2025 Optimism Cal Tri Newport Dunes - 11.2.25

2025 Optimism Cal Tri Newport Dunes - 11.2.25

Started in 1978 as the Human Race Triathlon, Cal Tri Newport Dunes is the longest running triathlon in the world operating from the same location. Also started in 1978 was the Ironman World Championship Triathlon Oahu but it moved to Kailua-Kona, Hawaii in 1981. This serves as the Cal Tri Events National Championship Race with registration in the 1500-2000 range.

EVENT OPTIONS

• Distance Types: 6 Olympic distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 1640 Yard Swim & 10K Run) and 6 Sprint distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 400 yard Swim & 5K Run).
• Triathlon Definition: Triathlon = swim + bike + run.
• Distance Variability: Typically, the swim and run distances are standard but the bike distance varies from race to race.
• Course Information: Check out the course maps for more detailed information.

TO DO

• Visit: Disneyland Park & California Adventure Park.
• Take the Ferry: Balboa Island Ferry.
• Explore: Newport Beach.

AIRPORT

John Wayne (SNA)

AIR TEMPERATURE (AVG)

60 F / 73 F

WATER TEMPERATURE (AVG)

65 F. Wetsuit legal. Use the 20% CALTRI2025 discount code at blueseventy. Note: Fusion wetsuits not eligible for discount.

PARKING

Parking is available for 10 dollars.

More Information

For registration and additional details, visit the official race page.