Cal Tri Newport Dunes

NOV
1
2026
Join the historic Cal Tri National Championship at Newport Dunes, the longest running triathlon at one venue since 1978. Choose sprint to Olympic distances and enjoy a scenic waterfront course with welcoming race day energy.
Sun 1 Nov 2026
Sprint Swim (400 Yards) Olympic Swim (1640 Yards) Sprint Runbikerun (5km Ru... Olympic Runbikerun (5km R...

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2026 Optimism Cal Tri Newport Dunes

The event takes place on November 1, 2026, at Newport Dunes Waterfront Resort & Marina, 1131 Back Bay Dr, Newport Beach, CA. It began in 1978 as the Human Race Triathlon and is described as the longest running triathlon at the same location. The race serves as the Cal Tri Events National Championship, with registration typically in the 1500-2000 range. John Wayne Airport (SNA) is about 4 miles from the venue and the host hotel, the Hyatt Regency Newport Beach. On-site parking is listed at $15.

Event options and conditions

There are 12 event options: six Olympic-distance events and six Sprint-distance events. Most competitive events are open to ages 18 and older. Wetsuits are legal; average air temperature is shown as 57 F to 71 F and average water temperature as 65 F. The organizer offers free race transfers, deferrals, and participant transfers as late as the day before the race. Visit the organization's website for the most recent information.

  • Sprint Triathlon
  • Olympic Triathlon
  • Sprint RunBikeRun - 5km run, 13km bike, 5km run
  • Olympic RunBikeRun - 5km run, 39km bike, 10km run
  • Sprint SwimBike
  • Olympic SwimBike
  • Sprint SwimRun
  • Olympic SwimRun
  • Sprint Swim - 400 yards
  • Olympic Swim - 1640 yards
  • 5K run
  • 10K run
10 km
10k
5 km
Sprint Runbikerun (5km Run, 13km Bike, 5km Run)
5 km
Olympic Runbikerun (5km Run, 39km Bike, 10km Run)
5 km
Olympic Swim (1640 Yards)
Sprint Swim (400 Yards)
Olympic Swimbike
Olympic Swimrun
Olympic Triathlon
Sprint Swimbike
Sprint Swimrun
Sprint Triathlon

Events nearby

Join the UWS Race on the Base on Feb 28, 2026 at the Joint Forces Training Base in Los Alamitos for a standout reverse sprint triathlon with run, bike, swim order and a separate 5K run walk. Relay teams of three welcome.
Take on the Bayshore 70.4 or a beginner friendly sprint in Long Beach with a calm Bay swim and scenic oceanfront course. Individual and relay entries, chip timing, finisher medal and post race food make this an ideal early season race.
Dive into the Orange County Multi Sport Festival in Mission Viejo for lake swims, scenic bike and run courses, and events from kids triathlon to Olympic distance. Finish strong with a souvenir shirt, medal, and post race refreshments.
Challenge yourself at the Long Beach Legacy Triathlon on July 19, 2026, with SuperSprint, Sprint and Olympic distances plus relay and corporate entries along scenic waterfront courses. Celebrate at the post race expo, grab a finisher medal and suppor..