2025 Cal Tri LA, returning to Playa del Rey on Sunday, October 19, 2025, is shaping up to be one of the most geographically diverse triathlon events in California this fall. With 623 athletes registered, representing 20 U.S. states and 6 countries.
Competitors from Canada, Colombia, Germany, Japan, Mexico, and the United Kingdom join athletes from across the United States. Participants range in age from 8 to 83.
Athletica Swim & Coaching Clinic
172 athletes registered for the Athletica Swim & Coaching Clinic on Saturday — a no-cost, pre-race program designed to help participants fine-tune open water techniques and race-day strategy.
Event Overview
- Date: Sunday, October 19, 2025
- Location: Dockweiler State Beach, Los Angeles, CA
- Distances: Olympic & Sprint triathlon, RunBikeRun, SwimBike, SwimRun, swim & run events
- Start Time: 7:00 AM
The Cal Tri LA course features an ocean swim, a flat and fast bike course along Vista Del Mar, and a scenic run on the beachfront path.
Cal Tri Events Athlete-Friendly Features
- Free Deferrals, Transfers, and Event Changes as late as the day before the race
- All-In Pricing with no hidden fees
- Youth & Community Programs for ages 7+
- 25:1 athlete-to-lifeguard ratio