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IRONMAN 70.3Sep

IRONMAN 70.3 Santa Cruz

Santa Cruz, California, United States

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The race

Cold Monterey Bay water, redwood-lined coastal hills and a clifftop run above the surf — quintessential Northern California racing.

Course

SwimOcean

1.9 km cold Pacific swim in Monterey Bay off Cowell Beach — wetsuit-legal, typically 14-17 °C with swell.

Bike700 m (2,297 ft) elev.

One-lap 90 km bike north along Highway 1 and into the coastal hills and redwood roads above the bay.

Run180 m (591 ft) elev.

Two-lap 21.1 km run on West Cliff Drive with clifftop ocean views and short punchy rises.

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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