Hamilton Island Triathlon
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Hamilton Island Triathlon
The Hamilton Island Triathlon takes place on Saturday 21 November 2026 on Hamilton Island in the Great Barrier Reef. The event is a sprint triathlon composed of a 750 m swim in Catseye Bay, a 20 km bike over three laps of the southern island including the airport runway, and a 5 km run that incorporates two loops around the marina and resort sides.
Race categories include Open (no qualification required), Age Group (age as at 15 November 2026) with standard decade ranges from 14-19 through 70 plus, and Team categories for Male, Female and Mixed teams. Individual competitors must be at least 14 years old as at 14 November 2026; team competitors must be at least 12 years old as at that date. Prize money and prizes are offered where category entry meets minimum participation requirements.
Online entries close Friday 13 November 2026. Entry fees are listed per competitor and per team, with a One-Day Triathlon Australia membership fee applying to non-members. Race kit collection is compulsory on the Friday before the event and identification must be presented at collection.
A Junior Hamilton Island Triathlon and Splash'n Dash run alongside the main event for children aged 4 to 14. Race rules include non drafting on the cycle course and permitted use of wetsuits; the swim temperature is approximately 23 degrees. Bike hire is not provided on the island and competitors are expected to arrange their own bikes. Visit the organization's website for the most recent information.
