Half Distance Triathlon Cartagena – Race Overview SWIM – 1.2 Miles (1.9 km) in the Caribbean Sea The swim course takes place in the Bahía de las Ánimas, offering calm and warm waters around 80°F (28°C). Spectators can enjoy excellent views from the Cartagena Convention Center, boardwalks, and historic walls. BIKE – 56 Miles (90 km) Along the Scenic ‘Vía al Mar’ Cyclists will race on a fast, mostly flat course from Cartagena to Barranquilla, passing mangroves, beaches, and coastal landscapes. ...