Triathlon/Duathlon Events

Looking for a scenic race challenge? Join the Huntington Lake Triathlon with 5K & 10K races in the Sierra Nevada mountains.

Hermosa Beach Triathlon • August 9, 2026 • Hermosa Beach The Hermosa Beach Triathlon is a scenic, beginner-friendly sprint event set against the iconic Southern California coastline, perfect for triathletes of all experience levels. The course features a thrilling ¼-mile ocean swim in the Pacific, followed by a 10-mile bike...

Ready for an unforgettable race? Join Tri Santa Cruz 2025 on August 10 for a scenic, flat-course triathlon along the iconic California coast!

Tri Santa Cruz: Sprint and International Triathlons Tri Santa Cruz Date: August 9, 2026 Location: 119 Center Street, Santa Cruz, CA 95060 Registration & Details: Official Website Participants can enjoy a sheltered swim, followed by a flat bike and run course along the scenic coastline, making it ideal for both...

Looking for an epic race? Discover the June Lake Triathlon California’s stunning mountain triathlon set in the Eastern Sierra.

Looking for the ultimate Super Sprint Triathlon? Join the Millerton Madness Triathlon on August 24, 2025, for an exciting race!

Join the ultimate adventure at the Lake Tahoe Triathlon, where you will swim, bike, and run amidst breathtaking scenery. Register now.

Shaver Lake Mile High Triathlon • Sun September 13, 2026  Shaver Lake Mile High Triathlon Description — What will you find at the "Mile High" Triathlon? Bottle Opener Finisher's Medal Event T-Shirt Prizes and Giveaways Free Race Photos Tri-Tip sandwich lunch and bottled beverages Rosa Brothers chocolate milk Music Largest...

The San Diego Triathlon Challenge Weekend is CAF’s flagship inclusive sports and fundraising weekend, bringing together athletes of all abilities for triathlon events and community participation opportunities. The weekend features multiple ways to participate—including the signature triathlon (1-mile swim / 30-mile bike / 8-mile run), a 5K Walk + Roll,...