Cal Tri Castaic Lake

JUN
20
2026
Read all about the Cal Tri Castaic Lake on 20 Jun 2026 in Castaic.
Sat 20 Jun 2026
Olympic Swim (1640 Yards) Youth 5k 10k Youth Sprint Triathlon

Always double-check with the organizer's website! This page may contain affiliate links.

About the race

Cal Tri Castaic Lake is a multisport festival held at Castaic Lagoon in northern Los Angeles County, California. The event offers 18 options: 6 Olympic-distance events, 6 sprint-distance events, and 6 youth events. Distances include Sprint Triathlon, Sprint RunBikeRun (5K run, 15K bike, 5K run), Sprint SwimBike, Sprint SwimRun, Sprint Swim (400 yards), and a 5K, plus Olympic formats such as Olympic RunBikeRun (5K run, 40K bike, 10K run), Olympic SwimBike, Olympic SwimRun, Olympic Swim (1640 yards), and 10K.

The course features significant bike elevation (around 3,211 feet in some events), and the lakefront setting supports a beginner-friendly, festival atmosphere with parking and lake access. Visit the organization's website for the most recent information.

10 km
10k
5 km
5 km
Youth 5k
Olympic Swim (1640 Yards)
Youth Sprint Triathlon
Youth Sprint Swimrun
Youth Sprint Swimbike
Youth Sprint Swim (400 Yards)
Youth Sprint Runbikerun (5km Run, 15km Bike, 5km Run)
Sprint Triathlon
Sprint Swimrun
Sprint Swimbike
Sprint Swim (400 Yards)
Sprint Runbikerun (5km Run, 15km Bike, 5km Run)
Olympic Triathlon
Olympic Swimrun
Olympic Swimbike
Olympic Runbikerun (5km Run, 40km Bike, 10km Run)

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