Cal Tri Newport Dunes

NOV
1
2026
Experience the world's longest running triathlon at the Newport Dunes Waterfront Resort. Choose from twelve different race formats including triathlon, duathlon, and swimming across Olympic and Sprint distances.
Sun 1 Nov 2026
Sprint Swimrun 10k Olympic Swimrun Sprint Runbikerun

Always double-check with the organizer's website! This page may contain affiliate links.

Cal Tri Newport Dunes

The 2026 Optimism Cal Tri Newport Dunes is a multisport event held at the Newport Dunes Waterfront Resort & Marina in Newport Beach, California. Established in 1978 as the Human Race Triathlon, it is recognized as the longest-running triathlon in the world operating from a single location. This event serves as the Cal Tri Events National Championship Race, with an expected attendance between 1,500 and 2,000 participants.

The event offers twelve distinct options across Olympic and Sprint distances. The water temperature averages 65 F, making it a wetsuit-legal swim. Parking is available at the resort for a fee.

The available distance options include:

  • Olympic Triathlon (50.5 km)
  • Olympic RunBikeRun (5 km run - 39 km bike - 10 km run)
  • Olympic SwimBike (0.93 mile swim - 24.8 mile bike)
  • Olympic SwimRun (0.93 mile swim - 10 km run)
  • Olympic Swim (1640 yards)
  • 10K Run (6 miles)
  • Sprint Triathlon
  • Sprint RunBikeRun (5 km run - 13 km bike - 5 km run)
  • Sprint SwimBike (400 yard swim - 9 mile bike)
  • Sprint SwimRun (400 yard swim - 5 km run)
  • Sprint Swim (400 yards)
  • 5K Run (3 miles)

Participants traveling from outside the region can utilize the nearby John Wayne (SNA) airport. The average air temperature for the area during this time of year ranges between 60 F and 73 F. Visit the organization's website for the most recent information.

54 km
Olympic Runbikerun
23 km
Sprint Runbikerun
10 km
10k
10 km
Olympic Swimrun
5 km
5 km
Sprint Swimrun
Olympic Triathlon

Events nearby

The Orange County Multi-Sport Festival offers a range of races from triathlons to a 5K, all centered around Lake Mission Viejo. The course features a lake swim, a bike on paved roads, and a run on mixed terrain. Each participant gets a shirt, medal,..
Coveathlon is a summer evening race series at Newport Dunes, featuring swim and run distances. Participants can tackle a 1K swim, a 5K or 10K run, or combine them. The series includes a team and individual points competition.
Experience a multisport event in Newport Beach featuring swimming and running races. Choose from 5K and 10K runs or combined swim and run events near the bay with professional chip timing and athlete awards.
Experience a Pacific Ocean swim and beachfront bike ride at the Long Beach Legacy Triathlon. Choose from SuperSprint, Sprint, or Olympic distances with individual, relay, and paratriathlon options available.