HALF IRON Venice-Jesolo Italy features a 1900-meter open water swim in the Adriatic Sea, located at the beach by the iconic lighthouse marking the Jesolo-Cavallino border. The swim follows a single counterclockwise loop, suitable for beginners and experienced swimmers, with an average water temperature of 63°F (17°C). The 90 km bike course is a fast, flat single loop with long straight roads ideal for personal bests. Athletes will bike through the Venetian lagoon, past Cavallino, Cortellazzo, ...