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Santa Cruz, California

Ironman 70.3 Santa Cruz weather

Santa Cruz blends cool coastal air, ocean conditions and potentially windy bike sections.

70.3SeptemberOcean swim

Typical race window

September conditions for Santa Cruz, California

Climate normals are temporarily unavailable. Use the swim, bike and run notes below as the evergreen course-weather read, then build a race-day forecast once your date enters the live forecast window.

Swim

Ocean temperature, swell and local beach guidance are key swim factors.

Bike

Coastal wind and changing fog can affect both pacing and visibility.

Run

The run is usually temperate, but sun and wind exposure still matter.

Live race-day forecast

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This race page stays evergreen. For date, start time and expected segment durations, open the race-day planner with Santa Cruz, California prefilled.

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