California
California Triathlon Calendar 2026-2027
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!
July 2026
A lake swim, road bike course and dirt trail run at Rancho Seco Park form the TRI for FUN and DU for FUN events, with finisher items, refreshments and age group awards; commemorative shirts are available before July 7th.
Coveathlon #2 in Newport Beach offers swim and run events on July 16, 2026, including 1K swim, 5K and 10K runs, and a combined 1K swim plus 5K run. Entries include race shirts, timing, photos, and awards.
A two day community festival at San Clemente Pier with lifeguard competitions, surf contests, ocean swims, paddling and beach races. One entry fee covers multiple events and includes a SCOF tee, swim cap and competitors kit.
A multi discipline event on the American River Parkway in Rancho Cordova on July 18, 2026. It combines a run, a bike and a paddle with individual and relay categories and awards a finisher medal.
A seaside triathlon in Long Beach on July 19, 2026 offering SuperSprint, Sprint, and Olympic distances with individual and relay options. The event supports fundraising for Children’s Hospital Los Angeles and includes race timing, a medal, and a T-sh..
Folsom Swim Run at Black Miners Bar features short and long courses combining multiple swims and runs. Each participant receives kit items and a post race BBQ, and the long course includes four aid stations with drinks and gels.
A sprint triathlon in Crescent City with a 500 yard pool swim, a 12 mile bike along the Pacific, and a 5 km run by Beach Front Park; includes adult, relay, duathlon, and kids' races with age-specific distances.
Triathlon races at Goleta Beach Park feature calm ocean swims in a protected cove and bike and run courses on dedicated paved paths. Event options include a sprint triathlon, a parent and child race, and an aquabike.
Multi-discipline race day in Solana Beach on July 26, 2026 featuring ocean swim, bike along the Pacific Coast Highway and a coastal 5K. Options include triathlon, duathlon, aquabike, aquathlon and a standalone 5K.
A one-day swim and run event on July 30, 2026 in Newport Beach offering 1K swim, 5K and 10K runs, combined swim-run races, limited Series Passes, race gear, chip timing, and awards after each race.
August 2026
Coveathlon #4 in Newport Beach on 08/06/2026 features swim, run and combined events over 1K, 5K and 10K distances with chip timing, race apparel, photos and awards after each race.
Tri for Real at Rancho Seco Park on August 8, 2026 features Olympic-distance, Aquabike and Super Sprint options with USAT sanctioning for the Olympic-distance series and Aquabike plus age group series championship prizes.
A summer entry level triathlon in Hermosa Beach, California on August 9, 2026, featuring a quarter mile ocean swim, a 10 mile bike and a 3 mile run along the shore. The course runs near Pier Avenue with spectator friendly options.
A multisport event in Santa Cruz on August 9, 2026 featuring international and sprint triathlons, aquabike, aquathlon, duathlon, open swims and a 5 km run, plus relay teams, special category rules and participant awards.
A triathlon and duathlon at Rancho Seco Park featuring a lake swim, road bike course, and dirt trail run, with age-group and overall awards, finisher items, and on-site camping at the venue.
The 12th Annual Courage Triathlon in Lake Almanor on August 15, 2026 offers solo, relay, and virtual options across a 2.8 mile run, 6.4 mile bike, and 3.1 mile rowing leg while supporting Courage Worldwide.
A multisport day in Chula Vista on August 16, 2026 featuring triathlon, duathlon, aquabike, youth races and a Chula Vista 5K. Events use San Diego Bayfront waterways with a single ONE PARK venue and an on site beer and margarita garden.
A sprint triathlon at Granite Beach, Folsom Lake SRA on August 22, 2026 featuring a 3/4 mile swim, an 11 mile two lap bike course, and a 5 mile trail run, with club and age group awards.
Millerton Madness Triathlon at Meadow Campground in Friant on 08/23/2026 combines a USAT sanctioned Super Sprint triathlon, a 5k road run, relay teams, and virtual triathlon and run options.