Hamilton Island Triathlon
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About the race
Hamilton Island Triathlon is a sanctioned sprint triathlon held on Hamilton Island, Great Barrier Reef, on Saturday 21 November 2026. The event comprises a 750 metre swim in Catseye Bay, a 20 km bike course that includes three loops through the southern part of the island and across the airport runway, and a 5 km run loop that passes the marina and resort areas. The event program for the weekend includes the main Hamilton Island Triathlon and the Junior Hamilton Island Triathlon on Saturday, followed by the Hamilton Island Ocean Swim on Sunday. Entry categories include Open, Age Group and Team divisions for men and women with age groups from 14–19 up to 70 plus.
Individual competitors must be at least 14 years old and team competitors at least 12 years old as at mid November 2026. Junior event distances are offered in three lengths and include a Splash’n Dash option without a bike. Registrations carry entry fees and a one day Triathlon Australia membership fee may apply for non members. Pre event requirements note sufficient training and awareness of local conditions including possible marine stingers.
Race kit collection and compulsory pre race briefings occur before the event and competition rules include non drafting on the bike course and mandatory bike racking checks. Visit the organization's website for the most recent information.
