Free clinics, flexible race options, volunteer and race, and a supportive nationwide community built for every athlete.
Well-being begins with Optimism.
Cal Tri Events is proud to partner with Optimism as our 2026 Title Sponsor. Together, we believe that well-being isn't a destination - it's a practice. Swimming, biking, and running are how we build it. Swim. Bike. Run. Race for well-being.
Visit Optimism →Newport Dunes Waterfront Resort, Newport Beach, CA
The world's longest-running triathlon from the same location — and the 2026 season finale, presented by Optimism.
Oro Valley, AZ
The newest Cal Tri Events race. Desert skies, mountain views, and spring temperatures in one of the Southwest's premier outdoor destinations.
Walter E. Long Metropolitan Park, Austin, TX
Push it to the limit in the heart of Texas at Walter E. Long Metropolitan Park. Registration goes on sale November 5.
Lake Perris, CA
Easy to reach from LA, San Diego, and Orange County — a convenient day trip or weekend racecation.
We're a 501(c)(3) nonprofit that measures success by the number of athletes we empower, not the margins we protect.
No hidden fees, no overpriced insurance schemes. One transparent price includes everything. Early registration starts at just $85.
Free race transfers, deferrals, and participant transfers - as late as the day before the race. Life happens. We've got you.
Free swim and transition clinics the day before every race. Skills camps in 7 markets. Expert coaching - at no extra cost to registered athletes.
Two-day skills camps in 7 markets help athletes build confidence with expert coaching and practical race-day preparation - at no extra cost.
Volunteer at a Cal Tri race and earn a free entry to any future race in the series.
The Foundation for Dental Laboratory Technology partners with Cal Tri Events and RunSignup to turn Race for the Future at 2026 Cal Tri DFW into fundraising for dental lab education.
Cal Tri Events and Optimism are selecting ten athletes for the inaugural Optimism Athlete Team at Optimism Cal Tri Newport Dunes, November 1, 2026. Applications close September 15.
U.S. IRONMAN 70.3 finishers are up 8.0% year over year to 31,553 in 2026, with repeat events up 7.3% and new races averaging fewer finishers than established events.
Partner with Cal Tri Events and help make triathlon accessible for everyone.
Become a Partner
