Participants will swim 1.2 miles (1.9 km), in the protected waters of the Bahía de las Ánimas. Spectators will have a great view of the entire Swim Course from the Convention Center and many of the surrounding boardwalks and marinas. Water temperatures are expected to be around 80º Fahrenheit (28º Celsius). The transition between the swim and bike will take place in the Camellón de los Mártires Square in front of Cartagena's iconic clock tower, La Torre del Reloj. Athletes will then ride a 56-mile (90 km) bike ride from the Convention Center and the Torre del Reloj to the Via al Mar, which is the highway that connects Cartagena with the city of Barranquilla. Along the course, the athletes will enjoy views of many beaches and mangroves. This flat and fast out and back course will see high average speeds. The two-loop run course will take athletes on a 13.1 mile (21km) journey through the Old City of Cartagena. Participants will make their way through the west part of the city with breathtaking views of the Caribbean Sea which borders the historic walled city. Upon entering the walled city, athletes will step back in time to the colonial years and pass through the colorful and historical architecture that makes Cartagena a UNESCO World Heritage Site. Athletes will finish their IRONMAN 70.3 journey in front of the Cartagena landmark La Torre del Reloj.