Ironman 70.3 Oceanside

MAR

28

2026

Start your season at IRONMAN 70.3 Oceanside with a protected harbor swim, a scenic bike through Camp Pendleton, and a beachfront finish on The Strand. Coastal views and lively race day energy await.

Sat 28 Mar 2026

Oceanside, California

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Ironman 70.3

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IRONMAN 70.3 Oceanside : Overview

IRONMAN 70.3 Oceanside is scheduled for March 28, 2026 in Oceanside, California, United States. The event is presented as the Athletic Brewing IRONMAN 70.3 Oceanside and is organized by IRONMAN. The race is listed as a World Championship qualifier and appears on the IRONMAN Pro Series calendar. The event location coordinates are latitude 33.19587 and longitude -117.37948.

Course and conditions

The course includes a sheltered harbor swim, a bike course that passes through Camp Pendleton’s active military base, and a run along the Pacific Ocean that finishes on The Strand beachfront. The swim is described as taking place in the Oceanside harbor, protected from ocean waves. Course character is listed as: Bike - hilly; Run - rolling. Reported typical temperatures for the event are a high air temperature of 66°F / 19°C, a low air temperature of 47°F / 8°C, and an average water temperature of 57°F / 14°C. The race is presented as a season kickoff on the North American calendar and highlights a beachfront finish atmosphere. Visit the organization's website for the most recent information.

70 mi

Ironman 70.3