Ultimate Guide to the Full Distance Triathlon in Cervia, Italy – Emilia-Romagna. Swim Course – Adriatic Sea Adventure Start your journey with a 3.8 km (2.4-mile) single-loop swim in the pristine waters of the Adriatic Sea. The course begins at Cervia’s central beach, taking you along the scenic shoreline before heading back to transition. Average Water Temperature: 72°F (22°C). Bike Course – Explore Romagna’s Countryside The 180 km (112-mile) two-loop bike course begins at Cervia’s ...