Challenge Roth is the most iconic triathlon event in the world. More than 5.000 triathletes are facing the challenge of 3.8k swimming, a fast and beautiful 180k bike course and a marathon full of spectators. Solar hill is not only the stuff dreams are made of, but it's famous world wide. 300.000 fans will be cheering for each and everyone. From professionals to age-groupers to relay teams. The "Home of Triathlon" guarantees goosebumps!