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IRONMAN 70.3Apr

IRONMAN 70.3 Texas

Galveston Island, Texas, United States

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The race

A famously flat and fast Gulf-coast season opener, wind permitting.

Course

SwimBay

1.9 km swim in the warm, sheltered waters of Offatts Bayou on Galveston Island.

Bike100 m (328 ft) elev.

Dead-flat out-and-back on Seawall Boulevard and the island highway; the Gulf wind decides the day.

Run30 m (98 ft) elev.

Flat three-lap run along the Galveston seawall.

Historical weather · Apr

Actual monthly averages from the last 3 years (Open-Meteo). Real race day may vary.

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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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