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| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| 5K | 5K | Nov 1, 20267:00 AM | $43.86$53.86 after Sep 30, 2026 | – |
| Sponsor - 10x10 Tent | – | Nov 1, 20267:00 AM | $750 | – |
| Sprint RunBikeRun (5km run, 13km bike, 5km run) | Duathlon | Nov 1, 20267:00 AM | $153.86$178.86 after Sep 30, 2026 | – |
| Sprint Swim (400 yards) | Other | Nov 1, 20267:00 AM | $43.86$53.86 after Sep 30, 2026 | – |
| Sprint SwimBike | AquabikeSwim 400 yd · Bike 9 miOpen water swim | Nov 1, 20267:00 AM | $153.86$178.86 after Sep 30, 2026 | – |
| Sprint SwimRun | SwimRunSwim 400 yd · Run 3.1 miOpen water swim | Nov 1, 20267:00 AM | $153.86$178.86 after Sep 30, 2026 | – |
| Sprint Triathlon | Sprint TriathlonOpen water swim | Nov 1, 20267:00 AM | $153.86$178.86 after Sep 30, 2026 | – |
| 10K | 10K | Nov 1, 20267:20 AM | $43.86$53.86 after Sep 30, 2026 | – |
| Olympic RunBikeRun (5km run, 39km bike, 10km run) | Duathlon | Nov 1, 20267:20 AM | $153.86$178.86 after Sep 30, 2026 | – |
| Olympic Swim (1640 yards) | 1 Mile | Nov 1, 20267:20 AM | $43.86$53.86 after Sep 30, 2026 | – |
| Olympic SwimBike | AquabikeSwim 1,497 m · Bike 24.8 miOpen water swim | Nov 1, 20267:20 AM | $153.86$178.86 after Sep 30, 2026 | – |
| Olympic SwimRun | SwimRunSwim 1,497 m · Run 6.2 miOpen water swim | Nov 1, 20267:20 AM | $153.86$178.86 after Sep 30, 2026 | – |
| Olympic Triathlon | Olympic TriathlonOpen water swim | Nov 1, 20267:20 AM | $153.86$178.86 after Sep 30, 2026 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The 5K fee goes up to $53.86 on Sep 30, 2026.
Online registration closes Nov 1, 2026, unless the race fills first.
At $43.86, entry is about 12 percent below a typical 10K in California, which costs $50 right now.
Sunrise on race morning is at about 6:09 AM, and the 5K starts at 7:00 AM.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Newport Dunes Waterfront Resort & Marina - (Parking 10 Dollars), Newport Beach, CA 92660
The pin marks the address the race lists, which is usually the start. Course maps are the organizers' own.
Around November 1 the day usually runs from 55°F at dawn to 73°F in the afternoon, with measurable rain on about 5% of days. Cold snaps dip to 51°F and hot years reach 82°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
What the organizers of 2026 Optimism Cal Tri Newport Dunes - 11.1.26 cover on their registration page, in brief.
Schedule and packet pickup
SATURDAY SCHEDULE. 7:30 AM - Athletica Swim & Coaching Clinic ( RSVP Required ). 9:00 AM - Captain's Meeting + Saturday Volunteer. 11:00 AM - Packet Pick Up & Bike Drop-Off Opens (Suggested But Not Mandatory) @ Newport Dunes Waterfront…
Course
Sprint Swim (400 yards). Sprint Bike (8.2 miles). Sprint Run (3.1 miles). Olympic Swim (1640 yards). Olympic Bike (24.4 miles). Olympic Run (6.1 miles). Staging Area. Parking Map. Athletes are responsible to study and know the course. The…
Organize this race? Add details or a correction
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. This serves as the Cal Tri Events National Championship Race with registration in the 1500-2000 range.