location_city Newport Beach
location_on California
flag United States
calendar_today 01 Nov, 2026
directions_run Running
language Official Website
Register2026 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. 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.
TO DO. Disneyland Park & California Adventure Park. Balboa Island Ferry. 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.
Nov 01, 2026
Distance — 3 Miles
Type — Road running
07:00
Nov 01, 2026
Distance — Sponsor - 10x10 Tent
Type — Road running
07:00
Nov 01, 2026
Distance — Sprint RunBikeRun (5km run 13km bike 5km run)
Type — Road running
07:00
Nov 01, 2026
Distance — 400 Yards
Type — Road running
07:00
Nov 01, 2026
Distance — Sprint SwimBike
Type — Road running
07:00
Nov 01, 2026
Distance — Sprint SwimRun
Type — Road running
07:00
Nov 01, 2026
Distance — Sprint Triathlon
Type — Road running
07:00
Nov 01, 2026
Distance — 6 Miles
Type — Road running
07:20
Nov 01, 2026
Distance — Olympic RunBikeRun (5km run 39km bike 10km run)
Type — Road running
07:20
Nov 01, 2026
Distance — 0.93 Miles
Type — Road running
07:20
Nov 01, 2026
Distance — Olympic SwimBike
Type — Road running
07:20
Nov 01, 2026
Distance — Olympic SwimRun
Type — Road running
07:20
Nov 01, 2026
Distance — 50.5K
Type — Road running
07:20
These values represent the 3-year monthly averages for November in Newport Beach.
Newport Beach is a city famous for its lavish lifestyle and beautiful surroundings. Television enthusiasts will recognize the resemblance to the show The O.C., and not just by virtue of its location in Orange County, California. The American city has its share of "beautiful people" often with wealth to spare. Yet it's very possible to enjoy life in Newport Beach amongst the millionaires on a relatively low budget.
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location_on Huntington Beach, California, US
calendar_today Oct 25, 2026
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calendar_today Nov 26, 2026
location_on Long Beach, California, US
calendar_today Oct 25, 2026
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WE ARE NOW OFFERING AN AQUABIKE DIVISION! Triathlon Information:Join us for the annual Space Coast Triathlon, held in …
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