California Triathlon Calendar 2026-2027

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Monthly updates for California

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Explore the best triathlons in California for 2026-2027! Our updated list features 68 exciting races across the region. Find your next race in California below and join the running community at these great events!

June 2026
Experience a sanctioned multisport event at Rancho Seco Park featuring Olympic distance triathlon and aquabike races. Join a competitive series in Herald with options for individual athletes, relay teams, and super sprint participants.
Experience a classic California multisport event at Rancho Seco Park featuring a lake swim, road bike, and trail run. Join the 43rd season of this historic series with triathlon, duathlon, and relay options for all participants.
A one day multisport event at Castaic Lake on June 20, 2026 offering 18 options across Olympic, Sprint, and Youth Sprint formats. Youth races are open to ages 7 to 17 and are listed as free.
Join the Wolfpack Youth Super Sprint Aquathlon in San Jose for a sanctioned run swim run competition. Open to ages 4 to 17, this youth race is part of the USAT Youth State Series for Northern California.
Experience a scenic multisport event through Sonoma County featuring a Russian River swim and a run through the La Crema Estate vineyards. Choose from seven race options including triathlon, swimbike, and standalone run or swim events.
Experience San Diego history by swimming the bay, biking Point Loma, and running along the scenic waterfront. This long standing event offers international and sprint distances for triathletes, duathletes, and runners alike.
July 2026
Coveathlon is a summer evening race series at Newport Dunes, featuring swim and run distances. Participants can tackle a 1K swim, a 5K or 10K run, or combine them. The series includes a team and individual points competition.
Experience the TRI for Real Triathlon at Rancho Seco Park featuring Olympic distance, Aquabike, and Super Sprint races. Join individual or relay categories in this USA Triathlon sanctioned series in Herald California.
Experience the 43rd year of the TRI for FUN series at Rancho Seco Park. Choose between triathlon and duathlon formats featuring a lake swim, road bike course, and dirt trail run in Herald.
Experience a multisport event in Newport Beach featuring swimming and running races. Choose from 5K and 10K runs or combined swim and run events near the bay with professional chip timing and athlete awards.
Experience a diverse ocean sports celebration at the San Clemente Pier featuring beach runs, swims, and lifeguard competitions. Pay one fee to access multiple events and receive a commemorative race kit.
Experience a unique multisport event in Sacramento featuring a run, bike, and paddle along the American River Parkway. Sign up as an individual or join a relay team for this sixth annual summer tradition.
Experience a Pacific Ocean swim and beachfront bike ride at the Long Beach Legacy Triathlon. Choose from SuperSprint, Sprint, or Olympic distances with individual, relay, and paratriathlon options available.
Experience an alternating multi-sport race through Folsom Lake State Recreation Area. Compete as an individual or in a pair across various swim and run segments while navigating the scenic terrain of Black Miners Bar.
Experience a coastal multi sport event in Northern California featuring a pool swim, cycling, and running. With distances for adults and children, this chip timed race offers individual and relay categories near the scenic Redwoods.
This triathlon takes place at scenic Goleta Beach Park, featuring a calm ocean swim in a protected cove. The bike and run segments use dedicated, spectator-friendly paths. Options include a sprint triathlon, a parent-child version, and a sprint aquab..
Overview The event takes place on July 26, 2026, in Solana Beach, California, based at Fletcher Cove. It offers several multi-sport and running options. Registration proceeds benefit the Life Sports Foundation, which supports foster children and at-r..
Experience a variety of swimming and running events at the Coveathlon in Newport Beach. Choose from swim run combinations, relays, or individual races along the bay with chip timing and professional photos included.
August 2026
Experience Newport Beach with a 1K swim and 5K run at Coveathlon 4. Choose between combined events, individual races, or a relay and enjoy post race celebrations at Newport Dunes.
Experience a USAT sanctioned triathlon at Rancho Seco Park featuring Olympic distances, Aquabike, and Super Sprint options. Join individual or relay categories and compete for series championship awards in beautiful Herald.