2025 - Optimism Cal Tri Newport Dunes
2025 distances
Triathlon
Olympic Triathlon
Running
5K
10K
Swimming
Olympic Swim (1640 yards)
Race-day weather
Conditions on November 2, 2025 — historical Open-Meteo data.
The sun rises at 6:12 AM and sets at 4:58 PM local time (PST) in Newport Beach on November 2, 2025 — 10h 46m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near Newport Beach
Different organizers, within 40 miles, in the next three months
2026 Optimism Cal Tri Newport Dunes - 11.1.26
TriFind Race Director Summit
Tunnel to Towers 5K Run & Walk - Huntington Beach, CA
Hop Skip and Splash 5K Fun Run/Walk
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 6 Newport Beach events
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