San Diego - Birthplace of the Triathlon

FREE SD Triathlon Series Training Clinics

How to do a Triathlon, Duathlon, or AquaBike and FAQ's about our Races

SD TRI SERIES POINTS COMPETITION -Quickly becoming the "don't miss" series of the season, KOZ Events will once again host the San Diego Triathlon Series Points Competition. Racers placing in the top ten in their division will earn points toward the Overall End of the Year awards given out at the Awards Gala in December.

The San Diego Triathlon Series offers 6 great Triathlons for 2019. Join our SD Tri Series Membership for $10 off each Tri Series event! This year we are Celebrating 37 Years of KOZ Events Triathlons.

Triathlons are Being Held by Life Sports Foundation with KOZ Events All Triathlons Except SDIT raise support for CAF - Operation Rebound

Spring Sprint

May 4-5, 2019

The Spring Sprint Triathlon & Duathlon is the second multi sport sprint event of the season in San Diego. With a calm bay swim and a flat bike and run course, the Spring Sprint is the perfect race to kick off your season. Whether you are an experienced triathlete or duathlete preparing for the season, or a first timer looking for a fun introductory race in which to participate, the Spring Sprint Triathlon and Duathlon at Mission Bay is for you!

Race Info›


June 23, 2019

We are excited to welcome you to the 37th Annual San Diego International Triathlon benefiting Father Joe's Villages. This race is one of the longest standing triathlons in the country and hopefully a favorite. There are two courses to choose from, an international course and a sprint course. Whichever you choose, you’re guaranteed a great ride. Both races take place at Spanish Landing Park located on Harbor Drive across from the San Diego International Airport.

Race Info›


Solana Beach

July 28, 2019

This fantastic event is made even more special by its idyllic location…Fletcher Cove at Solana Beach. Iconic Southern California at its best. The surf-entry ocean swim is supported by lifeguards and swim buddies. The bike and run courses cruise down the world famous Pacific Coast Highway. Finally, a tunnel of high-fives awaits you at the finish line - a gauntlet of excitement. This is a sprint triathlon/duathlon that will be remembered forever. 

Race Info


Rock the Bay

August 11, 2019

The Chula Vista Challenge (CVC) in its 8th year and has become one of San Diego's premier endurance events produced by Koz Events and and our title sponsor Pulse Endurance Sports. This event offers 10 spectator friendly races to choose from including Half Iron, International, Sprint, & Youth Triathlons, Duathlons and Aquabike distances.

Race Info›

Sept 8, 2019

KOZ Events welcomes back the original location and course that TriRock San Diego established and operated for the last  years. Now at the Rock the Bay San Diego Triathlon, you will enjoy an epic swim by the 5th Avenue Landing, a bike ride along Harbor Drive and a run along the bay in beautiful downtown San Diego.

Race Info›

Mission Bay

Sept. 29, 2019

Join us at the birthplace of the sport for the XTERRA Wetsuits Mission Bay Triathlon! In 1974, the first Mission Bay Triathlon was as a run-bike-swim-run event on Fiesta Island by the San Diego Track Club. This year, 1600 competitors from around the country will return to Mission Bay to celebrate the triathlon.  This triathlon offers both a sprint and an international distance, along with our youth triathlon distances. 

Race Info›

2019 Triple Crown of Triathlon Award

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Triple Crown of Triathlon

Compete in the three Triple Crown Events

#1 XTERRA WETSUITS Spring Sprint Triathlon - May 5th

#2 Chula Vista Challenge - August 11th

#3 XTERRA WETSUITS Mission Bay Triathlon - September 29th

Complete any distance in each event in the same calendar year and receive the coveted Triple Crown Award. The Three medals from each event come together to form Triathlon art! Award plaques are given to Triple Crown winners at the Xterra Wetsuits Mission Bay Triathlon 

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