Ironman 70.3 Santa Cruz
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About the race
IRONMAN 70.3 Santa Cruz takes place in Santa Cruz, California on September 13, 2026. The event features a coastal course with an ocean swim, a road bike segment along Highway 1, and a run that follows parks and coastal bluffs to a beach finish. The swim is a 1.2-mile ocean swim around the Santa Cruz Wharf. The bike is a 56-mile rolling ride on scenic Highway 1. The run is a flat half marathon that finishes on the sandy shore of Santa Cruz Beach.
Course and conditions listed for the event include an average water temperature of 61°F (16°C) and typical air temperatures ranging from about 56°F (13°C) to 68°F (20°C). The event is presented under the Sandstone IRONMAN 70.3 Santa Cruz identity and is noted in post-event athlete surveys: #1 swim globally and in North America, #3 bike globally and #2 bike in North America. General registration status on the event page is shown as sold out. Visit the organization's website for the most recent information.
