Ironman 70.3 Oceanside

APR

3

2027

A half IRONMAN triathlon in Oceanside California with a sheltered harbor swim, a bike course through Camp Pendleton, and a run along the Pacific to a beach finish.

Sat 3 Apr 2027

Oceanside, California

Website

Middle distance 1.9 90 21.1 km

Always double-check with the organizer's website! This page may contain affiliate links.

IRONMAN 70.3 Oceanside

IRONMAN 70.3 Oceanside is a half IRONMAN distance triathlon held in Oceanside, California, United States on April 3, 2027. The event is organised by IRONMAN and presented by Salomon. It is marked as Flex90 eligible and listed as a qualifier for the IRONMAN 70.3 World Championship.

The race is composed of three legs: a swim in a sheltered harbor, a bike course that passes through Camp Pendleton on roads that are rarely accessible to the public, and a run that follows beachfront trails alongside the Pacific Ocean before finishing on the Strand. Course notes label the swim area as bay, the bike as hilly, and the run as rolling.

Climatic and course conditions shown for the event include a typical high air temperature of 69 °F / 21 °C, a low of 45 °F / 7 °C, and an average water temperature of 61 °F / 16 °C. The event page lists registration and offer details in US dollars and shows availability as in stock.

The host city section notes nearby beaches, local dining, and coastal attractions close to the start area. Visit the organization's website for the most recent information.

70 mi

Ironman 70.3 Oceanside