The Full Distance Triathlon in Copenhagen, Denmark, offers a scenic and spectator-friendly course. Swim: Athletes start with a 3.8 km (2.4-mile) swim in the calm waters of Amager Strandpark’s artificial lagoon, with temperatures averaging 65°F (18°C). The area is packed with spectators along the shore and bridge, creating a vibrant atmosphere. Bike: The 180 km (112-mile) bike course, with two loops, takes participants from Copenhagen through North Zealand, mixing urban, coastal, and forested ...