Hamilton Island Triathlon

Hamilton Island Triathlon

The Hamilton Island Triathlon is scheduled for Saturday 15 November 2025 on Hamilton Island, Great Barrier Reef. The event features a sprint-distance triathlon with separate junior events and an associated ocean swim on the following day. The main course uses Catseye Bay for the swim, a bike circuit that includes the island runway, and a run that passes the marina and resort areas. Registration and race kit collection take place on the afternoon of Friday 14 November 2025 at the Beach Pavilion. Entries close online on Friday 7 November 2025. Registrations cost $135 per individual, $160 for a two-person team and $210 for a three-person team; a $10 one-day Triathlon Australia membership applies to non-members.

Race details, categories and rules

Individual competitors must be at least 14 years old on 15 November 2025. Team competitors must be at least 12 years old. The event has Open, Age Group and Team categories, with age groups by decade from 14-19 through 70+. Non-drafting rules apply on the cycle course and officials will monitor the course. Wetsuits are permitted for the swim and stinger suits are allowed; a safety plan and marshals are in place. Bike hire is not available on the island; competitors must arrange their own bikes. Results and presentations are held at the Beach Pavilion and results are posted online. Visit the organization's website for the most recent information.

• Main race: 750 m swim, 20 km bike, 5 km run
• Junior short: 50 m swim, 1 km bike, 500 m run
• Junior medium: 150 m swim, 3 km bike, 1 km run
• Junior long: 250 m swim, 5 km bike, 2 km run

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