Triathlon at the 2018 South American Games

There were 3 triathlon events at the 2018 South American Games in Cochabamba, Bolivia. One each for men and women and a mixed relay event. The events were held between May 29 and 30 at the Laguna La Angostura. This event was a qualification event for the 2019 Pan American Games in Lima, Peru, where the top mixed relay teams qualified.