Triathlon/Duathlon Events

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)...

Spring Fling Duathlon Event Name: Spring Fling Duathlon • Date: Sunday, March 22, 2026 Location: Woodward Park, Fresno, CA Event Type: Duathlon (Run/Bike/Run)Host: Sierra Cascades Multisport Productions Description: A spring duathlon at Woodward Park featuring a run-bike-run format. A great early-season multisport race for athletes looking to kick off the year...

VI TRI • Sun May 23, 2026 VI TRI Description — Vi-Tri (Visalia Triathlon) is returning to El Diamante High School in Visalia. Come out and have some fun! This USAT Sanctioned Event is a great local triathlon, perfect for the 1st timer and veteran athlete. Super Sprint Triathlon: 400...

Looking for an exciting race for your child? The Menlo Park Kids Triathlon 2025 is happening on June 1 an unforgettable experience!

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!

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

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,...