2026 XTERRA WETSUITS Mission Bay Triathlon & San Diego 5K

The XTERRA Wetsuits Mission Bay Triathlon and San Diego 5K is a San Diego race centered on Mission Bay, featuring triathlon races and a 5K. The event benefits the Life Sports Foundation and connects to triathlon's early history. The original Mission Bay event was a run-bike-swim-run race held on Fiesta Island. Organizers consider Mission Bay the birthplace of the sport, giving the series a historical depth beyond a standard local triathlon weekend.