Rockford, Illinois, United States
Straightforward, fast Midwest racing with a river swim and rolling farmland bike.
1.9 km swim in the Rock River, calm with a modest assist.
Rolling one-lap bike through northern Illinois farmland on quiet county roads.
Flat two-lap run along the Rock River bike path into downtown Rockford.
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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