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 62 exciting races across the region. Find your next race in California below and join the running community at these great events!
September 2026
A reverse triathlon at Civic Center Park combining a 5K run, a 12 mile bike and a 150 yard pool swim, plus a kids triathlon and a stand-alone 5K. Events are chip timed and include shirts, medals, and awards.
Tri to Inspire is a short distance triathlon in Santa Rosa on 09/27/2026 featuring pool swims followed by bike and run courses. It offers sprint, mini sprint, relay and family divisions, with proceeds supporting the Inspiration Sports Foundation.
October 2026
An annual multisport event at Mission Bay and Fiesta Island, the 2026 XTERRA Wetsuits Mission Bay Triathlon hosts USA Triathlon State Championships and offers triathlon, duathlon, aquabike, aquathlon, youth races, and a 5K, produced for Life Sports F..
Mudskipper US SoCal Silverwood takes place in Hesperia California on October 11 2026 and features open water swim and swimrun races presented by Canaqua Sports. It is the first Mudskipper event on the US west coast.
A full distance triathlon in Sacramento featuring a downriver swim, a flat bike through farm and wine country, and a marathon finish at the California State Capitol. The 2026 edition is listed as sold out.
A trail Run, Bike, Run at Lake Hodges near San Diego combining a 10k run, a 22k bike and a 5k run. Entries are available for individuals or teams; the event is cupless so participants should bring a personal hydration vessel.
Lake Evans Triathlon on 10/18/2026 in Bakersfield features multiple on-site and virtual race formats from 5K runs to longer multisport courses, with finisher medals, event shirts, a meal, music and a team competition.
Cal Tri LA at Dockweiler State Beach offers 18 multisport options across Olympic, sprint, and youth sprint distances, with swims, bikes, runs, and vendor opportunities along the Playa del Rey coast.
A community event in Valencia on October 25, 2026 featuring running, biking, and a virtual option, with distances from a 1K kids run to a 62 mile ride. Expo, costume awards, aid stations, and route support are provided.
November 2026
A coastal beach triathlon in Morro Bay offering Olympic and Sprint distances, with a protected harbor swim or kayak/SUP option, coastal bike on Highway 1, and a beach and boardwalk finish by Morro Rock.
A multisport race day at Newport Dunes offering twelve sprint and Olympic events, held at the same site since 1978 and serving as the Cal Tri Events National Championship.
Two triathlon options in Long Beach on E Ocean Blvd, featuring open-water swims, out-and-back bike courses open to traffic, and stocked aid stations; registration includes timing, a shirt, medal, and post race food.
December 2026
A December half-distance triathlon in La Quinta, California featuring a swim in Lake Cahuilla, a flat bike route with a lap on Thermal Raceway, and a run through Silver Rock Golf Course with palm trees and mountain views.
A long running reverse sprint pool triathlon in Hemet, California with a 150 meter pool finish and a separate 5K on a flat, fast course. Awards follow the races and finishers receive a unique Tinsel medal.
January 2027
A New Year event at Granite Beach featuring a 2 mile run 5 mile bike 2 mile run duathlon and a 5K trail run with lake views. Awards include overall champions and age group prizes.
An off-road run, bike, run event at Granite Beach, Folsom Lake SRA on January 23, 2027 featuring scenic running trails and a mostly single track mountain bike course; entries include a TBF beanie and post race food.
March 2027
Experience an early season triathlon in Long Beach featuring a calm bay swim and scenic oceanfront paths. Choose from a 70.4 mile long course or a sprint distance with individual and relay options.
A USAT sanctioned triathlon in Exeter, CA on March 13, 2027 offering short and long triathlon distances plus 5K and a 10K with two climbs. The event includes race photos, finisher items and age group awards.
April 2027
A lakeside triathlon at Granite Beach with swim, bike on closed roads, and shoreline runs; wetsuits are recommended and race entries include gear and a post-race meal.
Cal Tri Lake Perris is a multi-discipline race day at Lake Perris State Recreation Area offering 18 event options across Olympic, Sprint and Youth Sprint distances, including swim, bike and run formats and separate youth events.