IRONMAN 70.3 Cairns is a thrilling triathlon event held in the breathtaking city of Cairns, Queensland. Known for its stunning tropical landscapes and vibrant marine life. The swim segment takes place in the pristine waters of the Coral Sea, offering a truly exhilarating experience. The course is a 1.2-mile (1.9 km) point-to-point swim, starting from Palm Cove and concluding at the Cairns Esplanade. Swimmers can expect calm waters and moderate temperatures, making it an ideal setting for an ...