A demanding tropical half on Malaysia's flagship island — heat and humidity are the real opponents.
1.9 km swim in the calm Andaman Sea off Cenang Beach, bath-warm water.
Rolling one-lap island bike past rice paddies and jungle, with the sharp Datai and Gunung Raya foothill climbs.
Two-lap run along the beach road, extremely humid with aid stations every mile.
Actual monthly averages from the last 3 years (Open-Meteo). Real race day may vary.
Water temp uses athlete-reported values first, then official race data, then the marine archive (sea swims, measured at the nearest offshore point). Values tagged est. are modelled from recent air temperature for lakes and rivers, where no observational data exists.
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