California
California Triathlon Calendar 2025-2026
Explore the best triathlons in California for 2025-2026! Our updated list features 26 exciting races across the region. Find your next race in California below and join the running community at these great events!
September 2025
The Shaver Lake Mile High Triathlon, held at Camp Edison in Shaver Lake, California, is Fresno County's longest-running multisport event. Set in crisp mountain air at altitude, it offers a challenging..
Albany Community Triathlon is a family‑friendly, beginner‑oriented Super Sprint held at the Albany Aquatic Center and Memorial Park (1325 Portland Ave, Albany, CA). The main course includes a 400‑mete..
The 2025 DJFE Triathlon Race Series takes place in Santa Rosa, California, offering a welcoming and non-competitive environment ideal for all skill levels. The event features multiple race options inc..
October 2025
Mermaid Triathlon & Duathlon Capitola 2025 takes place at Capitola Beach on California’s coast. It offers multiple race options: Sprint Triathlon (600m swim, 10.5 mile bike, 3.1 mile run), Sprint..
The Lake Evans Triathlon, held in Bakersfield, California, offers a variety of race options including Super Sprint, Sprint, and Olympic distances, as well as 5k and 10k runs. The event features a flat..
Cal Tri LA 2025 runs at Dockweiler State Beach, Parking Lot 2, Playa Del Rey, CA. The event offers a broad menu of formats, including Olympic-distance triathlons and a variety of sprint options, plus..
IRONMAN California takes place in Sacramento, California, offering a full-distance triathlon on a fast, flat course. Athletes swim 2.4 miles downriver, bike 112 miles through farmland and wine country..
The Lake Hodges Off-Road Duathlon, held at the Piedras Pintadas Trailhead in San Diego, California, is a challenging off-road run-bike-run event covering approximately 23 miles. Participants start wit..
Finish The Ride and Finish The Run Santa Clarita is a multi-event athletic festival in Valencia, California. The lineup includes a 1K Kids and Puppy Run, 5K Run/Walk, 10K Run/Walk, a 12‑mile Family Ri..
November 2025
Cal Tri Newport Dunes, hosted at the Newport Dunes Waterfront Resort & Marina in Newport Beach, California, is the world’s longest-running triathlon at the same location, dating back to 1978 as th..
The Fall Classic Olympic Triathlon takes place in Long Beach, California, featuring an Olympic-distance course with a 1.5k swim, 40k bike, and 10k run. The event is held at 5415 E Ocean Blvd, utilizin..
December 2025
The 39th Annual Tinsel Triathlon, held in Hemet, California, is a well-established reverse sprint pool triathlon ideal for triathletes of all levels. This December event features a 5K run on a scenic,..
March 2026
Pasadena Triathlon & Angel 5k takes place at the Rose Bowl Stadium in Pasadena, California. In its 20th year, the family-friendly event offers multiple options: a traditional triathlon, a duathlon..
Located on the Long Beach waterfront at 5400 E Ocean Blvd, California, the Bayshore 70.4 and Sprint Triathlon offers two main races plus relay options. The long course 70.4 features a 2,200-yard swim,..
Short Course — 400 yd swim; 12.5 mi bike; 3.1 mi run.
Long Course — 800 yd swim; 24.8 mi bike; 6.2 mi run.
10k — out-and-back over Rocky Hill; finish inside high school stadium.
5k — out-and-back to..
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