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IRONMAN 70.3Sep

IRONMAN 70.3 Cozumel

Cozumel, Quintana Roo, Mexico

/5
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The race

Postcard Caribbean racing: the clearest swim on the circuit, a totally flat island bike and a hot, humid seafront run.

Course

SwimOcean

1.9 km crystal-clear Caribbean swim off Chankanaab with a strong current assist and 29 °C water.

Bike250 m (820 ft) elev.

Flat one-lap 90 km bike around the island — no climbing at all, but the exposed windward side is relentlessly windy.

Run60 m (197 ft) elev.

Flat two-lap 21.1 km run along the San Miguel waterfront, extremely hot and humid.

Historical weather · Sep

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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