Newport Dunes Waterfront Resort & Marina - (Parking 10 Dollars), Newport Beach CA
Sunday, November 2nd, 2025
🏊♂️ Event 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 Definition: swim + bike + run.
- Distance Variation: Typically, the swim and run distances are standard but the bike distance varies from race to race.
- Course Maps: Check out the course maps for more detailed information.
🌟 Things to Do
- Disneyland: Disneyland Park & California Adventure Park.
- Balboa Island: Balboa Island Ferry.
- Explore Newport: Newport Beach.
- Parking: $10 at Newport Dunes Waterfront Resort & Marina.
✈️ Travel Information
- Airport: John Wayne (SNA).
- Average Air Temperature: 60 F / 73 F.
- Average Water Temperature: 65 F.
- Wetsuit Legal: Yes. Use the 20% CALTRI discount code at blueseventy.
🔗 Race Link
For more information, visit the race page: 2025 Optimism Cal Tri Newport Dunes.
Starting Line Map
Suggested Races
