California
California Triathlon Calendar 2025-2026
Explore the best triathlons in California for 2025-2026! Our updated list features 31 exciting races across the region. Find your next race in California below and join the running community at these great events!
May 2025
The 2025 Cal Tri Ventura is a multi-sport event taking place in Ventura, California, featuring a variety of races suitable for athletes of all levels. Participants can choose from 12 event options, in..
The Spring Sprint at Uvas is a vibrant multi-sport event taking place at Uvas Reservoir in Morgan Hill, California. Participants can choose from various events, including Individual, Relay, AquaBike,..
The 2025 Wolfpack Regional Modern Pentathlon is an exciting all-day event scheduled for May 18, 2025, in San Mateo, California. Participants will have the opportunity to compete in all five discipline..
The Youth Triathlon Race Simulation is an engaging event designed for participants aged 6 to 14, taking place at the Columbia Swim Center in Sunnyvale, CA. This event focuses on short distances for sw..
June 2025
The 2025 Escape from Alcatraz Triathlon, organized by Semper Fi & America's Fund, is set to take place in San Francisco on June 1, 2025. This iconic event, now in its 45th year, challenges participant..
The Cupertino Splash and Dash is an exciting aquathon event scheduled for June 5, 2025, in Cupertino, California. Participants can engage in a 1.5 km swim followed by a 5 km run, making it a perfect o..
The Coolest Ride and Tie and Equathon, scheduled for June 7, 2025, in Cool, California, offers participants a unique endurance experience through scenic trails at Auburn State Recreational Area. The e..
The VI TRI, taking place in Visalia, CA, is a vibrant triathlon event that caters to both novice and experienced athletes. This USAT sanctioned event features a Super Sprint Triathlon, Triathlon Relay..
The 2025 Cal Tri Castaic Lake event, taking place at Castaic Lake in California, features a variety of triathlon and running events suitable for all ages and skill levels. Participants can choose from..
The Black Butte Triathlon is set to take place on June 14, 2025, in Corning, California. This exciting event features three race options: an Olympic Distance Triathlon, a Sprint Distance Triathlon, an..
The 2025 La Crema Cal Tri Sonoma is a multi-sport event taking place in Guerneville, California, featuring a variety of races including Sprint and Olympic triathlons, SwimBike events, and a 5K run. Th..
The 2024 Wolfpack Super Sprint Aquathlon Race, sanctioned by USA Triathlon, is set to take place in San Jose, CA. This exciting event features a series of youth aquathlon races for various age groups,..
XTERRA Tahoe City is an outdoor sports event held in Tahoe City, United States, as part of the XTERRA World Tour. It features various off-road triathlon races, including full-distance, sprint, and dua..
July 2025
The Great American Triathlon, held annually in Rancho Cordova, California, is a premier summertime outdoor sporting event set along the scenic American River Parkway. Now in its 5th year, the triathlo..
August 2025
The Cupertino Splash and Dash is an exciting aquathon event featuring a 1.5 km swim followed by a 5 km run, set in the scenic Stevens Creek Reservoir and surrounding park trails. This community-focuse..
Tri Santa Cruz is a vibrant and scenic triathlon event held in Santa Cruz, California, featuring a variety of races including sprint and international (Olympic) distances, aquabike, duathlon, and aqua..
The Millerton Madness Triathlon, scheduled for August 24, 2025, in Friant, California, features a variety of events including a Super Sprint Triathlon, a 5k run, and a Relay Madness option. This USAT-..
September 2025
The IRONMAN 70.3 Santa Cruz is a premier triathlon event set against the stunning backdrop of California's coastline. Athletes will experience a 1.2-mile ocean swim, a challenging 56-mile bike ride th..
The Shaver Lake Mile High Triathlon is a premier multisport event taking place in Shaver Lake, California. Scheduled for September 14, 2025, it features a variety of competitions including Sprint and..
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 Sprint and Super..
