California
California Triathlon Calendar 2025-2026
Explore the best triathlons in California for 2025-2026! Our updated list features 34 exciting races across the region. Find your next race in California below and join the running community at these great events!
July 2025
The Coveathlon #3 is a multi-event race held in Newport Beach, California, featuring a combination of swimming and running. Participants can choose from events including a 1K swim, a 5K run, a combine..
August 2025
The Dana Point Adventure Race, held in Dana Point, California, is a multi-discipline event featuring kayak, trekking, and biking segments. Participants can choose from three race formats: a traditiona..
The Cupertino Splash and Dash is a community-focused aquathon held in Cupertino, California, featuring a 1.5 km (1 mile) swim in Stevens Creek Reservoir followed by a 5 km (3.2 mile) run on Stevens Cr..
The Coveathlon #4 is a multi-sport event held in Newport Beach, California, featuring a 1K swim, a 5K run, and relay options combining both. Participants can choose from individual races including the..
The Hermosa Beach Triathlon is a beginner-friendly sprint triathlon held annually along the scenic Hermosa Beach coastline in Southern California. The event features a ¼-mile ocean swim, a 10-mile coa..
Tri Santa Cruz is a vibrant multi-discipline event held in Santa Cruz, California, featuring sprint and international (Olympic) distance triathlons along with aquabike, duathlon, aquathlon, and relay..
The Courage Triathlon, held annually at Lake Almanor Country Club in Westwood, California, is a unique event supporting child survivors of sex trafficking. The 11th edition, scheduled for August 16, 2..
The Santa Barbara Triathlon & Beach Festival, held in Santa Barbara, California, offers a variety of race options including triathlons, aquabike, duathlon, relay teams, and a 5K beach run. Distances r..
The Millerton Madness Triathlon, held in Friant, California at Millerton Lake's Meadow Campground, is a USAT-sanctioned Super Sprint event ideal for beginners or those tuning up for bigger races. The..
The Mount Shasta Tinman Triathlon, held near Mount Shasta, California, is a popular sprint triathlon featuring a 740-yard swim, 16-mile bike ride, and 3.2-mile run. The event takes place at Lake Siski..
The Bear Valley Triathlon, held in scenic Bear Valley, California, offers a fun and fast course set in the beautiful Sierra region. The event features a 600-yard swim in approximately 70+ degree water..
September 2025
IRONMAN 70.3 Santa Cruz is a scenic triathlon event held in Santa Cruz, California, known for its laid-back, beach-town atmosphere. The race features a 1.2-mile swim in the Pacific Ocean around the ic..
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..
The Albany Community Triathlon, held in Albany, California, is a family-friendly, beginner-friendly "Super Sprint" event designed to promote fitness and community spirit. Taking place at the Albany Aq..
The Pacific Coast Triathlon, held in Laguna Beach, California, is a versatile event welcoming athletes of all ages and skill levels. Set against the scenic backdrop of Crystal Cove, the race offers mu..
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
The Mermaid Triathlon & Duathlon Capitola, held at Capitola Beach, California, is California's longest-running women's triathlon, celebrating its 21st year in 2025. The event features multiple race op..
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 is a multisport event held at Dockweiler State Beach in Playa Del Rey, California, known for its relaxed coastal atmosphere. The 2025 race offers a variety of distances including Sprint and..
IRONMAN California is a premier triathlon event held in Sacramento, known for its fast and flat course ideal for achieving personal bests. The race features a downriver 2.4-mile swim, acclaimed as one..
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