Hamilton Island Triathlon
Always double-check with the organizer's website! This page may contain affiliate links.
Hamilton Island Triathlon
The Hamilton Island Triathlon is a sprint triathlon held on Hamilton Island in the Great Barrier Reef on Saturday 21 November 2026. The standard course comprises a 750 m swim in Catseye Bay, a 20 km bike over three loops of the island including the airport runway, and a 5 km run that passes the marina and resort sides.
Entries close Friday 13 November 2026. Registration fees are listed for individual and team entries and a one day Triathlon Australia membership fee applies to non members. Individual competitors must be at least 14 years old and team competitors at least 12 years old as of mid November 2026. Categories include Open, Age Group divisions and Team divisions for male, female and mixed teams. Non drafting rules apply on the bike course and officials enforce race rules. Wetsuits are permitted for the swim; water temperature is expected to be approximately 23 degrees Celsius. Bike racking is compulsory and bike hire is no longer offered on the island.
Race kit collection and compulsory registration occur the day before the event at the Beach Pavilion. Race kits include race numbers, an event shirt and timing chips; teams receive a single timing chip to pass between team members. A junior programme runs alongside the main event with several short course options for children.
Junior distances: Visit the organization's website for the most recent information.
- Junior Triathlon short: 50 m swim, 1 km bike, 500 m run
- Junior Triathlon medium: 150 m swim, 3 km bike, 1 km run
- Junior Triathlon long: 250 m swim, 5 km bike, 2 km run
- Splash'n Dash short: 50 m swim, 500 m run
- Splash'n Dash medium: 150 m swim, 1 km run
- Splash'n Dash long: 250 m swim, 2 km run
