2025 Optimism Cal Tri Newport Dunes - 11.2.25

🏊‍♂️ Race Overview

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

12 EVENT OPTIONS. 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 = swim + bike + run. Typically, the swim and run distances are standard but the bike distance varies from race to race. Check out the course maps for more detailed information.

🎢 Things To Do

• Disneyland Park: Visit Disneyland Park & California Adventure Park.
• Balboa Island: Explore Balboa Island Ferry.
• Beaches: Enjoy Newport Beach.

✈️ Airport Information

AIRPORT: John Wayne (SNA)

🌡️ Temperature Details

• Average Air Temperature: 60 F / 73 F
• Average Water Temperature: 65 F. Wetsuit legal. Use the 20% CALTRI2025 discount code at blueseventy. Note: Fusion wetsuits not eligible for discount.

For more information, visit the race website.