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The OC Triathlon & Duathlon is a Triathlon race in Mission Viejo, California consisting of a Olympic.
The Orange County Triathlon starts at BEAUTIFUL Lake Mission Viejo. The Duathlon starts with a fast 2K run before joining the triathletes on the bike. The 40K bike course is a gradual climb up Santiago Canyon Road before a fast ride downhill to T2. The 10K run takes you on paths and trails leading you back to cheering crowds at Lake Mission Viejo.octriseries.com View Course Map Incorrect Race Info/Update Race Details?