Mission Bay Triathlon

San Diego, CA, USA · Sprint, Olympic, supersprint · Outdoor · Organized by Koz Events

2025 is the 37th annual XTERRA Wetsuits Mission Bay Triathlon benefitting Life Sports Foundation. San Diego is the Birthplace of 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. Every year competitors from around the country and from around the world, come to Mission Bay to celebrate the birthplace triathlon. We invite you to become part of this wonderful legacy event and become part of history! The event offers races for adults and kids, from complete beginners to seasoned Professionals. There are many differ…