Optimism Cal Tri Newport Dunes - 11.1.26
Updated
Sunday, November 1, 2026, first start 7:00 AM, in Newport Beach (Newport Dunes Waterfront Resort & Marina - (Parking 10 Dollars)). Distances: 5K, 10K. Entry from $53.86; the 5K goes from $53.86 to $60.35 after October 26.
- Date
- Sunday, November 1, 2026
- Start time
- 7:00 AM (earliest wave)
- Location
- Newport Dunes Waterfront Resort & Marina - (Parking 10 Dollars), Newport Beach, CA 92660
- Area
- Orange County, Los Angeles
- Distances
- 5K10K
- Course
- Road or path
- Price
- $53.86 plus the platform's processing fee
- Next price increase
- Monday, October 26, 2026: 5K $53.86 → $60.35
- Registration
- Open. Opened November 5, online signup closes Sunday, November 1, 2026
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details. Sign up by October 26 to pay $53.86 instead of $60.35.
Course and race notes
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.
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.