2026 Cal Tri Castaic Lake - 6.20.26

2026 Cal Tri Castaic Lake - 6.20.26

Event Options

• Variety: 18 event options including 6 Olympic distance events, 6 Sprint distance events, and 6 Youth Sprint distance events.
• Olympic Events: Triathlon, RunBikeRun, SwimBike, SwimRun, 1640 Yard Swim & 10K Run.
• Sprint Events: Triathlon, RunBikeRun, SwimBike, SwimRun, 400 yard Swim & 5K Run.
• Details: Triathlon consists of swim + bike + run: distances may vary for bike: check course maps for information.

Castaic Lake

• Location: Scenic Castaic Lake, 20 miles north of Los Angeles.
• Facilities: 11,200-acre multi-use facility with activities including boating, fishing, hiking, and more.
• Weather: Enjoy water temperatures in the high 60s during August.
• Camping: "Tri-cation" camping available on Friday night through Castaic Lake.

The Course

• Swim Course: Modified V shape in Paradise Cove with 8 lifeguards on paddleboards.
• Bike Course: Limited interaction with cars: includes U-turns that require athletes to slow down.
• Run Course: Primarily on rolling trails overlooking Castaic Lake.
• Safety: Designed to ensure a safer experience for all participants.

Who We Support

• Beneficiary: All proceeds benefit the Canyon High School Cross Country and Track Teams.
• History: Supporting programs for 33 years.
• Community: Fostering a welcoming atmosphere for new triathletes.
• Experience: Enjoyable experience for triathletes of all levels.

Air Temperature (Avg)

• Conditions: Cooler mornings with fog burning off to mid 80s.
• Event Temperature: Expected around 60 degrees.

Water Temperature (Avg)

• Typical Range: Water temperatures in June typically range in the mid to high 60s.
• Updates: Email updates sent closer to the race with more information.
• Discount Code: Use CALTRI2025 for a 20% discount at blueseventy.
• Exclusions: Note that Fusion wetsuits are not eligible for discount.

For more details, please visit the official race page: Cal Tri Castaic Lake 2026.