Ironman 70.3 Oceanside

IRONMAN 70.3 Oceanside is a premier triathlon event held in Oceanside, California, offering athletes a scenic and challenging course. The race features a 1.2-mile swim in the sheltered Oceanside Harbor, a fast and rolling 56-mile bike ride through the active Camp Pendleton military base along California’s coastline, and a top-rated 13.1-mile run on scenic beachfront trails along the Pacific Ocean. Known for its laid-back coastal vibe, the event provides a festive beach finish line on The Strand and is celebrated for its beautiful setting with palm trees, sunsets, and a vibrant downtown.

It is a popular season kickoff race with a unique and memorable race experience. Visit the organization's website for the most recent information.