Lake Forest
Triathlon Calendar near Lake Forest 2026-2027
Monthly updates for Lake Forest
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Lake Forest for 2026-2027! We've gathered 5 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
Experience a scenic multisport event at Crystal Cove State Beach featuring swim legs in the Pacific Ocean and a closed bike course on the Pacific Coast Highway. Choose from triathlon duathlon aquabike or trail run options.
Sprint triathlon on September 27, 2026 featuring a 500 yards swim, a 12.5 miles bike leg and a 3 miles run with chip timing and a finisher medal.
November 2026
A multisport race day at Newport Dunes offering twelve sprint and Olympic events, held at the same site since 1978 and serving as the Cal Tri Events National Championship.
April 2027
A multi-option triathlon day at Lake Perris State Recreation Area on April 11, 2027 offering twelve Sprint and Olympic events, on-site camping, and paid parking.
A multi-sport festival at Lake Mission Viejo on April 25, 2027 offering Olympic and sprint triathlons, a duathlon, aquabike events, relays, a 5K, mini sprint and kids races. Courses use lake swims, canyon and neighborhood bike routes, and trail runs.
Monthly updates for Lake Forest
Get new running races (and updates) in your inbox every month.