Penrith, New South Wales, Australia
Olympic-venue racing in western Sydney: flat-water swim and a fast closed-motorway bike.
1.9 km swim in the calm, protected Sydney International Regatta Centre lake.
Rolling bike on the M4 motorway and Penrith roads, fast and fully closed.
Flat two-lap run around the regatta lake, cool autumn conditions.
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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