A downtown lake-and-city course in Hamburg, flat and fast, run in front of some of the biggest crowds in triathlon.
2 km swim in the Binnenalster lake in the centre of Hamburg — flat, fresh water.
80 km on closed roads through central Hamburg — flat and fast with tight technical turns around the Alster.
18 km flat run along the Alster waterfront with enormous crowd support.
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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