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2027 Cal Tri LA - 10.3.27

Date
Sunday, October 3, 2027
Start time
8:00 AM start (Los Angeles)
Entry fee
From $133.86 · goes up to $158.86 on Apr 18, 2027
Included with entry
Includes a shirt
Fundraising
Takes optional donations when you register
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Registration is open.

We earn a small commission when you register through this link, at no cost to you. Details

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Events and entry fees

EventDistanceWhenEntry feeCap
10K10KOct 3, 20278:00 AM$38.86$48.86 after Apr 18, 2027–
5K5KOct 3, 20278:00 AM$38.86$48.86 after Apr 19, 2027–
Olympic RunBikeRun (5km run, 38 km bike, 10km run)DuathlonRun 3.1 mi · Bike 23.6 mi · Run 6.2 miOct 3, 20278:00 AM$133.86$158.86 after Apr 18, 2027–
Olympic Swim (1640 yards)1 MileOct 3, 20278:00 AM$38.86$48.86 after Apr 18, 2027–
Olympic SwimBikeAquabikeSwim 1,500 m · Bike 24.3 miOpen water swimOct 3, 20278:00 AM$133.86$158.86 after Apr 18, 2027–
Olympic SwimRunSwimRunSwim 1,497 m · Bike 24.8 miOpen water swimOct 3, 20278:00 AM$133.86$158.86 after Apr 18, 2027–
Olympic TriathlonOlympic TriathlonSwim 1,500 m · Bike 24.3 mi · Run 6 miOpen water swimOct 3, 20278:00 AM$133.86$158.86 after Apr 18, 2027–
Sprint RunBikeRun (5km run, 19km bike, 5km run)DuathlonRun 3.1 mi · Bike 11.8 mi · Run 3.1 miOct 3, 20278:00 AM$133.86$158.86 after Apr 19, 2027–
Sprint Swim (400 yards)OtherOct 3, 20278:00 AM$38.86$48.86 after Apr 19, 2027–
Sprint SwimBikeAquabikeSwim 400 yd · Bike 9 miOpen water swimOct 3, 20278:00 AM$133.86$158.86 after Apr 19, 2027–
Sprint SwimRunSwimRunSwim 400 yd · Run 3.1 miOpen water swimOct 3, 20278:00 AM$133.86$158.86 after Apr 19, 2027–
Sprint TriathlonSprint TriathlonSwim 400 yd · Bike 12.5 mi · Run 3.1 miOpen water swimOct 3, 20278:00 AM$133.86$158.86 after Apr 19, 2027–

Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.

Register on RunSignup

The Duathlon fee goes up to $158.86 on Apr 18, 2027.

The swim at 2027 Cal Tri LA - 10.3.27

This is an open water swim at Dockweiler State Beach. The organizer's wetsuit note: wetsuit legal.

From the organizer's own race information. Venues and rules can change from year to year; the race's current athlete guide decides.

Water temperature and wetsuits at 2027 Cal Tri LA - 10.3.27

Around October 3, the water at NOAA's Santa Monica station typically runs about 68°F (65 to 70°F across 2016 to 2025). Wetsuits were legal every year at this date.

Measured by the NOAA tide station nearest the race's listed location, about 8.6 km away; open beaches and sheltered bays nearby can differ by a few degrees. Wetsuit cutoffs are USA Triathlon age-group rules. The race's own water temperature reading on race morning decides.

Race day planning

Entry fee schedule

  • 10K and Olympic Swim (1640 yards): $38.86 until Apr 18, then $48.86 until Sep 14, then $58.86 until Oct 2.
  • 5K and Sprint Swim (400 yards): $38.86 until Apr 19, then $48.86 until Sep 15, then $58.86 until Oct 3.
  • Olympic RunBikeRun (5km run, 38 km bike, 10km run) and Olympic SwimBike and Olympic SwimRun and Olympic Triathlon: $133.86 until Apr 18, then $158.86 until Sep 14, then $183.86 until Oct 2.
  • Sprint RunBikeRun (5km run, 19km bike, 5km run) and Sprint SwimBike and Sprint SwimRun and Sprint Triathlon: $133.86 until Apr 19, then $158.86 until Sep 15, then $183.86 until Oct 3.

Online registration closes Oct 3, 2027, unless the race fills first.

How the price compares

At $38.86, entry is about 14 percent below a typical 10K in California, which costs $45 right now.

Light and altitude

Sunrise on race morning is at about 6:48 AM, and the Olympic RunBikeRun (5km run, 38 km bike, 10km run) starts at 8:00 AM. The start sits about 10 feet above sea level.

Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.

Start location and course

Dockweiler State Beach - Parking Lot 2, Playa Del Rey, CA 90293

The pin marks the address the race lists, which is usually the start. Course maps are the organizers' own.

Course profile: how hilly is 2027 Cal Tri LA - 10.3.27?

The 12.5-mile bike course climbs 407 feet, about 32 feet a mile: rolling.

CourseDistanceClimbingTerrain
Cal Tri LA - Sprint - SwimSwim, point to point370 m
Cal Tri LA - Sprint - BikeBike, out and back12.5 mi407 ftrolling
Cal Tri LA - Sprint - RunRun, out and back3 mi50 ftflat

From the course maps the organizers publish on Ride with GPS and MapMyRun; climbing is the total gain the map reports. Courses can change between editions, so check the date on the map.

Where 2027 Cal Tri LA - 10.3.27 ranks

National lists computed from results, entry fees, course maps and water temperatures; they refresh through the day.

Typical race-day weather

Around October 3 the day usually runs from 61°F at dawn to 75°F in the afternoon, with measurable rain on about 1% of days. Cold snaps dip to 57°F and hot years reach 84°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.

From the race's page

What the organizers of 2027 Cal Tri LA - 10.3.27 cover on their registration page, in brief.

Schedule and packet pickup

Schedule

Sunday, October 11, 2026. TIME (PDT) ACTIVITY LOCATION. 1:00 PM Mandatory Youth & Parent Meeting Online: Zoom Link. Saturday, October 17, 2026. TIME (PDT) ACTIVITY LOCATION. 7:30 AM Athletic Swim & Transition Clinic. Registration Required…

Course

Course

Sprint & Youth Sprint Swim (400 yards). Sprint & Youth Sprint Bike (12.5 miles). Sprint & Youth Sprint Run (3.1 miles). Olympic Swim (1640 yards). Olympic Bike (24.3 miles). Olympic Run (6 miles). Staging Area. Parking Map. Athletes are…

Full details on the race's RunSignup page

Race details

Where
Dockweiler State Beach - Parking Lot 2, Playa Del Rey, CA 90293Map
Course
Road
Start elevation
About 10 feet
Results posted by the race
Results
Included with entry
T-Shirt
Donations
Accepted when you register
Distances
Sprint Triathlon, Olympic Triathlon, Duathlon, Aquabike, SwimRun, 1 Mile, 5K, 10K, Other
Editions
2027 (Oct 3, 2027), 2026 (Oct 18, 2026), 2025 (Oct 19, 2025), 2024 (Oct 20, 2024), 2023 (Oct 22, 2023), 2022 (Oct 23, 2022)

Organize this race? Add details or a correction

Quick answers

When is 2027 Cal Tri LA - 10.3.27?
Sunday, October 3, 2027, starting at 8:00 AM.
How much does it cost?
Entry starts at $133.86 before processing fees, and rises to $158.86 on Apr 18, 2027.
When does registration close?
Online registration closes Oct 3, 2027, unless the race fills first.
Is the entry fee high for California?
At $38.86, entry is about 14 percent below a typical 10K in California, which costs $45 right now.
Do athletes get a shirt or medal?
Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
Can I donate to a cause when I register?
Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
What distances are offered?
Sprint Triathlon, Olympic Triathlon, Duathlon, Aquabike, SwimRun, 1 Mile, 5K, 10K, Other.
Where does it start?
Dockweiler State Beach - Parking Lot 2, Playa Del Rey, CA 90293.
Is there a course map?
Yes, the organizers publish the route on Ride with GPS; the link is under Start location and course.

From the organizers

2027 Cal Tri LA - 10.3.27 Playa del Rey, a coastal neighborhood, is known for its more laid-back atmosphere, making it a great destination for those seeking a quieter beach experience in the Los Angeles area. Playa del Rey has a variety of restaurants and cafes, offering diverse culinary experiences. Some establishments feature outdoor seating with ocean views. Dockweiler State Beach, the race venue, offers a beachfront RV park, fire pits for bonfires, and a hang-gliding practice area. It's a great spot for a beach picnic.

Read the full description on RunSignup