Free race transfers, deferrals & participant transfers as late as the day before the race.
Countdown to Race Day
Beginner Friendly
Sprint Triathlon
Price:
$199.96
incl. $12.26 Fee
Time:
7:00AM PST
- 12:00PM PST
42 spots left. Registration ends November 1, 2025 at 11:59pm PDT
Open to ages 18+.
Olympic Triathlon
Price:
$199.96
incl. $12.26 Fee
Time:
7:20AM PST
- 12:00PM PST
42 spots left. Registration ends November 1, 2025 at 11:59pm PDT
Open to ages 18+.
Sprint RunBikeRun (5km run, 13km bike, 5km run)
Price:
$199.96
incl. $12.26 Fee
Time:
7:00AM PST
- 12:00PM PST
42 spots left. Registration ends November 1, 2025 at 11:59pm PDT
Open to ages 18+.
Sprint SwimBike
Price:
$199.96
incl. $12.26 Fee
Time:
7:00AM PST
- 12:00PM PST
42 spots left. Registration ends November 1, 2025 at 11:59pm PDT
Open to ages 18+.
Sprint SwimRun
Price:
$199.96
incl. $12.26 Fee
Time:
7:00AM PST
- 12:00PM PST
42 spots left. Registration ends November 1, 2025 at 11:59pm PDT
Open to ages 18+.
Sprint Swim (400 yards)
Price:
$64.97
incl. $4.62 Fee
Time:
7:00AM PST
- 12:00PM PST
42 spots left. Registration ends November 1, 2025 at 11:59pm PDT
Open to ages 18+.
Olympic RunBikeRun (5km run, 39km bike, 10km run)
Price:
$199.96
incl. $12.26 Fee
Time:
7:20AM PST
- 12:00PM PST
42 spots left. Registration ends November 1, 2025 at 11:59pm PDT
Open to ages 18+.
Olympic SwimBike
Price:
$199.96
incl. $12.26 Fee
Time:
7:20AM PST
- 12:00PM PST
42 spots left. Registration ends November 1, 2025 at 11:59pm PDT
Open to ages 18+.
Olympic SwimRun
Price:
$199.96
incl. $12.26 Fee
Time:
7:20AM PST
- 12:00PM PST
42 spots left. Registration ends November 1, 2025 at 11:59pm PDT
Open to ages 18+.
Olympic Swim (1640 yards)
Price:
$64.97
incl. $4.62 Fee
Time:
7:20AM PST
- 12:00PM PST
42 spots left. Registration ends November 1, 2025 at 11:59pm PDT
Open to ages 18+.
Must provide own tent, other tent sizes available upon request
Sponsor - 10x10 Tent
Price:
$526
incl. $26 Fee
Time:
7:00AM PST
- 12:00PM PST
Registration ends November 1, 2025 at 10:59pm PDT
2025 Optimism Cal Tri Newport Dunes - 11.2.25
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. Whether you're interested in outdoor adventures or family-friendly activities, this race has it all. John Wayne Airport (SNA) is a mere 4 miles from both the race venue, the Newport Dunes Waterfront Resort & Marina and our host hotel, The Hyatt Regency Newport Beach. From there, everything that Orange County has to offer is within reach. Visit Disneyland Park and Disney California Adventure Park, featuring thrilling rides, entertainment, and iconic characters. Explore the shops and restaurants of Balboa Island. This serves as the Cal Tri Events National Championship Race with registration in the 1500-2000 range.
Location
Newport Dunes Waterfront Resort & Marina - (Parking $15)
1131 Back Bay Dr
Newport Beach, CA US 92660
Schedule
Course Maps
FAQ
12 EVENT OPTIONS. 6 Olympic distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 1640 Yard Swim & 10K Run) and 6 Sprint distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 400 yard Swim & 5K Run). Triathlon = swim + bike + run. Check out the course maps for more detailed information.
TO DO. Disneyland Park & California Adventure Park. Balboa Island Ferry. Newport Beach.
AIRPORT. John Wayne (SNA)
AIR TEMPERATURE (AVG). 57 F / 71 F
WATER TEMPERATURE (AVG). 65 F. Wetsuit legal.
Upcoming Events
Explore all the upcoming 2025 races from Cal Tri Events and find the perfect triathlon to challenge yourself!
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