Full Distance Triathlon Calella-Barcelona - Experience one of Europe’s fastest triathlons in Calella, Spain, along the stunning Mediterranean coast. Perfect for personal bests, this end-of-season favorite features a warm sea swim, a fast bike course, and a flat marathon run. Swim: 3.8 km (2.4 miles) in the Mediterranean (72°F/22°C) starting and finishing on Calella Beach. Bike: 180.2 km (112 miles) on a two-loop coastal course with 750 meters of elevation gain, combining speed and ...