Cal Tri Newport Dunes
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Event overview
The 2026 Optimism Cal Tri Newport Dunes takes place on November 1, 2026 in Newport Beach, California. The event began in 1978 as the Human Race Triathlon and is described as the longest running triathlon in the world operating from the same location. It serves as the Cal Tri Events National Championship race and typically has registration in the 1,500–2,000 range. There are 12 event options: six Olympic-distance events and six Sprint-distance events. Triathlon events combine swim, bike, and run.
- Sprint Triathlon
- Olympic Triathlon
- Sprint RunBikeRun - 5 km run, 13 km bike, 5 km run
- Olympic RunBikeRun - 5 km run, 39 km bike, 10 km run
- Sprint Swim - 400 yards
- Olympic Swim - 1640 yards
- Sprint SwimBike
- Olympic SwimBike
- Sprint SwimRun
- Olympic SwimRun
- 5K run
- 10K run
Location and details
The venue is Newport Dunes Waterfront Resort & Marina, 1131 Back Bay Dr, Newport Beach, CA 92660. On-site parking is listed at $15. The host hotel is the Hyatt Regency Newport Beach; John Wayne Airport (SNA) is about 4 miles from the venue. Average air temperature is listed as 57 F to 71 F and average water temperature about 65 F; wetsuits are legal. Course maps and event-specific information are available for participants. Visit the organization's website for the most recent information.
