Swim. Bike. Run. The 2021 OC Tri Series offers two of the best triathlon and duathlon races in Southern California. Challenging courses, breathtaking Pacific Coast views, and beautiful SoCal weather make these multisport events amazing experiences for athletes. Sign up now for the Orange County Olympic Triathlon at Lake Mission Viejo or the Pacific Coast Sprint Triathlon at Crystal Cove State Beach and return a champion.
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