In 134 days · Sun, Nov 1, 2026
When
Sunday, November 1st, 2026
Where
Newport Dunes Waterfront Resort & Marina - (Parking 10 Dollars), Newport Beach CA
Distances
5K · 10K
About this race
2026 Optimism Cal Tri Newport Dunes - 11.1.26
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.
12 EVENT OPTIONS
- Olympic Distance Events: Triathlon, RunBikeRun, SwimBike, SwimRun, 1640 Yard Swim & 10K Run
- Sprint Distance Events: Triathlon, RunBikeRun, SwimBike, SwimRun, 400 yard Swim & 5K Run
- Triathlon: swim + bike + run
- Distance Variation: Typically, the swim and run distances are standard but the bike distance varies from race to race.
TO DO
- Disneyland: Disneyland Park & California Adventure Park
- Ferry: Balboa Island Ferry
- Visit: Newport Beach
AIRPORT
- Airport: John Wayne (SNA)
AIR TEMPERATURE (AVG)
- Average Temperature: 60 F / 73 F
WATER TEMPERATURE (AVG)
- Average Water Temperature: 65 F
- Wetsuit Legal: Use the 20% 2026CALTRI discount code at blueseventy
- Note: Fusion wetsuits not eligible for discount.
Course map
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