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Cal Tri Castaic Lake

📅 June 19, 2027 (estimated date)📍 Castaic Lagoon · United States

⚠️ 2027 edition: provisional information

The date is estimated from the 2026 edition (June 20, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.

Available distances

6.4 mi3.1 mi

About

Cal Tri Castaic Lake offers a range of endurance events at Castaic Lagoon on June 19, 2027, including a standalone Olympic Run (6.4 miles / 10.3 km) and a 5K (3.1 miles), alongside triathlon, triathlon relay, RunBikeRun, SwimRun, swim and SwimBike options at international and sprint distances. All events start at 8:00 a.m.

The venue is Castaic Lake, a multi-use recreation area north of Los Angeles. The swim takes place at Paradise Cove, the bike course uses back roads and the run follows trails overlooking the lake. Proceeds benefit the Canyon High School track and cross-country teams. The event is known for its friendly vibe, which encourages both first-timers and experienced triathletes to take part.

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Races nearby

Other upcoming races around Castaic Lagoon.