Triathlon/Duathlon Events

The Huntington Lake Triathlon offers an exhilarating race set in one of California’s most scenic locations. Swim in the crystal-clear waters of Huntington Lake, tackle a challenging bike ride through stunning mountain roads, and finish with a scenic run along the lake's shores. This triathlon is perfect for athletes of...

Half Triathlon | 70.3 | Olympic Triathlon | Sprint Triathlon | Kids Triathlon | Aquabike Looking for one of the best triathlons in California? The Donner Lake Triathlon offers a premier race experience set against the stunning backdrop of the Sierra Nevada. This event features multiple race options including Kids,...

Tri Santa Cruz: Sprint and International Triathlons Tri Santa Cruz Date: August 10, 2025 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...

SUNDAY, SEPTEMBER 21, 2025 The Pacific Coast Triathlon & Duathlon is scheduled for September 21, 2025, at Crystal Cove State Beach in Laguna Beach, California. Octriseries This event offers both Olympic and Sprint distances, accommodating athletes of all levels. Event Details: Date: September 21, 2025 Location: Crystal Cove State Beach,...

The Pasadena Triathlon, Duathlon and 5k returns for the 20th year at the Rose Bowl! This family friendly event offers something for everyone, including a reverse triathlon, kids triathlon, and a 5k fun run.   This event is great for new triathletes (lots of first timers), intermediate athletes (looking to get faster)...