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!
April 2026
The 2026 Cal Tri Lake Perris event, held at Lake Perris State Recreation Area in Perris, California, offers a variety of triathlon and multisport races suitable for all ages and skill levels. Particip..
May 2026
The 2026 Cal Tri Ventura, held at Harbor Cove Beach in Ventura, California, offers a variety of multisport events including Sprint and Olympic distance triathlons, RunBikeRun, SwimBike, SwimRun, and s..
June 2026
Cal Tri Castaic Lake is a multisport festival held at Castaic Lagoon in northern Los Angeles County, California. The event offers 18 options: 6 Olympic-distance events, 6 sprint-distance events, and 6..
XTERRA Tahoe City is an off-road triathlon event held in the scenic Tahoe City, United States, as part of the XTERRA World Tour. The race features multiple distances, including a full-distance triathl..
July 2026
The 2025 San Clemente Ocean Festival in San Clemente, California is a family-friendly sporting event billed as “The Greatest Show on Surf.” The athletic lineup features the Dory boat races, a 5K beach..
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