2026 Optimism Cal Tri Newport Dunes - 11.1.26
- Date
- November 1, 2026
- Distance
- Sprint Triathlon · Olympic Triathlon · Sprint RunBikeRun (5km run, 13km bike, 5km run) & more
From the Organizer
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. 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% 2026CALTRI discount code at blueseventy. Note: Fusion wetsuits not eligible for discount.
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
71°
Typical Low
58°
Chance of Rain
9%
Based on US Climate Normals data from Newport Beach Harbor, 1 mi from the venue.
Host City
About Newport Beach, CA
Population
84,304
as of 2023
Elevation
0 ft
Nearest Airport
SNA
John Wayne Orange County International Airport · 4 mi
Time Zone
Pacific Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at 2026 Optimism Cal Tri Newport Dunes - 11.1.26, put it on the calendar, and turn “someday” into a start date.
146
Days to train
- Race
- 2026 Optimism Cal Tri Newport Dunes - 11.1.26
- Date
- November 1, 2026
Coming Up
More Triathlon races near Newport Beach, CA
2026 Cal Tri Castaic Lake - 6.20.26
73 miles away
2026 Solana Beach Triathlon & Duathlon and Solana Beach 5K
5K
57 miles away
2026 San Diego Tri Classic & San Diego 5K
5K
74 miles away
Pacific Coast Triathlon
9 miles away
From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
Three sports, one race — swim, bike, run in sequence, with transitions that are a discipline of their own.
Open water, open roads, and competition with yourself. Cross the finish line knowing what it took to get there.
Triathlon
Swim, bike, run — back to back. The sprint distance makes it far more accessible than most people think.
Frequently Asked Questions (FAQs)
- What is the 2026 Optimism Cal Tri Newport Dunes - 11.1.26?
- 2026 Optimism Cal Tri Newport Dunes - 11.1.26 is a triathlon race held in Newport Beach, California on November 1, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more triathlon races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the 2026 Optimism Cal Tri Newport Dunes - 11.1.26?
- Sunday, November 1, 2026 in Newport Beach, California at Newport Dunes Waterfront Resort & Marina - (Parking 10 Dollars), Newport Beach, CA. Check the event page for exact start times and wave schedules.
- How do I register for the 2026 Optimism Cal Tri Newport Dunes - 11.1.26?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
2026 Optimism Cal Tri Newport Dunes - 11.1.26
Nov 1, 2026