in 2025.

Sun 6 Dec 2026

Busselton,

Website

Ironman 70.3

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IRONMAN 70.3 Western Australia - Busselton

IRONMAN 70.3 Western Australia is held in Busselton, Western Australia, with the event date shown as December 6, 2026. The course format includes a calm swim in Geographe Bay followed by flat bike and run courses.

Weather and water conditions reported for the event include a high air temperature of 73°F / 23°C, a low of 62°F / 16°C, and an average water temperature of 66°F / 19°C. The race is listed as a World Championship qualifier and is associated with an Athletes' Choice Award for 2025.

The host area offers nearby wineries and surf towns, and the event information notes a long history in Busselton. Registration for the 2026 date is shown as sold out.

Distances Visit the organization's website for the most recent information.