Lake Forest
Triathlon Calendar near Lake Forest 2026-2027
Monthly updates for Lake Forest
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Explore the top triathlons near Lake Forest for 2026-2027! We've gathered 3 exciting races in the area. Check out our detailed list below to find your next local race.
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 format triathlon event at Lake Perris offering six Olympic and six Sprint race options plus standalone 5K and 10K runs.
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.