California
California Triathlon Calendar 2025-2026
Explore the best triathlons in California for 2025-2026! Our updated list features 25 exciting races across the region. Find your next race in California below and join the running community at these great events!
December 2025
The 39th Annual Tinsel Triathlon is a celebrated endurance event taking place in Hemet, California. This reverse sprint pool triathlon is one of the oldest and largest of its kind on the West Coast, c..
Rudolph's Aquabike is an exciting end-of-season Super Sprint event taking place in Visalia, California. Participants can choose between an individual Aquabike or an Aquabike Relay, featuring a 400-yar..
March 2026
The Pasadena Triathlon & Angel 5k is a family-friendly sporting event held at the iconic Rose Bowl Stadium in Pasadena, California. Celebrating its 20th year in 2026, the event features a variety of r..
The Rocky Hill Triathlon, held in Exeter, California, is a challenging and scenic event showcasing the Sierra Nevada foothills. Now in its 11th year, it offers multiple race options including Short Co..
IRONMAN 70.3 Oceanside is a premier triathlon event held in Oceanside, California, known for its stunning coastal setting and laid-back beach atmosphere. The race features a 1.2-mile swim in the shelt..
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