★ 2026 TITLE SPONSOR ★ Optimism Well-being begins with Optimism Visit Optimism → Race Preview: 2026 Cal Tri Castaic Lake by Rufus Thomas | June 19, 2026 | News | 0 Comments Read More Tahitian Participation at Lake Perris by Rufus Thomas | June 16, 2026 | News | 0 Comments Read More First-Timers Drive 67% Growth at 2026 Cal Tri DC by Rufus Thomas | June 10, 2026 | News | 0 Comments Read More Optimism Announces Three-Year Sponsorship of Cal Tri Events by Thom Richmond | May 27, 2026 | News | 0 Comments Read More 2026 Cal Tri Austin Race Recap by Thom Richmond | April 4, 2026 | News | 0 Comments Read More 2026 Cal Tri Lake Havasu Race Recap by Kim Degen | March 20, 2026 | News | 0 Comments Read More 2026 Cal Tri Events Water Temps & Weather Forecast by Kim Degen | March 8, 2026 | News | 0 Comments Read More 2026 Cal Tri Events Schedule Projects 10,000+ Athlete Registrations With an Expanded Footprint in All Four U.S. Time Zones by Thom Richmond | February 1, 2026 | News | 0 Comments Read More 2025 NCAA Triathlon Update: One Step Forward & Two Steps Back by Thom Richmond | January 1, 2026 | News | 0 Comments Read More Level Up Your Tri Skills — Join Cal Tri Skills Camp! by Kim Degen | December 25, 2025 | News | 0 Comments Read More The Difference Choose a Race Kids 7-17 Race Free Improve At A Clinic Volunteer & Race Free Gear Up for Race Day
