One of the oldest and flattest halves in North America, notorious for heat and wind on the Eastern Shore.
1.9 km swim in the warm, brackish Choptank River, often non-wetsuit.
Dead-flat one-lap bike through the Blackwater National Wildlife Refuge; wind and heat are the only obstacles.
Flat two-lap run on exposed roads around Great Marsh Park — famously hot with no shade.
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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