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Triathlon Calendar near Rancho Mission Viejo 2026-2027

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Explore the top triathlons near Rancho Mission Viejo for 2026-2027! We've gathered 5 exciting races in the area. Check out our detailed list below to find your next local race.

April 2027
IRONMAN 70.3 Oceanside is a triathlon in Oceanside, California featuring a sheltered harbor swim, a bike through Camp Pendleton, and a beachfront run finishing on the Strand.
A multi-option triathlon day at Lake Perris State Recreation Area featuring sprint and Olympic swim, bike, run, and RunBikeRun events.
A multi-discipline race day at Lake Mission Viejo featuring Olympic and sprint triathlons, duathlon, aquabike, a 5K and youth races on varied lake and canyon courses.
September 2027
A multisport event at Crystal Cove State Park featuring ocean swim, Pacific Coast Highway bike laps, coastal trail run and a 5K on September 12, 2027.
November 2027
A multi-discipline race day at Newport Dunes with 12 sprint and Olympic event options across swim, bike and run formats.
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