A hilly bike, cool Atlantic swim, and Portuguese hospitality make this a favourite late-season 70.3.
Single-loop Atlantic swim off Cascais bay.
Hilly bike through the Sintra-Cascais Natural Park.
Two-loop coastal run along the Cascais promenade.
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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