Triathlon Calendar near Newport Beach 2025-2026

Race at Joint Forces Training Base in Los Alamitos on Feb 28, 2026, with a community 5K and an exciting reverse sprint triathlon. The triathlon starts with a 5K run, then a 13 mile bike and a 200 meter swim with solo and relay options.

Take on the Bayshore 70.4 or a beginner friendly sprint in Long Beach with a calm Bay swim and scenic oceanfront course. Individual and relay entries, chip timing, finisher medal and post race food make this an ideal early season race.

Enjoy the San Clemente Ocean Festival on the beach with athletic contests like a 5K run, 1 mile swim and Dory boat races, plus family favorites including a free concert, sand sculpting and youth activities. Perfect for athletes and families seeking s..

Join the 2026 Optimism Cal Tri in Newport Beach on November 1, the longest running triathlon at one location and a Cal Tri National Championship. Sprint and Olympic swim bike run formats welcome all abilities with scenic waterfront views.

Take on the Fall Classic Olympic Triathlon in Long Beach with a 1.5 km swim, 40 km bike and 10 km run along scenic Bayshore. Enjoy chip timing, a finisher medal and post race food in a lively community atmosphere.